{"id":4100,"date":"2026-07-17T10:59:11","date_gmt":"2026-07-17T02:59:11","guid":{"rendered":"https:\/\/cnkuangya.com\/?p=4100"},"modified":"2026-07-17T10:59:14","modified_gmt":"2026-07-17T02:59:14","slug":"pv-reverse-current-protection","status":"publish","type":"post","link":"https:\/\/cnkuangya.com\/ar\/blog\/pv-reverse-current-protection\/","title":{"rendered":"\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0643\u0633\u064a \u0641\u064a \u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a\u0629: 9 \u0642\u0648\u0627\u0639\u062f \u062a\u0635\u0645\u064a\u0645 \u0644\u0645\u0635\u0641\u0648\u0641\u0627\u062a \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0634\u0645\u0633\u064a\u0629"},"content":{"rendered":"<h2 class=\"wp-block-heading\">\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0643\u0633\u064a \u0641\u064a \u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a\u0629 (PV): \u0625\u062c\u0627\u0628\u0629 \u0633\u0631\u064a\u0639\u0629<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0643\u0633\u064a \u0641\u064a \u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a\u0629<\/strong> \u062a\u0645\u0646\u0639 \u0633\u0644\u0627\u0633\u0644 \u0627\u0644\u0623\u0644\u0648\u0627\u062d \u0627\u0644\u0634\u0645\u0633\u064a\u0629 \u0627\u0644\u0633\u0644\u064a\u0645\u0629 \u0645\u0646 \u062a\u063a\u0630\u064a\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u0628\u0634\u0643\u0644 \u0639\u0643\u0633\u064a \u0625\u0644\u0649 \u0633\u0644\u0633\u0644\u0629 \u0645\u0639\u0637\u0644\u0629 \u0623\u0648 \u0645\u0638\u0644\u0644\u0629. \u0641\u064a \u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0635\u063a\u064a\u0631\u0629 \u0627\u0644\u062a\u064a \u062a\u062d\u062a\u0648\u064a \u0639\u0644\u0649 \u0633\u0644\u0633\u0644\u0629 \u0648\u0627\u062d\u062f\u0629 \u0623\u0648 \u0627\u062b\u0646\u062a\u064a\u0646\u060c \u0642\u062f \u064a\u0638\u0644 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0643\u0633\u064a \u0623\u0642\u0644 \u0645\u0646 \u062d\u062f \u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0648\u062d\u062f\u0629. \u0648\u0645\u0639 \u0630\u0644\u0643\u060c \u0641\u064a \u0627\u0644\u0645\u0635\u0641\u0648\u0641\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a\u0629 \u0627\u0644\u0643\u0628\u064a\u0631\u0629 \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u064a\u0629\u060c \u064a\u0645\u0643\u0646 \u0644\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0643\u0633\u064a \u0623\u0646 \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u0627\u0631\u062a\u0641\u0627\u0639 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0643\u0627\u0628\u0644\u0627\u062a\u060c \u0648\u062a\u0644\u0641 \u0627\u0644\u0648\u062d\u062f\u0627\u062a\u060c \u0648\u0627\u0646\u0635\u0647\u0627\u0631 \u0627\u0644\u0645\u0648\u0635\u0644\u0627\u062a\u060c \u0648\u062e\u0644\u0642 \u062e\u0637\u0631 \u0646\u0634\u0648\u0628 \u062d\u0631\u064a\u0642 \u0646\u0627\u062a\u062c \u0639\u0646 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 (DC).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u0623\u0643\u062b\u0631 \u0634\u064a\u0648\u0639\u0627\u064b \u0644\u0644\u062d\u0645\u0627\u064a\u0629 \u0647\u064a \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0635\u0647\u0631 (\u0641\u064a\u0648\u0632) \u0645\u0646 \u0646\u0648\u0639 gPV \u0628\u062d\u062c\u0645 \u0645\u0646\u0627\u0633\u0628 \u0641\u064a \u0643\u0644 \u0633\u0644\u0633\u0644\u0629\u060c \u064a\u062a\u0645 \u062a\u0631\u0643\u064a\u0628\u0647 \u062f\u0627\u062e\u0644 \u0635\u0646\u062f\u0648\u0642 \u062a\u062c\u0645\u064a\u0639 (Combiner Box) \u0623\u0648 \u062d\u0627\u0648\u064a\u0629 \u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0633\u0644\u0633\u0644\u0629. \u0627\u0639\u062a\u0645\u0627\u062f\u0627\u064b \u0639\u0644\u0649 \u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0646\u0638\u0627\u0645\u060c \u064a\u0645\u0643\u0646 \u0623\u064a\u0636\u0627\u064b \u062a\u0646\u0633\u064a\u0642 \u0642\u0648\u0627\u0637\u0639 \u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631\u060c \u0648\u0645\u0641\u0627\u062a\u064a\u062d \u0627\u0644\u0641\u0635\u0644\u060c \u0648\u0648\u062d\u062f\u0627\u062a \u0627\u0644\u0645\u0631\u0627\u0642\u0628\u0629\u060c \u0648\u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u0645\u0639 \u0646\u0638\u0627\u0645 \u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0645\u0635\u0647\u0631\u0627\u062a.