{"id":8741,"date":"2026-08-12T15:23:02","date_gmt":"2026-08-12T07:23:02","guid":{"rendered":"https:\/\/www.yantaisensor.com\/?p=8741"},"modified":"2026-08-13T11:52:45","modified_gmt":"2026-08-13T03:52:45","slug":"ghi-vs-dni-vs-dhi-explained","status":"publish","type":"post","link":"https:\/\/www.yantaisensor.com\/vi\/blog\/ghi-vs-dni-vs-dhi-explained","title":{"rendered":"GHI, DNI v\u00e0 DHI trong n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi l\u00e0 g\u00ec?"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Gi\u1edbi thi\u1ec7u<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u592a\u9633\u80fd\u5df2\u6210\u4e3a\u5168\u7403\u5411\u53ef\u518d\u751f\u80fd\u6e90\u8f6c\u578b\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\uff0c\u4f46\u5149\u4f0f\u7cfb\u7edf\u53ef\u7528\u7684\u592a\u9633\u5149\u6bd4\u8868\u9762\u770b\u8d77\u6765\u66f4\u4e3a\u590d\u6742\u3002\u7406\u89e3GHI\u3001DNI\u4e0eDHI\u7684\u533a\u522b\u5bf9\u4e8e\u638c\u63e1\u592a\u9633\u8f90\u5c04\u7684\u5206\u5e03\u4e0e\u6d4b\u91cf\u65b9\u5f0f\u81f3\u5173\u91cd\u8981\uff0c\u56e0\u4e3a\u8fd9\u4e09\u4e2a\u53c2\u6570\u63cf\u8ff0\u4e86\u5230\u8fbe\u5730\u7403\u8868\u9762\u7684\u592a\u9633\u5149\u7684\u4e0d\u540c\u7ec4\u6210\u90e8\u5206\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u65e5\u5e38\u751f\u6d3b\u4e2d\uff0c\u6211\u4eec\u5c06\u9633\u5149\u89c6\u4e3a\u5355\u4e00\u80fd\u6e90\u6765\u6e90\uff0c\u4f46\u592a\u9633\u8f90\u5c04\u4f1a\u56e0\u592a\u9633\u4f4d\u7f6e\u3001\u5927\u6c14\u6761\u4ef6\u3001\u4e91\u5c42\u8986\u76d6\u548c\u5929\u6c14\u53d8\u5316\u800c\u6301\u7eed\u53d8\u5316\u3002\u5bf9\u4e8e\u592a\u9633\u80fd\u5de5\u7a0b\u5e08\u548c\u5149\u4f0f\u8fd0\u8425\u5546\u800c\u8a00\uff0c\u7406\u89e3\u8fd9\u4e9b\u5dee\u5f02\u6709\u52a9\u4e8e\u6539\u8fdb\u592a\u9633\u80fd\u8d44\u6e90\u8bc4\u4f30\u3001\u80fd\u6e90\u9884\u6d4b\u4ee5\u53ca\u5149\u4f0f\u7cfb\u7edf\u6027\u80fd\u5206\u6790\u7684\u51c6\u786e\u6027\u3002\u5982\u679c\u60a8\u60f3\u4e86\u89e3 <a href=\"https:\/\/www.yantaisensor.com\/vi\/blog\/what-is-a-solar-sensor\/\">\u4ec0\u4e48\u662f\u592a\u9633\u8f90\u5c04\u4f20\u611f\u5668<\/a>, \uff0c\u8bf7\u70b9\u51fb\u8be5\u6587\u7ae0\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" data-id=\"7585\" src=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/solar-powered-weather-station-18.webp\" alt=\"c\u1ea3m bi\u1ebfn b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi kh\u00f4ng d\u00e2y\" class=\"wp-image-7585\" srcset=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/solar-powered-weather-station-18.webp 800w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/solar-powered-weather-station-18-300x225.webp 300w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/solar-powered-weather-station-18-768x576.webp 768w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/solar-powered-weather-station-18-16x12.webp 16w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" data-id=\"7581\" src=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/solar-powered-weather-station-14.webp\" alt=\"tr\u1ea1m kh\u00ed t\u01b0\u1ee3ng ch\u1ea1y b\u1eb1ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi\" class=\"wp-image-7581\" srcset=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/solar-powered-weather-station-14.webp 800w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/solar-powered-weather-station-14-300x225.webp 300w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/solar-powered-weather-station-14-768x576.webp 768w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/solar-powered-weather-station-14-16x12.webp 16w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u592a\u9633\u80fd\u4e2d\u7684GHI\u3001DNI\u4e0eDHI\u5206\u522b\u662f\u4ec0\u4e48\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5230\u8fbe\u5730\u7403\u8868\u9762\u7684\u592a\u9633\u8f90\u7167\u5ea6\u901a\u5e38\u5206\u4e3a\u4e09\u4e2a\u4e3b\u8981\u7ec4\u6210\u90e8\u5206\uff1aGHI\uff08\u6c34\u5e73\u603b\u8f90\u5c04\uff09\u3001DNI\uff08\u76f4\u63a5\u6cd5\u5411\u8f90\u5c04\uff09\u548cDHI\uff08\u6c34\u5e73\u6563\u5c04\u8f90\u5c04\uff09\u3002\u8fd9\u4e9b\u53c2\u6570\u63cf\u8ff0\u4e86\u4e0d\u540c\u5f62\u5f0f\u7684\u592a\u9633\u8f90\u5c04\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u592a\u9633\u80fd\u8d44\u6e90\u8bc4\u4f30\u548c\u5149\u4f0f\u7cfb\u7edf\u5206\u6790\u3002.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>GHI\uff08\u6c34\u5e73\u603b\u8f90\u5c04\uff09\uff1a\u6c34\u5e73\u9762\u4e0a\u63a5\u6536\u5230\u7684\u603b\u592a\u9633\u8f90\u5c04\uff0c\u5305\u62ec\u76f4\u63a5\u8f90\u5c04\u548c\u6563\u5c04\u8f90\u5c04\u3002.<\/li>\n\n\n\n<li>DNI\uff08\u76f4\u63a5\u6cd5\u5411\u8f90\u5c04\uff09\uff1a\u5782\u76f4\u4e8e\u592a\u9633\u5149\u7ebf\u65b9\u5411\u4e0a\u63a5\u6536\u5230\u7684\u76f4\u63a5\u592a\u9633\u8f90\u5c04\u3002.<\/li>\n\n\n\n<li>DHI\uff08\u6c34\u5e73\u6563\u5c04\u8f90\u5c04\uff09\uff1a\u7ecf\u5927\u6c14\u6563\u5c04\u540e\u6c34\u5e73\u9762\u4e0a\u63a5\u6536\u5230\u7684\u592a\u9633\u8f90\u5c04\u3002.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e09\u4e2a\u53c2\u6570\u4e4b\u95f4\u7684\u5173\u7cfb\u4e3a\uff1a <strong>GHI = DNI \u00d7 cos(\u03b8z) + DHI<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4e2d\u03b8z\u8868\u793a\u592a\u9633\u5929\u9876\u89d2\uff0c\u5373\u592a\u9633\u5149\u7ebf\u4e0e\u5782\u76f4\u65b9\u5411\u4e4b\u95f4\u7684\u5939\u89d2\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u516c\u5f0f\u8868\u660e\uff0cGHI\u7531\u4e24\u90e8\u5206\u7ec4\u6210\uff1a\u76f4\u63a5\u592a\u9633\u8f90\u5c04\u548c\u6563\u5c04\u592a\u9633\u8f90\u5c04\u3002\u56e0\u6b64\uff0cGHI\u901a\u5e38\u4f5c\u4e3a\u4e00\u822c\u592a\u9633\u80fd\u8d44\u6e90\u8bc4\u4f30\u7684\u5173\u952e\u6307\u6807\uff0c\u800cDNI\u548cDHI\u5219\u63d0\u4f9b\u5173\u4e8e\u76f4\u63a5\u9633\u5149\u5f3a\u5ea6\u548c\u5927\u6c14\u6563\u5c04\u6761\u4ef6\u7684\u66f4\u8be6\u7ec6\u4fe1\u606f\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" data-id=\"7688\" src=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/weather-monitoring-systems-for-solar-farms.webp\" alt=\"h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t th\u1eddi ti\u1ebft cho c\u00e1c trang tr\u1ea1i n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi\" class=\"wp-image-7688\" srcset=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/weather-monitoring-systems-for-solar-farms.webp 800w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/weather-monitoring-systems-for-solar-farms-300x225.webp 300w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/weather-monitoring-systems-for-solar-farms-768x576.webp 768w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/weather-monitoring-systems-for-solar-farms-16x12.webp 16w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" data-id=\"7781\" src=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/solar-farm-environmental-monitoring-solutions-5.webp\" alt=\"gi\u1ea3i ph\u00e1p gi\u00e1m s\u00e1t m\u00f4i tr\u01b0\u1eddng trang tr\u1ea1i n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi\" class=\"wp-image-7781\" srcset=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/solar-farm-environmental-monitoring-solutions-5.webp 800w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/solar-farm-environmental-monitoring-solutions-5-300x225.webp 300w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/solar-farm-environmental-monitoring-solutions-5-768x576.webp 768w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/solar-farm-environmental-monitoring-solutions-5-16x12.webp 16w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u4ec0\u4e48\u662f\u6c34\u5e73\u603b\u8f90\u5c04\uff08GHI\uff09\uff1f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">GHI\u7684\u5b9a\u4e49<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/pvpmc.sandia.gov\/modeling-guide\/1-weather-design-inputs\/irradiance-insolation\/global-horizontal-irradiance\/\" target=\"_blank\" rel=\"noopener\">C\u01b0\u1eddng \u0111\u1ed9 b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi ngang to\u00e0n c\u1ea7u (GHI)<\/a> \u6307\u6c34\u5e73\u9762\u4e0a\u4ece\u6574\u4e2a\u5929\u7a7a\u63a5\u6536\u5230\u7684\u603b\u592a\u9633\u8f90\u7167\u5ea6\u3002\u5b83\u662f\u7528\u4e8e\u63cf\u8ff0\u7279\u5b9a\u4f4d\u7f6e\u592a\u9633\u8f90\u5c04\u6761\u4ef6\u7684\u91cd\u8981\u6d4b\u91cf\u53c2\u6570\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u592a\u9633\u80fd\u5e94\u7528\u4e2d\uff0c\u6c34\u5e73\u603b\u8f90\u5c04\u6570\u636e\u53ef\u5e2e\u52a9\u5de5\u7a0b\u5e08\u8bc4\u4f30\u592a\u9633\u80fd\u8d44\u6e90\u53ef\u7528\u6027\uff0c\u5e76\u4e86\u89e3\u5230\u8fbe\u5730\u9762\u7684\u592a\u9633\u8f90\u5c04\u91cf\u3002\u6d4b\u91cf\u7684GHI\u503c\u4f1a\u968f\u73af\u5883\u6761\u4ef6\u6301\u7eed\u53d8\u5316\uff0c\u5305\u62ec\u592a\u9633\u4f4d\u7f6e\u3001\u4e91\u5c42\u8986\u76d6\u3001\u5927\u6c14\u9897\u7c92\u7269\u548c\u5b63\u8282\u53d8\u5316\u3002\u56e0\u6b64\uff0c\u51c6\u786e\u4e14\u8fde\u7eed\u7684GHI\u76d1\u6d4b\u5bf9\u4e8e\u83b7\u53d6\u53ef\u9760\u7684\u592a\u9633\u80fd\u8d44\u6e90\u6570\u636e\u81f3\u5173\u91cd\u8981\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5982\u4f55\u6d4b\u91cfGHI\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">GHI\u901a\u5e38\u4f7f\u7528\u603b\u8f90\u5c04\u8868\u6216\u592a\u9633\u8f90\u5c04\u4f20\u611f\u5668\u8fdb\u884c\u6d4b\u91cf\uff0c\u4f20\u611f\u5668\u6c34\u5e73\u5b89\u88c5\u5e76\u5177\u6709\u65e0\u906e\u6321\u7684\u5929\u7a7a\u89c6\u91ce\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u9760\u7684GHI\u6d4b\u91cf\u7cfb\u7edf\u9700\u8981\u5177\u5907\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>180\u00b0\u89c6\u573a\u89d2\uff0c\u4ee5\u6355\u83b7\u6765\u81ea\u6574\u4e2a\u5929\u7a7a\u534a\u7403\u7684\u5927\u9633\u8f90\u5c04\u3002.