{"id":3007,"date":"2026-04-14T08:29:41","date_gmt":"2026-04-14T08:29:41","guid":{"rendered":"https:\/\/cnkuangya.com\/?p=3007"},"modified":"2026-04-24T13:12:11","modified_gmt":"2026-04-24T05:12:11","slug":"https-cnkuangya-com-blog-how-to-choose-spd","status":"publish","type":"post","link":"https:\/\/cnkuangya.com\/ar\/blog\/https-cnkuangya-com-blog-how-to-choose-spd\/","title":{"rendered":"5 \u0646\u0635\u0627\u0626\u062d \u0623\u0633\u0627\u0633\u064a\u0629 \u062d\u0648\u0644 \u0643\u064a\u0641\u064a\u0629 \u0627\u062e\u062a\u064a\u0627\u0631 SPD: \u062a\u0639\u0632\u064a\u0632 \u0627\u0644\u0633\u0644\u0627\u0645\u0629 \u0641\u064a \u062c\u0645\u064a\u0639 \u0623\u0646\u062d\u0627\u0621 \u062c\u0646\u0648\u0628 \u0634\u0631\u0642 \u0622\u0633\u064a\u0627 \u0648\u0627\u0644\u0634\u0631\u0642 \u0627\u0644\u0623\u0648\u0633\u0637 \u0648\u0623\u0648\u0631\u0648\u0628\u0627"},"content":{"rendered":"<h2 class=\"wp-block-heading\">\u0645\u0642\u062f\u0645\u0629<\/h2>\n\n\n\n<p 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\u0627\u0644\u0632\u0627\u0626\u062f \u0627\u0644\u0644\u062d\u0638\u064a \u0641\u064a \u062e\u0637\u0648\u0637 \u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u0637\u0627\u0642\u0629. \u0639\u0646\u062f\u0645\u0627 \u062a\u062a\u0623\u062b\u0631 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0628\u0637\u0641\u0631\u0629 \u0627\u0644\u0635\u0648\u0627\u0639\u0642 \u0623\u0648 \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0623\u0648 \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0632\u0627\u0626\u062f \u0627\u0644\u0645\u0633\u062a\u062d\u062b\u060c \u062a\u062a\u063a\u064a\u0631 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629 \u0644\u062c\u0647\u0627\u0632 SPD \u0639\u0644\u0649 \u0627\u0644\u0641\u0648\u0631\u060c \u0645\u0645\u0627 \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u0625\u0637\u0644\u0627\u0642 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0632\u0627\u0626\u062f \u0625\u0644\u0649 \u0627\u0644\u0623\u0631\u0636.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0648\u0647\u0630\u0627 \u064a\u062d\u062f \u0645\u0646 \u0627\u0644\u062c\u0647\u062f \u0636\u0645\u0646 \u0646\u0637\u0627\u0642 \u0627\u0644\u062a\u062d\u0645\u0644 \u0627\u0644\u0622\u0645\u0646 \u0644\u0644\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0627\u0644\u0637\u0631\u0641\u064a\u0629\u060c \u0648\u064a\u062a\u062c\u0646\u0628 \u062a\u0639\u0637\u0644 \u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0648\u0642\u0635\u0631 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0648\u0627\u062d\u062a\u0631\u0627\u0642 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0648\u0641\u0634\u0644 \u0625\u064a\u0642\u0627\u0641 \u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0646\u0638\u0627\u0645. \u0641\u064a \u062c\u0648\u0647\u0631\u0647\u060c \u0635\u064f\u0645\u0645 \u0645\u0627\u0646\u0639 \u0627\u0646\u0641\u0635\u0627\u0644 \u0627\u0644\u062a\u064a\u0627\u0631 SPD \u0644\u0627\u0643\u062a\u0634\u0627\u0641 \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0632\u0627\u0626\u062f \u0627\u0644\u0639\u0627\u0628\u0631 (\u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639\u0627\u062a \u0627\u0644\u0645\u0641\u0627\u062c\u0626\u0629) \u0648\u062a\u062d\u0648\u064a\u0644 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0632\u0627\u0626\u062f \u0628\u0623\u0645\u0627\u0646 \u0625\u0644\u0649 \u0627\u0644\u0623\u0631\u0636\u060c \u0645\u0645\u0627 \u064a\u0645\u0646\u0639\u0647 \u0645\u0646 \u0627\u0644\u0648\u0635\u0648\u0644 \u0625\u0644\u0649 \u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0646\u0647\u0627\u0626\u064a\u0629 \u0648\u0625\u0644\u062d\u0627\u0642 \u0627\u0644\u0636\u0631\u0631 \u0628\u0647\u0627.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0648\u0639\u0627\u062f\u0629 \u0645\u0627 \u062a\u0633\u062a\u062e\u062f\u0645 \u0645\u0643\u0648\u0646\u0627\u062a \u0645\u062b\u0644 \u0645\u062a\u063a\u064a\u0631\u0627\u062a \u0623\u0643\u0633\u064a\u062f \u0627\u0644\u0641\u0644\u0632\u0627\u062a (MOVs) \u0623\u0648 \u0623\u0646\u0627\u0628\u064a\u0628 \u062a\u0641\u0631\u064a\u063a \u0627\u0644\u063a\u0627\u0632 (GDTs) \u0644\u062a\u062d\u0642\u064a\u0642 \u0647\u0630\u0647 \u0627\u0644\u0648\u0638\u064a\u0641\u0629 \u0627\u0644\u0648\u0642\u0627\u0626\u064a\u0629.