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1339\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/07\/E696B0E59381E5B081E99DA23-scaled-1.jpg\" alt=\"PV reverse current protection with KUANGYA DC fuse, breaker and solar protection components\" class=\"wp-image-4110\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/07\/E696B0E59381E5B081E99DA23-scaled-1.jpg 2560w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/07\/E696B0E59381E5B081E99DA23-scaled-1-300x157.jpg 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/07\/E696B0E59381E5B081E99DA23-scaled-1-1024x536.jpg 1024w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/07\/E696B0E59381E5B081E99DA23-scaled-1-768x402.jpg 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/07\/E696B0E59381E5B081E99DA23-scaled-1-1536x803.jpg 1536w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/07\/E696B0E59381E5B081E99DA23-scaled-1-2048x1071.jpg 2048w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/07\/E696B0E59381E5B081E99DA23-scaled-1-18x9.jpg 18w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/07\/E696B0E59381E5B081E99DA23-scaled-1-600x314.jpg 600w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><figcaption class=\"wp-element-caption\">\u064a\u062c\u0628 \u062a\u0646\u0633\u064a\u0642 \u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0643\u0633\u064a \u0644\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a\u0629 \u0645\u0639 \u0645\u0635\u0647\u0631\u0627\u062a \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631\u060c \u0648\u0627\u0644\u0642\u0648\u0627\u0637\u0639\u060c \u0648\u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 (SPDs)\u060c \u0648\u0645\u0643\u0648\u0646\u0627\u062a \u062d\u0645\u0627\u064a\u0629 \u0635\u0646\u062f\u0648\u0642 \u0627\u0644\u062a\u062c\u0645\u064a\u0639 \u0645\u0646 \u0634\u0631\u0643\u0629 KUANGYA.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u0644\u0645\u0627\u0630\u0627 \u064a\u062d\u062f\u062b \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0643\u0633\u064a \u0641\u064a \u0645\u0635\u0641\u0648\u0641\u0627\u062a \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0634\u0645\u0633\u064a\u0629 \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a\u0629<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u062a\u0646\u062a\u062c \u0633\u0644\u0633\u0644\u0629 \u0627\u0644\u0623\u0644\u0648\u0627\u062d \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a\u0629 \u0627\u0644\u0648\u0627\u062d\u062f\u0629 \u0639\u0627\u062f\u0629\u064b \u062a\u064a\u0627\u0631 \u0642\u0635\u0631 \u0645\u062d\u062f\u0648\u062f. \u062a\u062a\u063a\u064a\u0631 \u0627\u0644\u0645\u062e\u0627\u0637\u0631 \u0639\u0646\u062f \u062a\u0648\u0635\u064a\u0644 \u0639\u062f\u0629 \u0633\u0644\u0627\u0633\u0644 \u0639\u0644\u0649 \u0627\u0644\u062a\u0648\u0627\u0632\u064a. \u0625\u0630\u0627 \u062a\u0639\u0631\u0636\u062a \u0625\u062d\u062f\u0649 \u0627\u0644\u0633\u0644\u0627\u0633\u0644 \u0644\u0639\u0637\u0644 \u0623\u0648 \u062a\u0638\u0644\u064a\u0644 \u0623\u0648 \u062a\u0644\u0641 \u0623\u0648 \u0642\u0635\u0631 \u0641\u064a \u0627\u0644\u062f\u0627\u0626\u0631\u0629\u060c \u0641\u0642\u062f \u062a\u0642\u0648\u0645 \u0627\u0644\u0633\u0644\u0627\u0633\u0644 \u0627\u0644\u0633\u0644\u064a\u0645\u0629 \u0627\u0644\u0623\u062e\u0631\u0649 \u0628\u062f\u0641\u0639 \u0627\u0644\u062a\u064a\u0627\u0631 \u0628\u0634\u0643\u0644 \u0639\u0643\u0633\u064a \u0625\u0644\u0649 \u0630\u0644\u0643 \u0627\u0644\u0645\u0633\u0627\u0631 \u0627\u0644\u0636\u0639\u064a\u0641.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u064a\u0633\u0645\u0649 \u0647\u0630\u0627 \u0627\u0644\u062a\u064a\u0627\u0631 \u0628\u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0643\u0633\u064a. \u0648\u0647\u0648 \u0644\u0627 \u064a\u0623\u062a\u064a \u0645\u0646 \u0627\u0644\u0634\u0628\u0643\u0629\u060c \u0628\u0644 \u064a\u0623\u062a\u064a \u0645\u0646 \u0633\u0644\u0627\u0633\u0644 \u0627\u0644\u0623\u0644\u0648\u0627\u062d \u0627\u0644\u0634\u0645\u0633\u064a\u0629 \u0627\u0644\u0645\u062a\u0635\u0644\u0629 \u0639\u0644\u0649 \u0627\u0644\u062a\u0648\u0627\u0632\u064a \u0648\u0627\u0644\u062a\u064a \u062a\u0638\u0644 \u0645\u0643\u0647\u0631\u0628\u0629 \u062a\u062d\u062a \u0636\u0648\u0621 \u0627\u0644\u0634\u0645\u0633. \u0648\u0644\u0647\u0630\u0627 \u0627\u0644\u0633\u0628\u0628 <strong>\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0643\u0633\u064a \u0641\u064a \u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a\u0629<\/strong> \u064a\u062c\u0628 \u062a\u0635\u0645\u064a\u0645\u0647 \u0641\u064a \u062c\u0627\u0646\u0628 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 (DC) \u0644\u0646\u0638\u0627\u0645 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0634\u0645\u0633\u064a\u0629\u060c \u0648\u0644\u064a\u0633 \u0641\u0642\u0637 \u0639\u0646\u062f \u0627\u0644\u0639\u0627\u0643\u0633 \u0623\u0648 \u0644\u0648\u062d\u0629 \u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062a\u0631\u062f\u062f (AC).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0645\u062a\u0649 \u064a\u0635\u0628\u062d \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0643\u0633\u064a \u0641\u064a \u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0634\u0645\u0633\u064a\u0629 \u062e\u0637\u064a\u0631\u0627\u064b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u064a\u0639\u062f \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0643\u0633\u064a \u0645\u0647\u0645\u0627\u064b \u0628\u0634\u0643\u0644 \u062e\u0627\u0635 \u0641\u064a \u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0623\u0633\u0637\u062d \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629\u060c \u0648\u0645\u062d\u0637\u0627\u062a \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0634\u0645\u0633\u064a\u0629 \u0648\u0627\u0633\u0639\u0629 \u0627\u0644\u0646\u0637\u0627\u0642\u060c \u0648\u0635\u0646\u0627\u062f\u064a\u0642 \u0627\u0644\u062a\u062c\u0645\u064a\u0639 \u0630\u0627\u062a \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0627\u0644\u064a\u060c \u0648\u0645\u0635\u0641\u0648\u0641\u0627\u062a \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 \u0628\u062c\u0647\u062f 1500 \u0641\u0648\u0644\u062a. \u062a\u0632\u062f\u0627\u062f \u0627\u0644\u0645\u062e\u0627\u0637\u0631 \u0639\u0646\u062f\u0645\u0627 \u064a\u062d\u062a\u0648\u064a \u0627\u0644\u0646\u0638\u0627\u0645 \u0639\u0644\u0649:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u062b\u0644\u0627\u062b \u0633\u0644\u0627\u0633\u0644 \u0645\u0646 \u0627\u0644\u0623\u0644\u0648\u0627\u062d \u0627\u0644\u0634\u0645\u0633\u064a\u0629 \u0623\u0648 \u0623\u0643\u062b\u0631 \u0645\u062a\u0635\u0644\u0629 \u0639\u0644\u0649 \u0627\u0644\u062a\u0648\u0627\u0632\u064a<\/li>\n\n\n\n<li>\u062a\u064a\u0627\u0631 \u0642\u0635\u0631 (Short-circuit current) \u0639\u0627\u0644\u064d \u0644\u0644\u0623\u0644\u0648\u0627\u062d<\/li>\n\n\n\n<li>\u062a\u0645\u062f\u064a\u062f\u0627\u062a \u0643\u0627\u0628\u0644\u0627\u062a \u062a\u064a\u0627\u0631 \u0645\u0633\u062a\u0645\u0631 \u062e\u0627\u0631\u062c\u064a\u0629 \u0637\u0648\u064a\u0644\u0629<\/li>\n\n\n\n<li>\u0635\u0646\u0627\u062f\u064a\u0642 \u062a\u062c\u0645\u064a\u0639 \u0645\u0639\u0631\u0636\u0629 \u0644\u062f\u0631\u062c\u0627\u062a \u062d\u0631\u0627\u0631\u0629 \u0645\u062d\u064a\u0637\u0629 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class=\"wp-block-paragraph\">\u0625\u0630\u0627 \u062a\u062c\u0627\u0648\u0632 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0643\u0633\u064a \u0633\u0639\u0629 \u062a\u062d\u0645\u0644 \u0627\u0644\u0643\u0627\u0628\u0644\u060c \u0623\u0648 \u0627\u0644\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0645\u0642\u0646\u0646 \u0644\u0644\u0645\u0648\u0635\u0644\u060c \u0623\u0648 \u062a\u0635\u0646\u064a\u0641 \u0645\u0635\u0647\u0631 \u0627\u0644\u0633\u0644\u0633\u0644\u0629 \u0627\u0644\u0623\u0642\u0635\u0649 \u0644\u0644\u0648\u062d\u062f\u0629\u060c \u0641\u0642\u062f \u064a\u062d\u062f\u062b \u0627\u0631\u062a\u0641\u0627\u0639 \u0645\u0648\u0636\u0639\u064a \u0641\u064a \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0642\u0628\u0644 \u0623\u0646 \u064a\u0643\u062a\u0634\u0641 \u0627\u0644\u0639\u0627\u0643\u0633 \u0648\u062c\u0648\u062f \u0639\u0637\u0644 \u062c\u0633\u064a\u0645.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0643\u064a\u0641 \u062a\u0648\u0641\u0631 \u0645\u0635\u0647\u0631\u0627\u062a gPV \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0643\u0633\u064a \u0641\u064a \u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a\u0629<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0635\u064f\u0645\u0645 \u0645\u0635\u0647\u0631 gPV \u0644\u0644\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a\u0629\u060c \u0648\u0647\u0648 \u064a\u062e\u062a\u0644\u0641 \u0639\u0646 \u0627\u0644\u0645\u0635\u0647\u0631\u0627\u062a \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u0627\u0644\u0639\u0627\u0645\u0629. \u064a\u0645\u0643\u0646 \u0644\u0645\u0635\u0647\u0631 gPV \u0627\u0644\u0645\u062e\u062a\u0627\u0631 \u0628\u0634\u0643\u0644 \u0635\u062d\u064a\u062d \u0642\u0637\u0639 \u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0637\u0644 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href=\"https:\/\/cnkuangya.com\/ar\/dc-fuse\/\">\u062d\u0644\u0648\u0644 \u0645\u0635\u0627\u0647\u0631 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0646\u0627<\/a> \u0644\u0645\u0634\u0627\u0631\u064a\u0639 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0634\u0645\u0633\u064a\u0629 \u0628\u062c\u0647\u062f 1000 \u0641\u0648\u0644\u062a \u06481500 \u0641\u0648\u0644\u062a.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0645\u062a\u0649 \u062a\u0643\u0648\u0646 \u0645\u0635\u0647\u0631\u0627\u062a \u0627\u0644\u0633\u0644\u0633\u0644\u0629 (string fuses) \u0645\u0637\u0644\u0648\u0628\u0629\u061f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u062a\u0639\u062a\u0645\u062f \u0627\u0644\u0642\u0627\u0639\u062f\u0629 \u0627\u0644\u0647\u0646\u062f\u0633\u064a\u0629 \u0639\u0644\u0649 \u0639\u062f\u062f \u0627\u0644\u0633\u0644\u0627\u0633\u0644 \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u064a\u0629\u060c \u0648\u0627\u0644\u062d\u062f \u0627\u0644\u0623\u0642\u0635\u0649 \u0644\u062a\u0635\u0646\u064a\u0641 \u0645\u0635\u0647\u0631 \u0627\u0644\u0633\u0644\u0633\u0644\u0629 \u0644\u0644\u0648\u062d\u062f\u0629\u060c \u0648\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0643\u0633 \u0627\u0644\u0645\u062a\u0627\u062d\u060c \u0648\u0627\u0644\u0643\u0648\u062f \u0627\u0644\u0645\u062d\u0644\u064a \u0627\u0644\u0645\u0639\u0645\u0648\u0644 \u0628\u0647. \u0643\u0639\u0627\u062f\u0629 \u062a\u0635\u0645\u064a\u0645 \u0639\u0645\u0644\u064a\u0629\u060c \u064a\u062c\u0628 \u0639\u0644\u0649 \u0627\u0644\u0645\u0647\u0646\u062f\u0633\u064a\u0646 \u062d\u0633\u0627\u0628 \u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0642\u0627\u062f\u0645 \u0645\u0646 \u0627\u0644\u0633\u0644\u0627\u0633\u0644 \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u064a\u0629 \u0627\u0644\u0623\u062e\u0631\u0649 \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u062a\u062c\u0627\u0648\u0632 \u0627\u0644\u062d\u062f \u0627\u0644\u0622\u0645\u0646 \u0644\u0633\u0644\u0633\u0644\u0629 \u0648\u0627\u062d\u062f\u0629 \u0645\u0639\u0637\u0644\u0629.