<\/li>\n\n\n\n<li>\u4f59\u5f26\u54cd\u5e94\uff0c\u4ee5\u786e\u4fdd\u9633\u5149\u4ee5\u4e0d\u540c\u89d2\u5ea6\u5230\u8fbe\u4f20\u611f\u5668\u65f6\u4fdd\u6301\u6d4b\u91cf\u7cbe\u5ea6\u3002.<\/li>\n\n\n\n<li>\u6c34\u5e73\u5b89\u88c5\uff0c\u4ee5\u786e\u4fdd\u6d4b\u91cf\u7ed3\u679c\u7b26\u5408\u6c34\u5e73\u603b\u8f90\u5c04\u7684\u5b9a\u4e49\u3002.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u5149\u4f0f\u76d1\u6d4b\u5e94\u7528\u4e2d\uff0cGHI\u4f20\u611f\u5668\u901a\u5e38\u4e0e\u6c14\u8c61\u7ad9\u6216\u6570\u636e\u91c7\u96c6\u7cfb\u7edf\u96c6\u6210\uff0c\u4ee5\u8fde\u7eed\u6536\u96c6\u592a\u9633\u8f90\u5c04\u6570\u636e\u3002\u7ed3\u5408\u6e29\u5ea6\u3001\u6e7f\u5ea6\u548c\u98ce\u901f\u7b49\u5176\u4ed6\u73af\u5883\u53c2\u6570\uff0c\u6240\u6536\u96c6\u7684\u6570\u636e\u53ef\u652f\u6301\u51c6\u786e\u7684\u592a\u9633\u80fd\u8d44\u6e90\u8bc4\u4f30\u548c\u5149\u4f0f\u7cfb\u7edf\u5206\u6790\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e3a\u4ec0\u4e48GHI\u5bf9\u5149\u4f0f\u7cfb\u7edf\u81f3\u5173\u91cd\u8981\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6c34\u5e73\u603b\u8f90\u5c04\u662f\u5149\u4f0f\u9879\u76ee\u5168\u751f\u547d\u5468\u671f\u4e2d\u6700\u91cd\u8981\u7684\u592a\u9633\u8f90\u5c04\u53c2\u6570\u4e4b\u4e00\u3002\u5728\u5efa\u8bbe\u5149\u4f0f\u7535\u7ad9\u4e4b\u524d\uff0c\u5f00\u53d1\u5546\u901a\u8fc7\u5206\u6790\u957f\u671fGHI\u6570\u636e\u6765\u8bc4\u4f30\u592a\u9633\u80fd\u6f5c\u529b\u3001\u6bd4\u8f83\u4e0d\u540c\u9009\u5740\u5e76\u4f30\u7b97\u9884\u671f\u53d1\u7535\u91cf\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u7cfb\u7edf\u8bbe\u8ba1\u548c\u8fd0\u884c\u9636\u6bb5\uff0cGHI\u6570\u636e\u7528\u4e8e\u5149\u4f0f\u6a21\u62df\u6a21\u578b\uff0c\u4ee5\u9884\u6d4b\u5e74\u53d1\u7535\u91cf\u5e76\u4f18\u5316\u7cfb\u7edf\u914d\u7f6e\u3002\u5b9e\u65f6GHI\u76d1\u6d4b\u8fd8\u53ef\u63d0\u9ad8\u592a\u9633\u80fd\u53d1\u7535\u9884\u6d4b\u7cbe\u5ea6\uff0c\u5e2e\u52a9\u8fd0\u8425\u5546\u7ba1\u7406\u5929\u6c14\u76f8\u5173\u6ce2\u52a8\u5e76\u7ef4\u6301\u7a33\u5b9a\u7684\u80fd\u6e90\u8f93\u51fa\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u8fc7\u5c06\u5b9e\u6d4b\u8f90\u7167\u5ea6\u6570\u636e\u4e0e\u5b9e\u9645\u53d1\u7535\u91cf\u8fdb\u884c\u5bf9\u6bd4\uff0c\u5149\u4f0f\u8fd0\u8425\u5546\u53ef\u4ee5\u8bc6\u522b\u6027\u80fd\u635f\u5931\u3001\u8bc4\u4f30\u7cfb\u7edf\u6548\u7387\u5e76\u4f18\u5316\u8fd0\u7ef4\u7b56\u7565\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-3 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" data-id=\"6986\" src=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/solar-farm-weather-monitoring-station.webp\" alt=\"tr\u1ea1m quan tr\u1eafc th\u1eddi ti\u1ebft cho trang tr\u1ea1i n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi\" class=\"wp-image-6986\" srcset=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/solar-farm-weather-monitoring-station.webp 800w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/solar-farm-weather-monitoring-station-300x225.webp 300w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/solar-farm-weather-monitoring-station-768x576.webp 768w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/solar-farm-weather-monitoring-station-16x12.webp 16w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" data-id=\"6983\" src=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/All-in-One-Solar-Weather-Station-13.webp\" alt=\"Tr\u1ea1m kh\u00ed t\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi \u0111a ch\u1ee9c n\u0103ng\" class=\"wp-image-6983\" srcset=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/All-in-One-Solar-Weather-Station-13.webp 800w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/All-in-One-Solar-Weather-Station-13-300x225.webp 300w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/All-in-One-Solar-Weather-Station-13-768x576.webp 768w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/All-in-One-Solar-Weather-Station-13-16x12.webp 16w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u4ec0\u4e48\u662f\u76f4\u63a5\u6cd5\u5411\u8f90\u5c04\uff08DNI\uff09\uff1f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">DNI\u7684\u5b9a\u4e49<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u76f4\u63a5\u6cd5\u5411\u8f90\u5c04\uff08DNI\uff09\u6307\u5782\u76f4\u4e8e\u592a\u9633\u5149\u65b9\u5411\u8868\u9762\u4e0a\u63a5\u6536\u5230\u7684\u76f4\u63a5\u592a\u9633\u8f90\u5c04\u91cf\u3002\u5b83\u4ec5\u6d4b\u91cf\u76f4\u63a5\u6765\u81ea\u592a\u9633\u7684\u76f4\u5c04\u5149\u675f\u8f90\u5c04\uff0c\u4e0d\u5305\u62ec\u5927\u6c14\u6563\u5c04\u7684\u6563\u5c04\u8f90\u5c04\u6216\u5468\u56f4\u8868\u9762\u53cd\u5c04\u7684\u8f90\u5c04\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DNI\u4ee3\u8868\u7279\u5b9a\u4f4d\u7f6e\u53ef\u7528\u76f4\u63a5\u9633\u5149\u7684\u5f3a\u5ea6\uff0c\u662f\u8bc4\u4f30\u4f9d\u8d56\u805a\u5149\u6216\u8ddf\u8e2a\u5f0f\u592a\u9633\u8f90\u5c04\u5e94\u7528\u7684\u91cd\u8981\u53c2\u6570\u3002\u6d4b\u91cf\u503c\u53d7\u5927\u6c14\u6761\u4ef6\u5f71\u54cd\uff0c\u5305\u62ec\u4e91\u5c42\u8986\u76d6\u3001\u6c14\u6eb6\u80f6\u3001\u6e7f\u5ea6\u548c\u7a7a\u6c14\u6c61\u67d3\uff0c\u8fd9\u4e9b\u56e0\u7d20\u4f1a\u51cf\u5c11\u5230\u8fbe\u5730\u9762\u7684\u76f4\u63a5\u9633\u5149\u91cf\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5982\u4f55\u6d4b\u91cfDNI\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DNI\u6d4b\u91cf\u9700\u8981\u4e13\u7528\u8bbe\u5907\uff0c\u56e0\u4e3a\u4f20\u611f\u5668\u5fc5\u987b\u59cb\u7ec8\u4e0e\u592a\u9633\u5149\u65b9\u5411\u5bf9\u9f50\uff0c\u4ee5\u51c6\u786e\u6355\u83b7\u76f4\u63a5\u592a\u9633\u8f90\u5c04\u3002\u4e0e\u91c7\u7528\u56fa\u5b9a\u6c34\u5e73\u5b89\u88c5\u7684GHI\u6d4b\u91cf\u4e0d\u540c\uff0cDNI\u6d4b\u91cf\u9700\u8981\u6301\u7eed\u8ddf\u8e2a\u592a\u9633\u8fd0\u52a8\u3002\u5982\u679c\u60a8\u60f3\u4e86\u89e3\u66f4\u591a\u5173\u4e8e <a href=\"https:\/\/www.yantaisensor.com\/vi\/blog\/measure-dni-accurately\/\">c\u00e1ch \u0111o ch\u00ednh x\u00e1c b\u1ee9c x\u1ea1 tr\u1ef1c ti\u1ebfp th\u00f4ng th\u01b0\u1eddng (DNI)<\/a>, vui l\u00f2ng nh\u1ea5p v\u00e0o \u0111\u00e2y \u0111\u1ec3 \u0111\u1ecdc b\u00e0i vi\u1ebft.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5178\u578b\u7684\u76f4\u63a5\u6cd5\u5411\u8f90\u5c04\u6d4b\u91cf\u7cfb\u7edf\u7531\u76f4\u63a5\u8f90\u5c04\u8868\u548c\u592a\u9633\u8ddf\u8e2a\u5668\u7ec4\u6210\u3002\u76f4\u63a5\u8f90\u5c04\u8868\u7528\u4e8e\u6d4b\u91cf\u76f4\u63a5\u592a\u9633\u8f90\u5c04\u5f3a\u5ea6\uff0c\u800c\u592a\u9633\u8ddf\u8e2a\u5668\u81ea\u52a8\u8c03\u6574\u4f20\u611f\u5668\u4f4d\u7f6e\uff0c\u4f7f\u5176\u5168\u5929\u4fdd\u6301\u6b63\u5bf9\u592a\u9633\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c \u0111o DNI ch\u00ednh x\u00e1c ph\u1ee5 thu\u1ed9c v\u00e0o s\u1ef1 c\u0103n ch\u1ec9nh ch\u00ednh x\u00e1c v\u00e0 hi\u1ec7u su\u1ea5t theo d\u00f5i \u1ed5n \u0111\u1ecbnh. C\u1ea3m bi\u1ebfn ph\u1ea3i lu\u00f4n vu\u00f4ng g\u00f3c v\u1edbi \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi t\u1edbi \u0111\u1ec3 tr\u00e1nh sai s\u1ed1 \u0111o do s\u1ef1 thay \u0111\u1ed5i v\u1ecb tr\u00ed c\u1ee7a m\u1eb7t tr\u1eddi. Do c\u00e1c y\u00eau c\u1ea7u n\u00e0y, h\u1ec7 th\u1ed1ng \u0111o DNI ph\u1ee9c t\u1ea1p h\u01a1n c\u00e1c h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi ti\u00eau chu\u1ea9n nh\u01b0ng cung c\u1ea5p d\u1eef li\u1ec7u quan tr\u1ecdng cho c\u00e1c \u1ee9ng d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi tr\u1ef1c ti\u1ebfp.N\u1ebfu b\u1ea1n mu\u1ed1n bi\u1ebft <a href=\"https:\/\/www.yantaisensor.com\/vi\/blog\/how-to-measure-solar-irradiance-for-photovoltaic-systems\/\">c\u00e1ch \u0111o b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi cho h\u1ec7 th\u1ed1ng quang \u0111i\u1ec7n<\/a>, \uff0c\u8bf7\u70b9\u51fb\u8be5\u6587\u7ae0\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng c\u1ee7a \u0110o DNI<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DNI \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi ph\u1ee5 thu\u1ed9c v\u00e0o \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi tr\u1ef1c ti\u1ebfp thay v\u00ec t\u1ed5ng b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi. D\u1eef li\u1ec7u DNI ch\u00ednh x\u00e1c gi\u00fap c\u00e1c k\u1ef9 s\u01b0 \u0111\u00e1nh gi\u00e1 li\u1ec7u m\u1ed9t \u0111\u1ecba \u0111i\u1ec3m c\u00f3 ph\u00f9 h\u1ee3p cho vi\u1ec7c s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi tr\u1ef1c ti\u1ebfp hay kh\u00f4ng v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">N\u0103ng l\u01b0\u1ee3ng M\u1eb7t tr\u1eddi T\u1eadp trung (CSP)<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">DNI l\u00e0 th\u00f4ng s\u1ed1 t\u00e0i nguy\u00ean m\u1eb7t tr\u1eddi quan tr\u1ecdng nh\u1ea5t \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi t\u1eadp trung. C\u00e1c c\u00f4ng ngh\u1ec7 CSP s\u1eed d\u1ee5ng g\u01b0\u01a1ng ho\u1eb7c th\u1ea5u k\u00ednh \u0111\u1ec3 h\u1ed9i t\u1ee5 \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi tr\u1ef1c ti\u1ebfp v\u00e0 chuy\u1ec3n \u0111\u1ed5i th\u00e0nh nhi\u1ec7t n\u0103ng nhi\u1ec7t \u0111\u1ed9 cao \u0111\u1ec3 ph\u00e1t \u0111i\u1ec7n. V\u00ec b\u1ee9c x\u1ea1 khu\u1ebfch t\u00e1n kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c h\u1ed9i t\u1ee5 hi\u1ec7u qu\u1ea3, c\u00e1c khu v\u1ef1c c\u00f3 gi\u00e1 tr\u1ecb B\u1ee9c x\u1ea1 Tr\u1ef1c ti\u1ebfp B\u00ecnh th\u01b0\u1eddng cao ph\u00f9 h\u1ee3p h\u01a1n cho ph\u00e1t tri\u1ec3n CSP.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">H\u1ec7 th\u1ed1ng Nhi\u1ec7t M\u1eb7t tr\u1eddi<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c h\u1ec7 th\u1ed1ng nhi\u1ec7t m\u1eb7t tr\u1eddi ph\u1ee5 thu\u1ed9c v\u00e0o b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi tr\u1ef1c ti\u1ebfp \u0111\u1ec3 thu th\u1eadp v\u00e0 chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi th\u00e0nh nhi\u1ec7t. \u0110o DNI gi\u00fap \u0111\u00e1nh gi\u00e1 t\u00e0i nguy\u00ean m\u1eb7t tr\u1eddi s\u1eb5n c\u00f3, h\u1ed7 tr\u1ee3 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng v\u00e0 c\u1ea3i thi\u1ec7n d\u1ef1 \u0111o\u00e1n s\u1ea3n l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng cho c\u00e1c \u1ee9ng d\u1ee5ng s\u01b0\u1edfi \u1ea5m b\u1eb1ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">H\u1ec7 th\u1ed1ng M\u1eb7t tr\u1eddi Theo d\u00f5i<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">DNI c\u0169ng c\u00f3 gi\u00e1 tr\u1ecb \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi \u0111\u01b0\u1ee3c trang b\u1ecb c\u01a1 ch\u1ebf theo d\u00f5i. B\u1eb1ng c\u00e1ch theo d\u00f5i chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a m\u1eb7t tr\u1eddi, c\u00e1c h\u1ec7 th\u1ed1ng theo d\u00f5i c\u00f3 th\u1ec3 thu \u0111\u01b0\u1ee3c nhi\u1ec1u \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi tr\u1ef1c ti\u1ebfp h\u01a1n, \u0111\u1eb7c bi\u1ec7t \u1edf c\u00e1c khu v\u1ef1c c\u00f3 m\u1ee9c b\u1ee9c x\u1ea1 tr\u1ef1c ti\u1ebfp cao. D\u1eef li\u1ec7u DNI gi\u00fap x\u00e1c \u0111\u1ecbnh l\u1ee3i \u00edch ti\u1ec1m n\u0103ng c\u1ee7a vi\u1ec7c theo d\u00f5i m\u1eb7t tr\u1eddi v\u00e0 h\u1ed7 tr\u1ee3 \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-4 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" data-id=\"7582\" src=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/solar-powered-weather-station-15.webp\" alt=\"tr\u1ea1m kh\u00ed t\u01b0\u1ee3ng ch\u1ea1y b\u1eb1ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi\" class=\"wp-image-7582\" srcset=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/solar-powered-weather-station-15.webp 800w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/solar-powered-weather-station-15-300x225.webp 300w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/solar-powered-weather-station-15-768x576.webp 768w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/solar-powered-weather-station-15-16x12.webp 16w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" data-id=\"7581\" src=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/solar-powered-weather-station-14.webp\" alt=\"tr\u1ea1m kh\u00ed t\u01b0\u1ee3ng ch\u1ea1y b\u1eb1ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi\" class=\"wp-image-7581\" srcset=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/solar-powered-weather-station-14.webp 800w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/solar-powered-weather-station-14-300x225.webp 300w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/solar-powered-weather-station-14-768x576.webp 768w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/solar-powered-weather-station-14-16x12.webp 16w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">B\u1ee9c x\u1ea1 Khu\u1ebfch t\u00e1n N\u1eb1m ngang (DHI) l\u00e0 g\u00ec?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ecbnh ngh\u0129a v\u1ec1 DHI<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ee9c x\u1ea1 Khu\u1ebfch t\u00e1n N\u1eb1m ngang (DHI) \u0111\u1ec1 c\u1eadp \u0111\u1ebfn b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi nh\u1eadn \u0111\u01b0\u1ee3c tr\u00ean b\u1ec1 m\u1eb7t n\u1eb1m ngang sau khi \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi b\u1ecb t\u00e1n x\u1ea1 b\u1edfi kh\u00ed quy\u1ec3n. Kh\u00f4ng gi\u1ed1ng nh\u01b0 b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi tr\u1ef1c ti\u1ebfp truy\u1ec1n th\u1eb3ng t\u1eeb m\u1eb7t tr\u1eddi, DHI \u0111\u1ebfn t\u1eeb \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi b\u1ecb t\u00e1n x\u1ea1 do m\u00e2y, ph\u00e2n t\u1eed kh\u00f4ng kh\u00ed, sol kh\u00ed v\u00e0 c\u00e1c h\u1ea1t kh\u00ed quy\u1ec3n kh\u00e1c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DHI \u0111\u1ea1i di\u1ec7n cho th\u00e0nh ph\u1ea7n khu\u1ebfch t\u00e1n c\u1ee7a b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi t\u1eeb to\u00e0n b\u1ed9 v\u00f2m tr\u1eddi, kh\u00f4ng bao g\u1ed3m ch\u00f9m b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi tr\u1ef1c ti\u1ebfp. Gi\u00e1 tr\u1ecb c\u1ee7a n\u00f3 thay \u0111\u1ed5i theo c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng nh\u01b0 \u0111\u1ed9 ph\u1ee7 m\u00e2y, \u0111\u1ed9 trong su\u1ed1t c\u1ee7a kh\u00ed quy\u1ec3n, ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed v\u00e0 bi\u1ebfn \u0111\u1ed9ng theo m\u00f9a, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh th\u00f4ng s\u1ed1 quan tr\u1ecdng \u0111\u1ec3 hi\u1ec3u \u0111\u1eb7c \u0111i\u1ec3m b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi t\u1ea1i \u0111\u1ecba ph\u01b0\u01a1ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">DHI \u0111\u01b0\u1ee3c \u0111o nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c \u0111o B\u1ee9c x\u1ea1 Khu\u1ebfch t\u00e1n N\u1eb1m ngang y\u00eau c\u1ea7u t\u00e1ch b\u1ee9c x\u1ea1 khu\u1ebfch t\u00e1n kh\u1ecfi \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi tr\u1ef1c ti\u1ebfp \u0111\u1ec3 ch\u1ec9 thu \u0111\u01b0\u1ee3c b\u1ee9c x\u1ea1 t\u00e1n x\u1ea1 t\u1eeb b\u1ea7u tr\u1eddi. Ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 s\u1eed d\u1ee5ng nhi\u1ec7t k\u1ebf b\u1ee9c x\u1ea1 c\u00f3 che ch\u1eafn, \u0111o b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi tr\u00ean b\u1ec1 m\u1eb7t n\u1eb1m ngang trong khi ch\u1eb7n ch\u00f9m b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi tr\u1ef1c ti\u1ebfp.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A typical DHI measurement system combines a pyranometer with a shading device or solar tracking shading mechanism. The shading system continuously blocks the sun\u2019s direct path while allowing diffuse radiation from the surrounding sky to reach the sensor. Since accurate DHI measurement depends on precise shading and stable positioning, proper calibration and installation are essential for obtaining reliable diffuse radiation data.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Why Is DHI Important?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DHI provides valuable information about atmospheric scattering conditions and is an important parameter for solar resource assessment and photovoltaic system modeling. By analyzing diffuse radiation, engineers can better understand how environmental conditions affect the solar energy available at a specific location.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cloud cover, aerosols, and atmospheric changes can significantly influence the amount of diffuse radiation reaching the ground. Continuous DHI monitoring helps solar operators evaluate weather impacts, analyze changes in solar radiation patterns, and improve the accuracy of solar resource assessments.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For photovoltaic systems, especially tilted solar panels and advanced PV simulation models, accurate DHI data helps estimate the diffuse radiation received by solar modules. Combined with other solar radiation parameters, Diffuse Horizontal Irradiance measurements improve energy yield calculations, enhance PV performance predictions, and support more reliable system design and operation.