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u0625\u0630\u0627 \u062a\u0639\u0637\u0644\u062a \u0633\u0644\u0633\u0644\u0629 \u0648\u0627\u062d\u062f\u0629 \u0648\u0643\u0627\u0646\u062a \u062e\u0645\u0633 \u0633\u0644\u0627\u0633\u0644 \u0633\u0644\u064a\u0645\u0629 \u0642\u0627\u062f\u0631\u0629 \u0639\u0644\u0649 \u062a\u063a\u0630\u064a\u062a\u0647\u0627 \u0628\u0627\u0644\u062a\u064a\u0627\u0631\u060c \u0641\u0642\u062f \u064a\u0635\u0628\u062d \u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0643\u0633 \u0623\u0639\u0644\u0649 \u0628\u0639\u062f\u0629 \u0645\u0631\u0627\u062a \u0645\u0646 \u062a\u064a\u0627\u0631 \u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0633\u0644\u0633\u0644\u0629 \u0627\u0644\u0639\u0627\u062f\u064a. \u0641\u064a \u0647\u0630\u0647 \u0627\u0644\u062d\u0627\u0644\u0629\u060c, <strong>\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0643\u0633\u064a \u0641\u064a \u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a\u0629<\/strong> \u064a\u0635\u0628\u062d \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0635\u0647\u0631\u0627\u062a gPV \u0639\u0644\u0649 \u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0633\u0644\u0633\u0644\u0629 \u0623\u0645\u0631\u0627\u064b \u0636\u0631\u0648\u0631\u064a\u0627\u064b.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0645\u062b\u0627\u0644 \u0639\u0644\u0649 \u062d\u0633\u0627\u0628 \u062d\u0645\u0627\u064a\u0629 \u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0643\u0633 \u0641\u064a \u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a\u0629 (PV).<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0641\u062a\u0631\u0636 \u0623\u0646 \u0627\u0644\u0648\u062d\u062f\u0629 \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a\u0629 \u0644\u062f\u064a\u0647\u0627:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u062a\u064a\u0627\u0631 \u0627\u0644\u0642\u0635\u0631 (Isc): 14 \u0623\u0645\u0628\u064a\u0631<\/li>\n\n\n\n<li>\u0623\u0642\u0635\u0649 \u062a\u0635\u0646\u064a\u0641 \u0644\u0645\u0635\u0647\u0631 \u0627\u0644\u062a\u0648\u0627\u0644\u064a: 25 \u0623\u0645\u0628\u064a\u0631<\/li>\n\n\n\n<li>\u0633\u062a \u0633\u0644\u0627\u0633\u0644 \u0645\u062a\u0635\u0644\u0629 \u0639\u0644\u0649 \u0627\u0644\u062a\u0648\u0627\u0632\u064a<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0625\u0630\u0627 \u062d\u062f\u062b \u0639\u0637\u0644 \u0641\u064a \u0633\u0644\u0633\u0644\u0629 \u0648\u0627\u062d\u062f\u0629\u060c \u0641\u0642\u062f \u062a\u0642\u0648\u0645 \u0627\u0644\u0633\u0644\u0627\u0633\u0644 \u0627\u0644\u062e\u0645\u0633 \u0627\u0644\u0623\u062e\u0631\u0649 \u0628\u062a\u063a\u0630\u064a\u0629 \u062a\u064a\u0627\u0631 \u0639\u0643\u0633\u064a \u0625\u0644\u064a\u0647\u0627. \u0627\u0644\u062a\u0642\u062f\u064a\u0631 \u0627\u0644\u0645\u0628\u0633\u0637 \u0647\u0648:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0643\u0633\u064a \u2248 (\u0639\u062f\u062f \u0627\u0644\u0633\u0644\u0627\u0633\u0644 \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u064a\u0629 \u2212 1) \u00d7 \u062a\u064a\u0627\u0631 \u0627\u0644\u0642\u0635\u0631 (Isc)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0643\u0633\u064a \u2248 5 \u00d7 14 \u0623\u0645\u0628\u064a\u0631 = 70 \u0623\u0645\u0628\u064a\u0631<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0647\u0630\u0647 \u0627\u0644\u0642\u064a\u0645\u0629 \u0623\u0639\u0644\u0649 \u0628\u0643\u062b\u064a\u0631 \u0645\u0646 \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u0642\u0635\u0649 \u0644\u062a\u0635\u0646\u064a\u0641 \u0645\u0635\u0647\u0631 \u0627\u0644\u0633\u0644\u0633\u0644\u0629 \u0644\u0644\u0648\u062d\u062f\u0629 \u0627\u0644\u0628\u0627\u0644\u063a 25 \u0623\u0645\u0628\u064a\u0631. \u0628\u062f\u0648\u0646 \u0645\u0635\u0647\u0631\u0627\u062a \u0627\u0644\u0633\u0644\u0633\u0644\u0629\u060c \u0642\u062f \u062a\u062a\u0639\u0631\u0636 \u0623\u0633\u0644\u0627\u0643 \u0627\u0644\u0648\u062d\u062f\u0629 \u0648\u0627\u0644\u0645\u0648\u0635\u0644\u0627\u062a \u0644\u062a\u064a\u0627\u0631 \u062e\u0637\u064a\u0631. \u0645\u0639 \u0627\u062e\u062a\u064a\u0627\u0631 \u0645\u0635\u0647\u0631\u0627\u062a gPV \u0628\u0634\u0643\u0644 \u0635\u062d\u064a\u062d\u060c \u064a\u0645\u0643\u0646 \u0639\u0632\u0644 \u0627\u0644\u0633\u0644\u0633\u0644\u0629 \u0627\u0644\u0645\u0639\u0637\u0644\u0629.