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-5 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" data-id=\"7586\" src=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/solar-powered-weather-station-19.webp\" alt=\"tr\u1ea1m kh\u00ed t\u01b0\u1ee3ng ch\u1ea1y b\u1eb1ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi\" class=\"wp-image-7586\" srcset=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/solar-powered-weather-station-19.webp 800w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/solar-powered-weather-station-19-300x225.webp 300w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/solar-powered-weather-station-19-768x576.webp 768w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/solar-powered-weather-station-19-16x12.webp 16w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" data-id=\"6991\" src=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/All-in-One-Solar-Weather-Station-17.webp\" alt=\"Tr\u1ea1m kh\u00ed t\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi \u0111a ch\u1ee9c n\u0103ng\" class=\"wp-image-6991\" srcset=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/All-in-One-Solar-Weather-Station-17.webp 800w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/All-in-One-Solar-Weather-Station-17-300x225.webp 300w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/All-in-One-Solar-Weather-Station-17-768x576.webp 768w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/All-in-One-Solar-Weather-Station-17-16x12.webp 16w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">GHI vs DNI vs DHI: Main Differences<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">GHI, DNI, and DHI represent different components of solar radiation reaching the ground. GHI measures total solar radiation on a horizontal surface, DNI measures direct sunlight perpendicular to the sun\u2019s rays, and DHI measures scattered solar radiation from the sky. Together, these three parameters provide a complete understanding of solar resources for photovoltaic systems and solar energy applications.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The key differences between GHI, DNI, and DHI can be summarized based on their measurement direction, radiation type, required equipment, and typical applications.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Tham s\u1ed1<\/td><td>GHI<\/td><td>DNI<\/td><td>DHI<\/td><\/tr><tr><td>H\u1ecd v\u00e0 t\u00ean \u0111\u1ea7y \u0111\u1ee7<\/td><td>Global Horizontal Irradiance<\/td><td>Direct Normal Irradiance<\/td><td>Diffuse Horizontal Irradiance<\/td><\/tr><tr><td>Measurement Surface<\/td><td>Horizontal plane<\/td><td>Surface perpendicular to sunlight<\/td><td>Horizontal plane<\/td><\/tr><tr><td>Radiation Type<\/td><td>Direct + diffuse radiation<\/td><td>Direct beam radiation only<\/td><td>Diffuse radiation only<\/td><\/tr><tr><td>Main Measurement Device<\/td><td>M\u00e1y \u0111o b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi<\/td><td>Pyrheliometer v\u1edbi b\u1ed9 theo d\u00f5i m\u1eb7t tr\u1eddi<\/td><td>Pyranometer c\u00f3 che ch\u1eafn<\/td><\/tr><tr><td>Ph\u01b0\u01a1ng ph\u00e1p \u0110o<\/td><td>Fixed horizontal measurement<\/td><td>Sun-tracking direct radiation measurement<\/td><td>Measures scattered radiation after blocking direct sunlight<\/td><\/tr><tr><td>Main Applications<\/td><td>PV resource assessment, energy yield estimation, solar monitoring<\/td><td>CSP systems, solar thermal systems, tracking solar systems<\/td><td>PV modeling, weather analysis, solar resource evaluation<\/td><\/tr><tr><td>Common Units<\/td><td>W\/m\u00b2, kWh\/m\u00b2<\/td><td>W\/m\u00b2, kWh\/m\u00b2<\/td><td>W\/m\u00b2, kWh\/m\u00b2<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Relationship Between GHI, DNI, and DHI<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Although GHI, DNI, and DHI represent different solar radiation components, they are closely connected and together provide a complete picture of solar energy conditions at a specific location. The measured values are influenced by atmospheric conditions during sunlight transmission, including cloud cover, atmospheric absorption, and aerosol concentration.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In practical solar monitoring, the proportion between direct and diffuse radiation can reveal local weather characteristics. A higher DNI value generally indicates clearer atmospheric conditions with stronger direct sunlight, while increased DHI often reflects greater atmospheric scattering caused by clouds, haze, or particles in the air.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For photovoltaic systems, analyzing these parameters together provides more reliable performance evaluation than using a single irradiance value. Combined with plane-of-array (POA) irradiance measurements, GHI, DNI, and DHI data help improve PV energy yield estimation, system modeling accuracy, and long-term performance analysis.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-6 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" data-id=\"6985\" src=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/integrated-solar-weather-station-for-PV-monitoring.webp\" alt=\"Tr\u1ea1m kh\u00ed t\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi t\u00edch h\u1ee3p \u0111\u1ec3 gi\u00e1m s\u00e1t h\u1ec7 th\u1ed1ng \u0111i\u1ec7n m\u1eb7t tr\u1eddi\" class=\"wp-image-6985\" srcset=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/integrated-solar-weather-station-for-PV-monitoring.webp 800w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/integrated-solar-weather-station-for-PV-monitoring-300x225.webp 300w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/integrated-solar-weather-station-for-PV-monitoring-768x576.webp 768w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/integrated-solar-weather-station-for-PV-monitoring-16x12.webp 16w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" data-id=\"7005\" src=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/PV-Module-Soiling-Loss-Monitoring-1024x683.webp\" alt=\"Gi\u00e1m s\u00e1t t\u1ed5n th\u1ea5t do b\u1ee5i b\u1ea9n tr\u00ean m\u00f4-\u0111un PV\" class=\"wp-image-7005\" srcset=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/PV-Module-Soiling-Loss-Monitoring-1024x683.webp 1024w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/PV-Module-Soiling-Loss-Monitoring-300x200.webp 300w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/PV-Module-Soiling-Loss-Monitoring-768x512.webp 768w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/PV-Module-Soiling-Loss-Monitoring-18x12.webp 18w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/PV-Module-Soiling-Loss-Monitoring.webp 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Why Solar Irradiance Measurement Matters for PV Systems?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Accurate solar irradiance data is an important reference for photovoltaic project development and operation. From evaluating a potential site to checking actual system performance, reliable irradiance measurements help engineers understand whether a PV system is working under expected solar conditions and where improvements may be needed.If you&#8217;d like to learn more about the<a href=\"https:\/\/www.yantaisensor.com\/vi\/blog\/best-solar-radiation-sensors\/\"> best solar radiation sensors for PV monitoring systems<\/a>, \uff0c\u8bf7\u70b9\u51fb\u8be5\u6587\u7ae0\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Solar Site Assessment<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Before building a photovoltaic project, developers need long-term solar radiation data to understand the energy potential of a location. Measurements such as GHI, DNI, and DHI help evaluate local solar resources, compare different sites, and estimate possible energy production before investment decisions are made.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In practice, historical solar data is often more valuable than short-term weather observations because PV projects usually operate for decades. Reliable irradiance records provide a more accurate basis for system sizing, installation planning, and energy yield estimation.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">PV Performance Monitoring<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">During PV system operation, solar irradiance measurement helps operators determine whether changes in power output are caused by weather conditions or actual system issues. By comparing measured irradiance with power generation data, operators can identify potential problems such as shading, module performance degradation, or inverter abnormalities.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">From our experience working with solar monitoring applications, one common issue is that low power output does not always mean equipment failure. Without accurate irradiance data as a reference, it is difficult to distinguish between a cloudy day and a real system performance problem. Continuous monitoring provides the additional information needed for more efficient operation and maintenance decisions.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Solar Forecasting<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Solar irradiance data is also widely used in photovoltaic power forecasting. When combined with environmental parameters such as temperature, humidity, and wind speed, irradiance measurements help improve prediction accuracy under changing weather conditions.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For large-scale PV plants, more accurate forecasting allows operators to better manage power fluctuations, support grid stability, and improve renewable energy scheduling.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-7 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" data-id=\"7374\" src=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Kyrgyzstan-Solar-Power-Plant-Weather-Monitoring-System-Project-4-768x1024.webp\" alt=\"D\u1ef1 \u00e1n H\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t th\u1eddi ti\u1ebft cho nh\u00e0 m\u00e1y \u0111i\u1ec7n m\u1eb7t tr\u1eddi t\u1ea1i Kyrgyzstan (20)\" class=\"wp-image-7374\" srcset=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Kyrgyzstan-Solar-Power-Plant-Weather-Monitoring-System-Project-4-768x1024.webp 768w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Kyrgyzstan-Solar-Power-Plant-Weather-Monitoring-System-Project-4-225x300.webp 225w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Kyrgyzstan-Solar-Power-Plant-Weather-Monitoring-System-Project-4-9x12.webp 9w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Kyrgyzstan-Solar-Power-Plant-Weather-Monitoring-System-Project-4.webp 800w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" data-id=\"6990\" src=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/All-in-One-Solar-Weather-Station.webp\" alt=\"Tr\u1ea1m kh\u00ed t\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi \u0111a ch\u1ee9c n\u0103ng\" class=\"wp-image-6990\" srcset=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/All-in-One-Solar-Weather-Station.webp 800w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/All-in-One-Solar-Weather-Station-300x225.webp 300w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/All-in-One-Solar-Weather-Station-768x576.webp 768w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/All-in-One-Solar-Weather-Station-16x12.webp 16w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">How Are GHI, DNI, and DHI Measured in Solar Monitoring Systems?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">In solar monitoring systems, GHI, DNI, and DHI are measured through different sensing methods based on their radiation characteristics. GHI is typically measured with a horizontal solar radiation sensor, while DNI and DHI require more specialized measurement approaches, such as solar tracking or shading mechanisms, to separate direct and diffuse radiation components.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For practical PV monitoring applications, Yantai Sensor solar radiation measurement solutions provide reliable environmental data acquisition for photovoltaic plants, weather stations, and renewable energy research. The monitoring system can collect solar irradiance data together with temperature, humidity, wind speed, and other atmospheric conditions, then transmit the information through a data logger to a monitoring platform for PV performance analysis and energy management. A typical system structure includes: Solar radiation sensor \u2192 Data logger \u2192 Monitoring platform \u2192 PV analysis system.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">GHI, DNI, and DHI Selection Guide for Different Solar Applications<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Different solar projects require different irradiance parameters depending on system design, energy conversion method, and monitoring objectives. Choosing the right combination of GHI, DNI, and DHI measurements helps improve solar resource assessment, system simulation accuracy, and long-term performance analysis.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u0110\u01a1n \u0111\u0103ng k\u00fd<\/td><td>Important Parameters<\/td><td>Why These Parameters Matter<\/td><\/tr><tr><td>H\u1ec7 th\u1ed1ng \u0110i\u1ec7n m\u1eb7t tr\u1eddi M\u00e1i nh\u00e0<\/td><td>GHI<\/td><td>Evaluates solar resource availability and supports energy estimation.<\/td><\/tr><tr><td>Utility-Scale PV Plants<\/td><td>GHI + POA Irradiance<\/td><td>Assesses solar resources and actual radiation received by PV modules.<\/td><\/tr><tr><td>Concentrated Solar Power (CSP) Plants<\/td><td>DNI<\/td><td>Measures direct sunlight available for solar concentration.<\/td><\/tr><tr><td>Solar Research Stations<\/td><td>GHI + DNI + DHI<\/td><td>Provides complete solar radiation data for analysis and modeling.<\/td><\/tr><tr><td>Tr\u1ea1m quan tr\u1eafc th\u1eddi ti\u1ebft<\/td><td>GHI + DHI<\/td><td>Monitors solar conditions and atmospheric scattering changes.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">For most photovoltaic projects, GHI is the starting point for solar resource evaluation, while DNI and DHI become more important when the project requires detailed radiation analysis. For example, areas with frequent cloud cover may have a higher diffuse radiation contribution, making DHI valuable for improving PV performance modeling. Projects using solar tracking systems or concentrated solar technologies usually require more accurate DNI monitoring because direct sunlight has a greater impact on system output.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">From a practical monitoring perspective, selecting the right measurement combination should consider the project type, local climate conditions, and required data accuracy. A properly configured solar monitoring system can provide more reliable data for PV design, operation analysis, and future performance optimization.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-8 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" data-id=\"3568\" src=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2025\/12\/Solar-PV-Industry-Solutions-7.webp\" alt=\"Gi\u1ea3i ph\u00e1p cho ng\u00e0nh c\u00f4ng nghi\u1ec7p quang \u0111i\u1ec7n m\u1eb7t tr\u1eddi\" class=\"wp-image-3568\" srcset=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2025\/12\/Solar-PV-Industry-Solutions-7.webp 800w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2025\/12\/Solar-PV-Industry-Solutions-7-300x225.webp 300w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2025\/12\/Solar-PV-Industry-Solutions-7-768x576.webp 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" data-id=\"3569\" src=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2025\/12\/Solar-PV-Industry-Solutions-8.webp\" alt=\"Gi\u1ea3i ph\u00e1p cho ng\u00e0nh c\u00f4ng nghi\u1ec7p quang \u0111i\u1ec7n m\u1eb7t tr\u1eddi\" class=\"wp-image-3569\" srcset=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2025\/12\/Solar-PV-Industry-Solutions-8.webp 800w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2025\/12\/Solar-PV-Industry-Solutions-8-300x225.webp 300w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2025\/12\/Solar-PV-Industry-Solutions-8-768x576.webp 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">K\u1ebft lu\u1eadn<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">GHI, DNI, and DHI are more than three solar radiation measurements \u2014 they provide different perspectives on how solar energy reaches the Earth\u2019s surface and how it can be utilized in renewable energy projects. By understanding the relationship between direct, diffuse, and total solar radiation, engineers can select appropriate monitoring methods, improve PV system evaluation, and build more reliable energy forecasting models.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In real solar projects, accurate irradiance data is the foundation for making confident decisions, from site assessment and system design to daily operation and performance analysis. Yantai Sensor provides solar radiation monitoring solutions designed for photovoltaic plants, weather stations, and renewable energy applications, helping customers collect reliable environmental data for better system management.<a href=\"https:\/\/www.yantaisensor.com\/vi\/lien-he-voi-chung-toi\/\">Contact Yantai Sensor<\/a> to discuss your solar monitoring requirements and find a suitable measurement solution for your project.<\/p>\n\n\n<style>.wp-block-kadence-advancedgallery.kb-gallery-wrap-id-8741_637b2b-5c{padding-top:0px;}.wp-block-kadence-advancedgallery .kb-gallery-type-grid.kb-gallery-id-8741_637b2b-5c{margin:-5px;}.kb-gallery-type-grid.kb-gallery-id-8741_637b2b-5c .kadence-blocks-gallery-item{padding:5px;}.kb-gallery-id-8741_637b2b-5c .kadence-blocks-gallery-item .kb-gal-image-radius, .kb-gallery-id-8741_637b2b-5c .kb-slide-item .kb-gal-image-radius img{border-radius:0px 0px 0px 0px;;}<\/style><div class=\"kb-gallery-wrap-id-8741_637b2b-5c alignnone wp-block-kadence-advancedgallery\"><ul class=\"kb-gallery-ul kb-gallery-non-static kb-gallery-type-grid kb-gallery-id-8741_637b2b-5c kb-gallery-caption-style-bottom-hover kb-gallery-filter-none kb-gallery-magnific-init\" data-image-filter=\"none\" data-item-selector=\".kadence-blocks-gallery-item\" data-lightbox-caption=\"true\" data-columns-xxl=\"3\" data-columns-xl=\"3\" data-columns-md=\"3\" data-columns-sm=\"2\" data-columns-xs=\"1\" data-columns-ss=\"1\"><li class=\"kadence-blocks-gallery-item\"><div class=\"kadence-blocks-gallery-item-inner\"><figure class=\"kb-gallery-figure kb-gallery-item-has-link kadence-blocks-gallery-item-hide-caption\"><a href=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor.webp\" data-alt=\"Yantai Sensor\" class=\"kb-gallery-item-link\"   role=\"button\" aria-haspopup=\"dialog\"><div class=\"kb-gal-image-radius\"><div class=\"kb-gallery-image-contain kadence-blocks-gallery-intrinsic kb-gallery-image-ratio-land43 kb-has-image-ratio-land43\" ><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor.webp\" width=\"800\" height=\"600\" alt=\"C\u1ea3m