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u062a\u0646\u0633\u064a\u0642 \u0627\u0644\u0645\u0635\u0647\u0631 \u0648\u0627\u0644\u0642\u0627\u0637\u0639 \u0648\u062c\u0647\u0627\u0632 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 (SPD)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0643\u0633\u064a \u0641\u064a \u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a\u0629 \u0647\u0648 \u0645\u062c\u0631\u062f \u0646\u0645\u0637 \u0648\u0627\u062d\u062f \u0645\u0646 \u0623\u0646\u0645\u0627\u0637 \u0627\u0644\u0623\u0639\u0637\u0627\u0644. \u064a\u062c\u0628 \u0623\u0646 \u064a\u0646\u0633\u0642 \u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0643\u0627\u0645\u0644 \u0644\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 \u0628\u064a\u0646 \u0639\u062f\u0629 \u0623\u062c\u0647\u0632\u0629:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0645\u0635\u0647\u0631 gPV:<\/strong> \u064a\u0639\u0632\u0644 \u0623\u0639\u0637\u0627\u0644 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0643\u0633\u064a \u0648\u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0632\u0627\u0626\u062f \u0639\u0644\u0649 \u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0633\u0644\u0633\u0644\u0629.<\/li>\n\n\n\n<li><strong>\u0642\u0627\u0637\u0639 \u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631:<\/strong> \u064a\u0648\u0641\u0631 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u062a\u0628\u062f\u064a\u0644 \u0648\u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0632\u0627\u0626\u062f \u0639\u0644\u0649 \u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0645\u063a\u0630\u064a \u0623\u0648 \u0645\u062f\u062e\u0644 \u0627\u0644\u0639\u0627\u0643\u0633.<\/li>\n\n\n\n<li><strong>\u062c\u0647\u0627\u0632 \u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0646\u062f\u0641\u0627\u0639 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 (DC SPD):<\/strong> \u064a\u062d\u062f \u0645\u0646 \u0627\u0644\u0627\u0646\u062f\u0641\u0627\u0639\u0627\u062a \u0627\u0644\u0646\u0627\u062a\u062c\u0629 \u0639\u0646 \u0627\u0644\u0635\u0648\u0627\u0639\u0642 \u0648\u0639\u0645\u0644\u064a\u0627\u062a \u0627\u0644\u062a\u0628\u062f\u064a\u0644.<\/li>\n\n\n\n<li><strong>\u0645\u0641\u062a\u0627\u062d \u0641\u0635\u0644 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631:<\/strong> \u064a\u0648\u0641\u0631 \u0639\u0632\u0644\u0627\u064b \u064a\u062f\u0648\u064a\u0627\u064b \u0622\u0645\u0646\u0627\u064b \u0644\u0623\u063a\u0631\u0627\u0636 \u0627\u0644\u0635\u064a\u0627\u0646\u0629.<\/li>\n\n\n\n<li><strong>\u0648\u062d\u062f\u0629 \u0627\u0644\u0645\u0631\u0627\u0642\u0628\u0629:<\/strong> \u062a\u0643\u062a\u0634\u0641 \u0627\u062a\u062c\u0627\u0647\u0627\u062a \u062a\u064a\u0627\u0631 \u0627\u0644\u0633\u0644\u0633\u0644\u0629 \u063a\u064a\u0631 \u0627\u0644\u0637\u0628\u064a\u0639\u064a\u0629 \u0641\u064a \u0648\u0642\u062a \u0645\u0628\u0643\u0631.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0644\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u0645\u0633\u0627\u0631 \u062d\u0645\u0627\u064a\u0629 \u0645\u0646\u0633\u0642\u060c \u0631\u0627\u062c\u0639 <a href=\"https:\/\/cnkuangya.com\/ar\/dc-mcb\/\">\u0633\u0644\u0633\u0644\u0629 \u0642\u0648\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0644\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 (DC)<\/a>, <a href=\"https:\/\/cnkuangya.com\/ar\/dc-spd\/\">\u0645\u0646\u062a\u062c\u0627\u062a \u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0646\u062f\u0641\u0627\u0639 \u0627\u0644\u062a\u064a\u0627\u0631 (SPD) \u0644\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631<\/a> \u0648 <a href=\"https:\/\/cnkuangya.com\/ar\/pv-combiner-box\/\">\u062d\u0644\u0648\u0644 \u0635\u0646\u0627\u062f\u064a\u0642 \u062a\u062c\u0645\u064a\u0639 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0634\u0645\u0633\u064a\u0629 \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a\u0629 (PV)<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0623\u062e\u0637\u0627\u0621 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0641\u062a\u0631\u0627\u0636 \u0623\u0646 \u0627\u0644\u0639\u0627\u0643\u0633 (Inverter) \u0648\u062d\u062f\u0647 \u064a\u0645\u0643\u0646\u0647 \u0625\u064a\u0642\u0627\u0641 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0643\u0633\u064a \u062f\u0627\u062e\u0644 \u0627\u0644\u0645\u0635\u0641\u0648\u0641\u0629<\/li>\n\n\n\n<li>\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0635\u0647\u0631\u0627\u062a \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062a\u0631\u062f\u062f (AC) \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0645\u0635\u0647\u0631\u0627\u062a \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 \u0627\u0644\u0645\u0635\u0646\u0641\u0629 \u0628\u0646\u0638\u0627\u0645 gPV<\/li>\n\n\n\n<li>\u0632\u064a\u0627\u062f\u0629 \u062d\u062c\u0645 \u0627\u0644\u0645\u0635\u0647\u0631 \u0639\u0646 \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u0642\u0635\u0649 \u0644\u062a\u0635\u0646\u064a\u0641 \u0645\u0635\u0647\u0631 \u0627\u0644\u0633\u0644\u0633\u0644\u0629 \u0627\u0644\u062e\u0627\u0635 \u0628\u0627\u0644\u0648\u062d\u062f\u0629<\/li>\n\n\n\n<li>\u062a\u062c\u0627\u0647\u0644 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0645\u062d\u064a\u0637\u0629 \u0627\u0644\u0645\u0631\u062a\u0641\u0639\u0629 \u062f\u0627\u062e\u0644 \u0635\u0646\u062f\u0648\u0642 \u0627\u0644\u062a\u062c\u0645\u064a\u0639 \u0627\u0644\u0645\u063a\u0644\u0642<\/li>\n\n\n\n<li>\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u062d\u0627\u0645\u0644 \u0645\u0635\u0647\u0631 \u063a\u064a\u0631 \u0645\u0639\u062a\u0645\u062f \u0644\u0648\u0635\u0644\u0629 \u0627\u0644\u0645\u0635\u0647\u0631 \u0627\u0644\u0645\u062e\u062a\u0627\u0631\u0629<\/li>\n\n\n\n<li>\u062a\u0631\u0643 \u0627\u0644\u0633\u0644\u0627\u0633\u0644 (Strings) \u0628\u062f\u0648\u0646 \u062a\u0633\u0645\u064a\u0629\u060c \u0645\u0645\u0627 \u064a\u062c\u0639\u0644 \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0623\u0639\u0637\u0627\u0644 \u0628\u0637\u064a\u0626\u0627\u064b<\/li>\n\n\n\n<li>\u0646\u0633\u064a\u0627\u0646 \u0623\u0646 \u0633\u0644\u0627\u0633\u0644 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0634\u0645\u0633\u064a\u0629 \u062a\u0638\u0644 \u0645\u0643\u0647\u0631\u0628\u0629 \u062a\u062d\u062a \u0636\u0648\u0621 \u0627\u0644\u0634\u0645\u0633<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u0642\u0627\u0626\u0645\u0629 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u0645\u0634\u062a\u0631\u064a\u0627\u062a<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0642\u0628\u0644 \u0627\u0644\u0645\u0648\u0627\u0641\u0642\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0644\u0640 <strong>\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0643\u0633\u064a \u0641\u064a \u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a\u0629<\/strong>, \u060c \u0627\u0637\u0644\u0628 \u0645\u0646 \u0627\u0644\u0645\u0648\u0631\u062f \u0645\u0627 \u064a\u0644\u064a:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u062a\u0635\u0646\u064a\u0641 \u062c\u0647\u062f \u0627\u0644\u0646\u0638\u0627\u0645: 1000 \u0641\u0648\u0644\u062a \u062a\u064a\u0627\u0631 \u0645\u0633\u062a\u0645\u0631 \u0623\u0648 1500 \u0641\u0648\u0644\u062a \u062a\u064a\u0627\u0631 \u0645\u0633\u062a\u0645\u0631<\/li>\n\n\n\n<li>\u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0645\u0639\u0627\u064a\u064a\u0631 \u0648\u0634\u0647\u0627\u062f\u0627\u062a \u0635\u0645\u0627\u0645\u0627\u062a gPV<\/li>\n\n\n\n<li>\u0646\u0637\u0627\u0642 \u062a\u064a\u0627\u0631 \u0627\u0644\u0635\u0645\u0627\u0645 \u0648\u0642\u062f\u0631\u0629 \u0627\u0644\u0642\u0637\u0639<\/li>\n\n\n\n<li>\u0628\u064a\u0627\u0646\u0627\u062a \u062a\u0648\u0627\u0641\u0642 \u062d\u0627\u0645\u0644 \u0627\u0644\u0635\u0645\u0627\u0645<\/li>\n\n\n\n<li>\u0645\u0639\u0644\u0648\u0645\u0627\u062a \u062e\u0641\u0636 \u0627\u0644\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u062d\u0631\u0627\u0631\u064a<\/li>\n\n\n\n<li>\u0642\u064a\u0645 \u0639\u0632\u0645 \u0627\u0644\u062f\u0648\u0631\u0627\u0646 \u0627\u0644\u0645\u0648\u0635\u0649 \u0628\u0647\u0627<\/li>\n\n\n\n<li>\u0645\u062e\u0637\u0637 \u062a\u0648\u0635\u064a\u0644 \u0635\u0646\u062f\u0648\u0642 \u0627\u0644\u062a\u062c\u0645\u064a\u0639<\/li>\n\n\n\n<li>\u0623\u0631\u0642\u0627\u0645 \u0642\u0637\u0639 \u063a\u064a\u0627\u0631 \u0627\u0644\u0635\u0645\u0627\u0645\u0627\u062a<\/li>\n\n\n\n<li>\u062e\u064a\u0627\u0631\u0627\u062a \u0627\u0644\u0639\u0644\u0627\u0645\u0629 \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629 \u0623\u0648 \u0648\u0636\u0639 \u0627\u0644\u0645\u0644\u0635\u0642\u0627\u062a \u0644\u0644\u0645\u0635\u0646\u0639 \u0627\u0644\u0623\u0635\u0644\u064a (OEM) \u0639\u0646\u062f \u0627\u0644\u062d\u0627\u062c\u0629<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u062d\u0648\u0644 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0643\u0633\u064a \u0641\u064a \u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a\u0629<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u0647\u0644 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0643\u0633\u064a \u0636\u0631\u0648\u0631\u064a\u0629 \u0644\u0643\u0644 \u0646\u0638\u0627\u0645 \u0637\u0627\u0642\u0629 \u0634\u0645\u0633\u064a\u0629\u061f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0644\u0627. \u0642\u062f \u0644\u0627 \u062a\u062a\u0637\u0644\u0628 \u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0635\u063a\u064a\u0631\u0629 \u062c\u062f\u0627\u064b \u0635\u0645\u0627\u0645\u0627\u062a (\u0641\u064a\u0648\u0632\u0627\u062a) \u0644\u0644\u0633\u0644\u0627\u0633\u0644 \u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0643\u0633\u064a \u0644\u0627 \u064a\u062a\u062c\u0627\u0648\u0632 \u062d\u062f \u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0623\u0644\u0648\u0627\u062d. \u0623\u0645\u0627 \u0627\u0644\u0645\u0635\u0641\u0648\u0641\u0627\u062a \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u064a\u0629 \u0627\u0644\u0623\u0643\u0628\u0631 \u062d\u062c\u0645\u0627\u064b \u0641\u064a\u062c\u0628 \u0641\u062d\u0635\u0647\u0627 \u062f\u0627\u0626\u0645\u0627\u064b \u0628\u0639\u0646\u0627\u064a\u0629.