bi\u1ebfn Yantai\" data-full-image=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor.webp\" data-light-image=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor.webp\" data-id=\"7683\" class=\"wp-image-7683\" srcset=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor.webp 800w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-300x225.webp 300w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-768x576.webp 768w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-16x12.webp 16w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/div><\/div><\/a><\/figure><\/div><\/li><li class=\"kadence-blocks-gallery-item\"><div class=\"kadence-blocks-gallery-item-inner\"><figure class=\"kb-gallery-figure kb-gallery-item-has-link kadence-blocks-gallery-item-hide-caption\"><a href=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-2.webp\" data-alt=\"Yantai Sensor\" class=\"kb-gallery-item-link\"   role=\"button\" aria-haspopup=\"dialog\"><div class=\"kb-gal-image-radius\"><div class=\"kb-gallery-image-contain kadence-blocks-gallery-intrinsic kb-gallery-image-ratio-land43 kb-has-image-ratio-land43\" ><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-2.webp\" width=\"800\" height=\"600\" alt=\"C\u1ea3m bi\u1ebfn Yantai\" data-full-image=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-2.webp\" data-light-image=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-2.webp\" data-id=\"7685\" class=\"wp-image-7685\" srcset=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-2.webp 800w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-2-300x225.webp 300w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-2-768x576.webp 768w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-2-16x12.webp 16w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/div><\/div><\/a><\/figure><\/div><\/li><li class=\"kadence-blocks-gallery-item\"><div class=\"kadence-blocks-gallery-item-inner\"><figure class=\"kb-gallery-figure kb-gallery-item-has-link kadence-blocks-gallery-item-hide-caption\"><a href=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-1.webp\" data-alt=\"Yantai Sensor\" class=\"kb-gallery-item-link\"   role=\"button\" aria-haspopup=\"dialog\"><div class=\"kb-gal-image-radius\"><div class=\"kb-gallery-image-contain kadence-blocks-gallery-intrinsic kb-gallery-image-ratio-land43 kb-has-image-ratio-land43\" ><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-1.webp\" width=\"800\" height=\"600\" alt=\"C\u1ea3m bi\u1ebfn Yantai\" data-full-image=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-1.webp\" data-light-image=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-1.webp\" data-id=\"7684\" class=\"wp-image-7684\" srcset=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-1.webp 800w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-1-300x225.webp 300w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-1-768x576.webp 768w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-1-16x12.webp 16w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/div><\/div><\/a><\/figure><\/div><\/li><li class=\"kadence-blocks-gallery-item\"><div class=\"kadence-blocks-gallery-item-inner\"><figure class=\"kb-gallery-figure kb-gallery-item-has-link kadence-blocks-gallery-item-hide-caption\"><a href=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-3.webp\" class=\"kb-gallery-item-link\"   role=\"button\" aria-haspopup=\"dialog\"><div class=\"kb-gal-image-radius\"><div class=\"kb-gallery-image-contain kadence-blocks-gallery-intrinsic kb-gallery-image-ratio-land43 kb-has-image-ratio-land43\" ><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-3.webp\" width=\"800\" height=\"600\" alt=\"\" data-full-image=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-3.webp\" data-light-image=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-3.webp\" data-id=\"7692\" class=\"wp-image-7692\" srcset=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-3.webp 800w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-3-300x225.webp 300w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-3-768x576.webp 768w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-3-16x12.webp 16w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/div><\/div><\/a><\/figure><\/div><\/li><li class=\"kadence-blocks-gallery-item\"><div class=\"kadence-blocks-gallery-item-inner\"><figure class=\"kb-gallery-figure kb-gallery-item-has-link kadence-blocks-gallery-item-hide-caption\"><a href=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-4.webp\" data-alt=\"Yantai Sensor\" class=\"kb-gallery-item-link\"   role=\"button\" aria-haspopup=\"dialog\"><div class=\"kb-gal-image-radius\"><div class=\"kb-gallery-image-contain kadence-blocks-gallery-intrinsic kb-gallery-image-ratio-land43 kb-has-image-ratio-land43\" ><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-4.webp\" width=\"800\" height=\"600\" alt=\"C\u1ea3m bi\u1ebfn Yantai\" data-full-image=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-4.webp\" data-light-image=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-4.webp\" data-id=\"7693\" class=\"wp-image-7693\" srcset=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-4.webp 800w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-4-300x225.webp 300w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-4-768x576.webp 768w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-4-16x12.webp 16w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/div><\/div><\/a><\/figure><\/div><\/li><li class=\"kadence-blocks-gallery-item\"><div class=\"kadence-blocks-gallery-item-inner\"><figure class=\"kb-gallery-figure kb-gallery-item-has-link kadence-blocks-gallery-item-hide-caption\"><a href=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-5.webp\" data-alt=\"Yantai Sensor\" class=\"kb-gallery-item-link\"   role=\"button\" aria-haspopup=\"dialog\"><div class=\"kb-gal-image-radius\"><div class=\"kb-gallery-image-contain kadence-blocks-gallery-intrinsic kb-gallery-image-ratio-land43 kb-has-image-ratio-land43\" ><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-5.webp\" width=\"800\" height=\"600\" alt=\"C\u1ea3m bi\u1ebfn Yantai\" data-full-image=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-5.webp\" data-light-image=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-5.webp\" data-id=\"7694\" class=\"wp-image-7694\" srcset=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-5.webp 800w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-5-300x225.webp 300w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-5-768x576.webp 768w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/06\/Yantai-Sensor-5-16x12.webp 16w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/div><\/div><\/a><\/figure><\/div><\/li><\/ul><\/div>\n\n\n<h2 class=\"wp-block-heading\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n<style>.kt-accordion-id8741_a10c91-64 .kt-accordion-inner-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:10px;}.kt-accordion-id8741_a10c91-64 .kt-accordion-panel-inner{border-top:0px solid transparent;border-right:0px solid transparent;border-bottom:0px solid transparent;border-left:0px solid transparent;padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-right:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);padding-left:var(--global-kb-spacing-sm, 1.5rem);}.kt-accordion-id8741_a10c91-64 > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header{border-top:1px solid #f2f2f2;border-right:1px solid #f2f2f2;border-bottom:1px solid #f2f2f2;border-left:1px solid #f2f2f2;border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;background:#f2f2f2;color:#555555;padding-top:9px;padding-right:13px;padding-bottom:9px;padding-left:13px;}.kt-accordion-id8741_a10c91-64:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle )  > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id8741_a10c91-64:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle )  > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap .kt-blocks-accordion-icon-trigger:before{background:#555555;}.kt-accordion-id8741_a10c91-64:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-icon-trigger{background:#555555;}.kt-accordion-id8741_a10c91-64:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id8741_a10c91-64:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-icon-trigger:before{background:#f2f2f2;}.kt-accordion-id8741_a10c91-64 > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header:hover, \n\t\t\t\tbody:not(.hide-focus-outline) .kt-accordion-id8741_a10c91-64 .kt-blocks-accordion-header:focus-visible{color:#444444;background:#eeeeee;border-top:1px solid #878787;border-right:1px solid #878787;border-bottom:1px solid #878787;border-left:1px solid #878787;}.kt-accordion-id8741_a10c91-64:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle ) .kt-accordion-header-wrap .kt-blocks-accordion-header:hover .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id8741_a10c91-64:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle ) .kt-accordion-header-wrap .kt-blocks-accordion-header:hover .kt-blocks-accordion-icon-trigger:before, body:not(.hide-focus-outline) .kt-accordion-id8741_a10c91-64:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle ) .kt-blocks-accordion--visible .kt-blocks-accordion-icon-trigger:after, body:not(.hide-focus-outline) .kt-accordion-id8741_a10c91-64:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle ) .kt-blocks-accordion-header:focus-visible .kt-blocks-accordion-icon-trigger:before{background:#444444;}.kt-accordion-id8741_a10c91-64:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-accordion-header-wrap .kt-blocks-accordion-header:hover .kt-blocks-accordion-icon-trigger, body:not(.hide-focus-outline) .kt-accordion-id8741_a10c91-64:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible .kt-blocks-accordion-icon-trigger{background:#444444;}.kt-accordion-id8741_a10c91-64:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-accordion-header-wrap .kt-blocks-accordion-header:hover .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id8741_a10c91-64:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-accordion-header-wrap .kt-blocks-accordion-header:hover .kt-blocks-accordion-icon-trigger:before, body:not(.hide-focus-outline) .kt-accordion-id8741_a10c91-64:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible .kt-blocks-accordion-icon-trigger:after, body:not(.hide-focus-outline) .kt-accordion-id8741_a10c91-64:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible .kt-blocks-accordion-icon-trigger:before{background:#eeeeee;}.kt-accordion-id8741_a10c91-64 .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible,\n\t\t\t\t.kt-accordion-id8741_a10c91-64 > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header.kt-accordion-panel-active{color:#ffffff;background:var(--global-palette1, #3182CE);border-top:1px solid #444444;border-right:1px solid #444444;border-bottom:1px solid #444444;border-left:1px solid #444444;}.kt-accordion-id8741_a10c91-64:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle )  > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header.kt-accordion-panel-active .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id8741_a10c91-64:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle )  > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header.kt-accordion-panel-active .kt-blocks-accordion-icon-trigger:before{background:#ffffff;}.kt-accordion-id8741_a10c91-64:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-header.kt-accordion-panel-active .kt-blocks-accordion-icon-trigger{background:#ffffff;}.kt-accordion-id8741_a10c91-64:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-header.kt-accordion-panel-active .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id8741_a10c91-64:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-header.kt-accordion-panel-active .kt-blocks-accordion-icon-trigger:before{background:var(--global-palette1, #3182CE);}@media all and (max-width: 1024px){.kt-accordion-id8741_a10c91-64 .kt-accordion-panel-inner{border-top:0px solid transparent;border-right:0px solid transparent;border-bottom:0px solid transparent;border-left:0px solid transparent;}}@media all and (max-width: 1024px){.kt-accordion-id8741_a10c91-64 > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header{border-top:1px solid #f2f2f2;border-right:1px solid #f2f2f2;border-bottom:1px solid #f2f2f2;border-left:1px solid #f2f2f2;}}@media all and (max-width: 1024px){.kt-accordion-id8741_a10c91-64 > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header:hover, \n\t\t\t\tbody:not(.hide-focus-outline) .kt-accordion-id8741_a10c91-64 .kt-blocks-accordion-header:focus-visible{border-top:1px solid #878787;border-right:1px solid #878787;border-bottom:1px solid #878787;border-left:1px solid #878787;}}@media all and (max-width: 1024px){.kt-accordion-id8741_a10c91-64 .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible,\n\t\t\t\t.kt-accordion-id8741_a10c91-64 > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header.kt-accordion-panel-active{border-top:1px solid #444444;border-right:1px solid #444444;border-bottom:1px solid #444444;border-left:1px solid #444444;}}@media all and (max-width: 767px){.kt-accordion-id8741_a10c91-64 .kt-accordion-inner-wrap{display:block;}.kt-accordion-id8741_a10c91-64 .kt-accordion-inner-wrap .kt-accordion-pane:not(:first-child){margin-top:10px;}.kt-accordion-id8741_a10c91-64 .kt-accordion-panel-inner{border-top:0px solid transparent;border-right:0px solid transparent;border-bottom:0px solid transparent;border-left:0px solid transparent;}.kt-accordion-id8741_a10c91-64 > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header{border-top:1px solid #f2f2f2;border-right:1px solid #f2f2f2;border-bottom:1px solid #f2f2f2;border-left:1px solid #f2f2f2;}.kt-accordion-id8741_a10c91-64 > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header:hover, \n\t\t\t\tbody:not(.hide-focus-outline) .kt-accordion-id8741_a10c91-64 .kt-blocks-accordion-header:focus-visible{border-top:1px solid #878787;border-right:1px solid #878787;border-bottom:1px solid #878787;border-left:1px solid #878787;}.kt-accordion-id8741_a10c91-64 .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible,\n\t\t\t\t.kt-accordion-id8741_a10c91-64 > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header.kt-accordion-panel-active{border-top:1px solid #444444;border-right:1px solid #444444;border-bottom:1px solid #444444;border-left:1px solid #444444;}}<\/style>\n<div class=\"wp-block-kadence-accordion alignnone\"><div class=\"kt-accordion-wrap kt-accordion-id8741_a10c91-64 kt-accordion-has-10-panes kt-active-pane-0 kt-accordion-block kt-pane-header-alignment-left kt-accodion-icon-style-basic kt-accodion-icon-side-right\" style=\"max-width:none\"><div class=\"kt-accordion-inner-wrap\" data-allow-multiple-open=\"false\" data-start-open=\"0\">\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-1 kt-pane8741_fb1ee9-97\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\">S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa GHI, DNI v\u00e0 DHI trong n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi l\u00e0 g\u00ec?<\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\">GHI, DNI v\u00e0 DHI \u0111\u1ea1i di\u1ec7n cho c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c nhau c\u1ee7a b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi \u0111\u1ebfn b\u1ec1 m\u1eb7t Tr\u00e1i \u0110\u1ea5t. GHI \u0111o t\u1ed5ng b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi tr\u00ean b\u1ec1 m\u1eb7t n\u1eb1m ngang, bao g\u1ed3m c\u1ea3 b\u1ee9c x\u1ea1 tr\u1ef1c ti\u1ebfp v\u00e0 b\u1ee9c x\u1ea1 khu\u1ebfch t\u00e1n. DNI \u0111o \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi tr\u1ef1c ti\u1ebfp vu\u00f4ng g\u00f3c v\u1edbi tia n\u1eafng, trong khi DHI \u0111o b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi t\u00e1n x\u1ea1 t\u1eeb b\u1ea7u tr\u1eddi. Ba th\u00f4ng s\u1ed1 n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00f9ng nhau \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 t\u00e0i nguy\u00ean n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi v\u00e0 ph\u00e2n t\u00edch h\u1ec7 th\u1ed1ng PV.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-2 kt-pane8741_b17cb8-e8\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\">Th\u00f4ng s\u1ed1 b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi n\u00e0o l\u00e0 quan tr\u1ecdng nh\u1ea5t \u0111\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng quang \u0111i\u1ec7n?<\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\">Th\u00f4ng s\u1ed1 quan tr\u1ecdng nh\u1ea5t ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i h\u1ec7 th\u1ed1ng PV v\u00e0 m\u1ee5c \u0111\u00edch ph\u00e2n t\u00edch. \u0110\u1ed1i v\u1edbi c\u00e1c d\u1ef1 \u00e1n PV c\u1ed1 \u0111\u1ecbnh th\u00f4ng th\u01b0\u1eddng, GHI th\u01b0\u1eddng l\u00e0 ch\u1ec9 s\u1ed1 ch\u00ednh \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 t\u00e0i nguy\u00ean n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi v\u00e0 \u01b0\u1edbc t\u00ednh s\u1ea3n l\u01b0\u1ee3ng \u0111i\u1ec7n. \u0110\u1ed1i v\u1edbi m\u00f4 h\u00ecnh h\u00f3a n\u00e2ng cao, h\u1ec7 th\u1ed1ng theo d\u00f5i ho\u1eb7c ph\u00e2n t\u00edch hi\u1ec7u su\u1ea5t chi ti\u1ebft, b\u1ee9c x\u1ea1 DNI, DHI v\u00e0 POA c\u0169ng c\u1ea7n thi\u1ebft \u0111\u1ec3 hi\u1ec3u ch\u00ednh x\u00e1c b\u1ee9c x\u1ea1 m\u00e0 c\u00e1c m\u00f4-\u0111un PV nh\u1eadn \u0111\u01b0\u1ee3c.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-3 kt-pane8741_ce2099-c2\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\">T\u1ea1i sao DNI l\u1ea1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c d\u1ef1 \u00e1n \u0111i\u1ec7n m\u1eb7t tr\u1eddi?<\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\">DNI \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi ph\u1ee5 thu\u1ed9c v\u00e0o \u00e1nh n\u1eafng tr\u1ef1c ti\u1ebfp, ch\u1eb3ng h\u1ea1n nh\u01b0 nh\u00e0 m\u00e1y \u0111i\u1ec7n m\u1eb7t tr\u1eddi t\u1eadp trung (CSP) v\u00e0 h\u1ec7 th\u1ed1ng theo d\u00f5i m\u1eb7t tr\u1eddi. V\u00ec c\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y thu v\u00e0 t\u1eadp trung b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi tr\u1ef1c ti\u1ebfp, d\u1eef li\u1ec7u DNI gi\u00fap c\u00e1c k\u1ef9 s\u01b0 \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 ph\u00f9 h\u1ee3p c\u1ee7a \u0111\u1ecba \u0111i\u1ec3m, \u01b0\u1edbc t\u00ednh s\u1ea3n l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng v\u00e0 x\u00e1c \u0111\u1ecbnh li\u1ec7u m\u1ed9t v\u1ecb tr\u00ed c\u00f3 \u0111\u1ee7 ngu\u1ed3n b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi tr\u1ef1c ti\u1ebfp cho ph\u00e1t tri\u1ec3n d\u1ef1 \u00e1n hay kh\u00f4ng.