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0647\u0644 \u064a\u0645\u0643\u0646 \u0644\u0642\u0627\u0637\u0639 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 (DC breaker) \u0623\u0646 \u064a\u062d\u0644 \u0645\u062d\u0644 \u0635\u0645\u0627\u0645 gPV\u061f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0641\u064a \u0628\u0639\u0636 \u0627\u0644\u0623\u062d\u064a\u0627\u0646 \u064a\u0645\u0643\u0646 \u0644\u0642\u0627\u0637\u0639 \u062a\u064a\u0627\u0631 \u0645\u0633\u062a\u0645\u0631 \u0630\u0648 \u062a\u0635\u0646\u064a\u0641 \u0645\u0646\u0627\u0633\u0628 \u0623\u0646 \u064a\u0648\u0641\u0631 \u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0632\u0627\u0626\u062f\u060c \u0644\u0643\u0646 \u0627\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u062a\u0635\u0645\u064a\u0645\u0627\u062a \u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a\u0629 \u0644\u0627 \u062a\u0632\u0627\u0644 \u062a\u0633\u062a\u062e\u062f\u0645 \u0635\u0645\u0627\u0645\u0627\u062a gPV \u0644\u0639\u0632\u0644 \u0627\u0644\u0623\u0639\u0637\u0627\u0644 \u0628\u0633\u0631\u0639\u0629 \u0639\u0644\u0649 \u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0633\u0644\u0633\u0644\u0629. \u064a\u0639\u062a\u0645\u062f \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0639\u0644\u0649 \u0627\u0644\u062c\u0647\u062f\u060c \u0648\u0627\u0644\u062a\u064a\u0627\u0631\u060c \u0648\u0642\u062f\u0631\u0629 \u0627\u0644\u0642\u0637\u0639\u060c \u0648\u0627\u0644\u062a\u0646\u0633\u064a\u0642\u060c \u0648\u0627\u062d\u062a\u064a\u0627\u062c\u0627\u062a \u0627\u0644\u0635\u064a\u0627\u0646\u0629.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0647\u0644 \u064a\u062d\u0645\u064a \u062c\u0647\u0627\u0632 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u0635\u0648\u0627\u0639\u0642 (SPD) \u0645\u0646 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0643\u0633\u064a\u061f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0644\u0627. \u064a\u0639\u0645\u0644 \u062c\u0647\u0627\u0632 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u0635\u0648\u0627\u0639\u0642 \u0639\u0644\u0649 \u0627\u0644\u062d\u062f \u0645\u0646 \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0632\u0627\u0626\u062f \u0627\u0644\u0639\u0627\u0628\u0631\u060c \u0648\u0644\u0627 \u064a\u0642\u0648\u0645 \u0628\u0642\u0637\u0639 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0643\u0633\u064a \u0627\u0644\u0645\u0633\u062a\u0645\u0631. \u0627\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0635\u0645\u0627\u0645 \u0623\u0648 \u0627\u0644\u0642\u0627\u0637\u0639 \u0627\u0644\u0635\u062d\u064a\u062d \u0644\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0632\u0627\u0626\u062f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0645\u0627 \u0647\u064a \u0627\u0644\u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0627\u0644\u062a\u064a \u064a\u062c\u0628 \u0623\u0646 \u0623\u0631\u0633\u0644\u0647\u0627 \u0625\u0644\u0649 \u0634\u0631\u0643\u0629 KUANGYA\u061f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0623\u0631\u0633\u0644 \u062c\u0647\u062f \u0627\u0644\u0646\u0638\u0627\u0645\u060c \u0648\u062a\u064a\u0627\u0631 \u0627\u0644\u0642\u0635\u0631 (Isc) \u0644\u0644\u0648\u062d\u062f\u0629\u060c \u0648\u0627\u0644\u062d\u062f \u0627\u0644\u0623\u0642\u0635\u0649 \u0644\u062a\u0635\u0646\u064a\u0641 \u0645\u0635\u0647\u0631 \u0627\u0644\u062a\u0648\u0627\u0644\u064a \u0644\u0644\u0648\u062d\u062f\u0629\u060c \u0648\u0639\u062f\u062f \u0627\u0644\u0633\u0644\u0627\u0633\u0644 \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u064a\u0629\u060c \u0648\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062d\u0627\u0648\u064a\u0629\u060c \u0648\u0646\u0648\u0639 \u0627\u0644\u0645\u0635\u0647\u0631 \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u060c \u0648\u0645\u0639\u064a\u0627\u0631 \u0627\u0644\u0633\u0648\u0642 \u0627\u0644\u0645\u0633\u062a\u0647\u062f\u0641. \u064a\u0645\u0643\u0646 \u0644\u0634\u0631\u0643\u0629 KUANGYA \u0627\u0644\u0645\u0633\u0627\u0639\u062f\u0629 \u0641\u064a \u0645\u0637\u0627\u0628\u0642\u0629 \u0627\u0644\u0645\u0635\u0647\u0631\u0627\u062a\u060c \u0648\u062d\u0648\u0627\u0645\u0644 \u0627\u0644\u0645\u0635\u0647\u0631\u0627\u062a\u060c \u0648\u0627\u0644\u0642\u0648\u0627\u0637\u0639\u060c \u0648\u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 (SPDs)\u060c \u0648\u062a\u0635\u0645\u064a\u0645\u0627\u062a \u0635\u0646\u0627\u062f\u064a\u0642 \u0627\u0644\u062a\u062c\u0645\u064a\u0639.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0627\u0644\u0645\u0631\u0627\u062c\u0639 \u0627\u0644\u0647\u0646\u062f\u0633\u064a\u0629<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">For technical background, see the official IEC pages for <a href=\"https:\/\/webstore.iec.ch\/en\/publication\/68843\" rel=\"noopener\">IEC 60269-6 photovoltaic fuse-links<\/a> \u0648 <a href=\"https:\/\/webstore.iec.ch\/en\/publication\/64171\" rel=\"noopener\">IEC 62548-1 PV array design requirements<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0627\u0644\u062e\u0627\u062a\u0645\u0629<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0643\u0633\u064a \u0641\u064a \u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a\u0629<\/strong> is essential whenever parallel PV strings can feed dangerous current into a faulted string. Correctly selected gPV fuses, compatible fuse holders, DC breakers, SPDs and combiner box layouts reduce the risk of overheating, equipment damage and fire.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PV reverse current protection commissioning checklist<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">After the design is finished, PV reverse current protection should be checked again during installation and commissioning. Many array problems are not caused by the fuse rating itself, but by wrong polarity, loose terminals, mixed string layouts or a protection device installed in the wrong position. A short field checklist helps EPC teams avoid expensive rework before the combiner box is energized.