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-4 kt-pane8741_ad6d53-99\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\">GHI\u3001DNI\u548cDHI\u662f\u5982\u4f55\u6d4b\u91cf\u7684\uff1f<\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\">GHI th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng nhi\u1ec7t k\u1ebf b\u1ee9c x\u1ea1 ho\u1eb7c c\u1ea3m bi\u1ebfn b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi l\u1eafp \u0111\u1eb7t tr\u00ean b\u1ec1 m\u1eb7t n\u1eb1m ngang. DNI y\u00eau c\u1ea7u m\u1ed9t nhi\u1ec7t k\u1ebf \u0111o tr\u1ef1c x\u1ea1 g\u1eafn tr\u00ean b\u1ed9 theo d\u00f5i m\u1eb7t tr\u1eddi \u0111\u1ec3 li\u00ean t\u1ee5c theo d\u00f5i v\u1ecb tr\u00ed c\u1ee7a m\u1eb7t tr\u1eddi. DHI \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u1ed9t nhi\u1ec7t k\u1ebf b\u1ee9c x\u1ea1 c\u00f3 che ch\u1eafn, ng\u0103n ch\u1eb7n \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi tr\u1ef1c ti\u1ebfp v\u00e0 ch\u1ec9 ghi nh\u1eadn b\u1ee9c x\u1ea1 khu\u1ebfch t\u00e1n t\u1eeb m\u00e2y v\u00e0 s\u1ef1 t\u00e1n x\u1ea1 kh\u00ed quy\u1ec3n.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-5 kt-pane8741_f86bee-35\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\">GHI c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng m\u1ed9t m\u00ecnh \u0111\u1ec3 gi\u00e1m s\u00e1t hi\u1ec7u su\u1ea5t PV kh\u00f4ng?<\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\">GHI c\u00f3 th\u1ec3 cung c\u1ea5p th\u00f4ng tin c\u01a1 b\u1ea3n v\u1ec1 m\u1ee9c \u0111\u1ed9 kh\u1ea3 d\u1ee5ng t\u1ed5ng th\u1ec3 c\u1ee7a b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi, nh\u01b0ng n\u00f3 c\u00f3 th\u1ec3 kh\u00f4ng ph\u1ea3n \u00e1nh \u0111\u1ea7y \u0111\u1ee7 b\u1ee9c x\u1ea1 m\u00e0 c\u00e1c m\u00f4-\u0111un PV nghi\u00eang nh\u1eadn \u0111\u01b0\u1ee3c. \u0110\u1ec3 gi\u00e1m s\u00e1t hi\u1ec7u su\u1ea5t ch\u00ednh x\u00e1c, c\u00e1c nh\u00e0 v\u1eadn h\u00e0nh th\u01b0\u1eddng k\u1ebft h\u1ee3p GHI v\u1edbi b\u1ee9c x\u1ea1 POA, nhi\u1ec7t \u0111\u1ed9, t\u1ed1c \u0111\u1ed9 gi\u00f3 v\u00e0 c\u00e1c d\u1eef li\u1ec7u m\u00f4i tr\u01b0\u1eddng kh\u00e1c \u0111\u1ec3 so s\u00e1nh s\u1ea3n l\u01b0\u1ee3ng \u0111i\u1ec7n th\u1ef1c t\u1ebf v\u1edbi hi\u1ec7u su\u1ea5t h\u1ec7 th\u1ed1ng d\u1ef1 ki\u1ebfn.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-6 kt-pane8741_f0269d-1c\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\">T\u1ea1i sao \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a d\u1eef li\u1ec7u b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi l\u1ea1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng PV?<\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\">D\u1eef li\u1ec7u b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi ch\u00ednh x\u00e1c l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t PV \u0111\u00e1ng tin c\u1eady. C\u00e1c ph\u00e9p \u0111o b\u1ee9c x\u1ea1 k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn d\u1ef1 b\u00e1o n\u0103ng l\u01b0\u1ee3ng kh\u00f4ng ch\u00ednh x\u00e1c v\u00e0 g\u00e2y kh\u00f3 kh\u0103n trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh li\u1ec7u t\u1ed5n th\u1ea5t \u0111i\u1ec7n n\u0103ng do \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft hay s\u1ef1 c\u1ed1 thi\u1ebft b\u1ecb. Gi\u00e1m s\u00e1t b\u1ee9c x\u1ea1 ch\u1ea5t l\u01b0\u1ee3ng cao gi\u00fap c\u1ea3i thi\u1ec7n ch\u1ea9n \u0111o\u00e1n s\u1ef1 c\u1ed1, l\u1eadp k\u1ebf ho\u1ea1ch v\u1eadn h\u00e0nh v\u00e0 c\u00e1c quy\u1ebft \u0111\u1ecbnh b\u1ea3o tr\u00ec d\u00e0i h\u1ea1n.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-9 kt-pane8741_f6e89b-e3\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\">Nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0o \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c ph\u00e9p \u0111o GHI, DNI v\u00e0 DHI?<\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\">C\u00e1c ph\u00e9p \u0111o b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec1u y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau, bao g\u1ed3m v\u1ecb tr\u00ed m\u1eb7t tr\u1eddi, \u0111\u1ed9 che ph\u1ee7 m\u00e2y, sol kh\u00ed trong kh\u00ed quy\u1ec3n, \u0111\u1ed9 \u1ea9m v\u00e0 thay \u0111\u1ed5i theo m\u00f9a. Do \u0111i\u1ec1u ki\u1ec7n b\u1ee9c x\u1ea1 c\u00f3 th\u1ec3 thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 trong ng\u00e0y, c\u00e1c h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t chuy\u00ean nghi\u1ec7p y\u00eau c\u1ea7u c\u1ea3m bi\u1ebfn \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t v\u00e0 hi\u1ec7u chu\u1ea9n \u0111\u00fang c\u00e1ch \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u t\u00e0i nguy\u00ean m\u1eb7t tr\u1eddi nh\u1ea5t qu\u00e1n v\u00e0 \u0111\u00e1ng tin c\u1eady.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-10 kt-pane8741_1dd143-43\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\">L\u00e0m th\u1ebf n\u00e0o m\u1ed9t c\u1ea3m bi\u1ebfn b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t PV?<\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\">C\u1ea3m bi\u1ebfn b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi cung c\u1ea5p d\u1eef li\u1ec7u c\u01b0\u1eddng \u0111\u1ed9 b\u1ee9c x\u1ea1 theo th\u1eddi gian th\u1ef1c, c\u00f3 th\u1ec3 t\u00edch h\u1ee3p v\u1edbi c\u00e1c tr\u1ea1m kh\u00ed t\u01b0\u1ee3ng, b\u1ed9 ghi d\u1eef li\u1ec7u v\u00e0 n\u1ec1n t\u1ea3ng gi\u00e1m s\u00e1t PV. B\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p c\u00e1c ph\u00e9p \u0111o b\u1ee9c x\u1ea1 v\u1edbi c\u00e1c th\u00f4ng s\u1ed1 m\u00f4i tr\u01b0\u1eddng nh\u01b0 nhi\u1ec7t \u0111\u1ed9 v\u00e0 t\u1ed1c \u0111\u1ed9 gi\u00f3, ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n d\u1ef1 b\u00e1o n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi, ph\u00e2n t\u00edch hi\u1ec7u su\u1ea5t h\u1ec7 th\u1ed1ng v\u00e0 \u0111\u01b0a ra c\u00e1c quy\u1ebft \u0111\u1ecbnh v\u1eadn h\u00e0nh v\u00e0 b\u1ea3o tr\u00ec s\u00e1ng su\u1ed1t h\u01a1n.<\/p>\n<\/div><\/div><\/div>\n<\/div><\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>GHI, DNI, and DHI are three essential solar irradiance parameters used to evaluate solar resources and optimize photovoltaic system performance. This article explains the differences between Global Horizontal Irradiance (GHI), Direct Normal Irradiance (DNI), and Diffuse Horizontal Irradiance (DHI), their measurement methods, and their applications in PV systems, CSP plants, and solar monitoring projects. Understanding these parameters helps engineers select suitable solar radiation monitoring solutions for accurate energy assessment, performance analysis, and solar forecasting. Yantai Sensor provides reliable solar irradiance measurement solutions to support photovoltaic monitoring and renewable energy data acquisition.<\/p>","protected":false},"author":1,"featured_media":8772,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[11],"tags":[],"class_list":["post-8741","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"taxonomy_info":{"category":[{"value":11,"label":"Blog"}]},"featured_image_src_large":["https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/08\/GHI-vs-DNI-vs-DHI.webp",800,370,false],"author_info":{"display_name":"admin","author_link":"https:\/\/www.yantaisensor.com\/vi\/author\/admin"},"comment_info":0,"category_info":[{"term_id":11,"name":"Blog","slug":"blog","term_group":0,"term_taxonomy_id":11,"taxonomy":"category","description":"","parent":0,"count":88,"filter":"raw","cat_ID":11,"category_count":88,"category_description":"","cat_name":"Blog","category_nicename":"blog","category_parent":0}],"tag_info":false,"_links":{"self":[{"href":"https:\/\/www.yantaisensor.com\/vi\/wp-json\/wp\/v2\/posts\/8741","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yantaisensor.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yantaisensor.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yantaisensor.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yantaisensor.com\/vi\/wp-json\/wp\/v2\/comments?post=8741"}],"version-history":[{"count":31,"href":"https:\/\/www.yantaisensor.com\/vi\/wp-json\/wp\/v2\/posts\/8741\/revisions"}],"predecessor-version":[{"id":8880,"href":"https:\/\/www.yantaisensor.com\/vi\/wp-json\/wp\/v2\/posts\/8741\/revisions\/8880"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.yantaisensor.com\/vi\/wp-json\/wp\/v2\/media\/8772"}],"wp:attachment":[{"href":"https:\/\/www.yantaisensor.com\/vi\/wp-json\/wp\/v2\/media?parent=8741"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yantaisensor.com\/vi\/wp-json\/wp\/v2\/categories?post=8741"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yantaisensor.com\/vi\/wp-json\/wp\/v2\/tags?post=8741"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}