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Confirm string quantity before choosing fuse positions<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">For small systems with only one or two parallel strings, reverse current may stay below the module maximum series fuse rating. For larger commercial arrays, each string normally needs a properly rated gPV fuse or equivalent DC protection. The installer should compare the actual number of parallel strings with the electrical drawing, because adding one extra string in the field can change the reverse current calculation.<\/p>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>Check polarity and terminal torque<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">PV reverse current protection works only when the current path is correctly wired. Before closing the DC isolator, technicians should verify positive and negative polarity with a meter, inspect fuse holder markings and tighten terminals according to the manufacturer torque value. A loose DC terminal can heat up under normal operating current and become more dangerous during a fault event.<\/p>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li>Match protection devices with real DC voltage<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Do not select a fuse holder, DC breaker or combiner box only by current rating. The maximum open-circuit voltage of the array, low temperature correction and system voltage class must be considered. If the device voltage rating is too low, the arc may not be interrupted safely when a reverse current fault happens.<\/p>\n\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li>Keep spare parts consistent<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Maintenance teams should keep spare gPV fuse links with the same voltage class, breaking capacity and current rating used in the original design. Replacing a blown fuse with a general-purpose AC fuse or a random DC fuse can remove the protection margin and make later troubleshooting very difficult.<\/p>\n\n\n\n<ol start=\"5\" class=\"wp-block-list\">\n<li>Document the final protection scheme<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">A good PV reverse current protection plan should be visible in the as-built drawings. Mark string fuse ratings, DC breaker ratings, SPD position and combiner box model clearly. This documentation helps owners, inspectors and maintenance teams understand why the selected KUANGYA DC protection components were used and how to replace them correctly in future service.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For distributors and EPC buyers, this final documentation is also useful when comparing suppliers. A complete DC protection package should include the fuse, fuse holder, DC MCB, DC SPD and combiner box in one coordinated scheme, not separate parts selected without system-level checking.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Procurement note: PV reverse current protection should be reviewed as a complete DC safety package. PV reverse current protection depends on fuse holder quality, DC breaker coordination and combiner box layout. For 1000V and 1500V projects, PV reverse current protection should be confirmed with module Isc, maximum series fuse rating and parallel string quantity.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">KUANGYA provides solar DC protection components for PV strings, combiner boxes, inverters and energy storage systems. If you are designing a 1000V or 1500V PV project, contact KUANGYA with your electrical parameters for a protection recommendation.<\/p>","protected":false},"excerpt":{"rendered":"<p>PV reverse current protection: quick answer PV reverse current protection prevents healthy solar strings from feeding current backward into a faulted or shaded string. In small systems with one or two strings, reverse current may stay below the module protection limit. In larger parallel PV arrays, however, reverse current can overheat cables, damage modules, melt [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":4097,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35],"tags":[91,97,52],"class_list":["post-4100","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-gpv-fuse","tag-pv-reverse-current-protection","tag-solar-pv-energy"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/posts\/4100","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/comments?post=4100"}],"version-history":[{"count":5,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/posts\/4100\/revisions"}],"predecessor-version":[{"id":4111,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/posts\/4100\/revisions\/4111"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/media\/4097"}],"wp:attachment":[{"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/media?parent=4100"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/categories?post=4100"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/tags?post=4100"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}