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0641\u064a \u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0633\u0643\u0646\u064a\u0629\u060c \u0648\u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u0637\u0627\u0642\u0629 \u0641\u064a \u0627\u0644\u0645\u0628\u0627\u0646\u064a \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629\u060c \u0648\u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u0637\u0627\u0642\u0629 \u0641\u064a \u0627\u0644\u0645\u0628\u0627\u0646\u064a \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629\u060c \u0648\u0625\u0645\u062f\u0627\u062f\u0627\u062a \u0627\u0644\u0637\u0627\u0642\u0629 \u0641\u064a \u0627\u0644\u0648\u0631\u0634 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629\u060c \u0648\u0645\u062d\u0637\u0629 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a\u0629 \u0639\u0644\u0649 \u0627\u0644\u0623\u0633\u0637\u062d\u060c \u0648\u0645\u0634\u0631\u0648\u0639 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a\u0629 \u0627\u0644\u0623\u0631\u0636\u064a\u0629 \u0648\u0627\u0633\u0639\u0629 \u0627\u0644\u0646\u0637\u0627\u0642\u060c \u0648\u0646\u0638\u0627\u0645 \u062a\u062e\u0632\u064a\u0646 \u0627\u0644\u0637\u0627\u0642\u0629\u060c \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0642\u0644\u0644 \u0627\u0644\u062a\u0637\u0628\u064a\u0642 \u0627\u0644\u0631\u0634\u064a\u062f \u0644\u0640 SPD \u0645\u0646 \u062a\u0643\u0627\u0644\u064a\u0641 \u0635\u064a\u0627\u0646\u0629 \u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0628\u0634\u0643\u0644 \u0641\u0639\u0627\u0644.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0643\u0645\u0627 \u0623\u0646\u0647 \u064a\u0637\u064a\u0644 \u0639\u0645\u0631 \u062e\u062f\u0645\u0629 \u0627\u0644\u0645\u0631\u0627\u0641\u0642 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629\u060c \u0648\u064a\u062d\u0633\u0646 \u0645\u0646 \u0627\u0644\u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0639\u0627\u0645\u0629 \u0648\u0627\u0633\u062a\u0642\u0631\u0627\u0631 \u0627\u0633\u062a\u0647\u0644\u0627\u0643 \u0627\u0644\u0637\u0627\u0642\u0629. \u064a\u0645\u0643\u0646 \u0627\u0644\u0642\u0648\u0644 \u0623\u0646 \u0627\u062e\u062a\u064a\u0627\u0631 \u0648\u0627\u0642\u064a \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0627\u0644\u0645\u0648\u062d\u062f \u0647\u0648 \u062d\u0644\u0642\u0629 \u0623\u0633\u0627\u0633\u064a\u0629 \u0641\u064a \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0643\u0627\u0645\u0644\u0629 \u0644\u062a\u0635\u0645\u064a\u0645 \u0648\u0628\u0646\u0627\u0621 \u0627\u0644\u0647\u0646\u062f\u0633\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1.2 \u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u0627\u0645\u062a\u062b\u0627\u0644 \u0627\u0644\u062f\u0648\u0644\u064a\u0629 \u0648\u0627\u0644\u0625\u0642\u0644\u064a\u0645\u064a\u0629 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u064a\u0639\u062f \u0627\u0644\u0627\u0645\u062a\u062b\u0627\u0644 \u0627\u0644\u0642\u064a\u0627\u0633\u064a \u0647\u0648 \u0627\u0644\u0641\u0631\u0636\u064a\u0629 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629 \u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0648\u0627\u0642\u064a \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u0639\u0628\u0631 \u0627\u0644\u062d\u062f\u0648\u062f\u060c \u0643\u0645\u0627 \u0623\u0646 \u0627\u0644\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u0645\u062e\u062a\u0644\u0641\u0629 \u0644\u062f\u064a\u0647\u0627 \u0642\u064a\u0648\u062f \u0625\u0644\u0632\u0627\u0645\u064a\u0629 \u0639\u0644\u0649 \u0627\u0644\u0634\u0647\u0627\u062f\u0627\u062a \u0648\u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1. \u0633\u0644\u0633\u0644\u0629 IEC 61643: \u062a\u0639\u062f \u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0629 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 \u0627\u0644\u062f\u0648\u0644\u064a\u0629 \u0627\u0644\u0639\u0627\u0644\u0645\u064a\u0629 \u0644\u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0627\u0644\u0645\u0641\u0627\u062c\u0626 \u0641\u064a \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0645\u0646\u062e\u0641\u0636 \u0627\u0644\u062c\u0647\u062f\u060c \u0627\u0644\u062a\u064a \u062a\u0646\u0637\u0628\u0642 \u0639\u0644\u0649 \u0627\u0644\u0633\u064a\u0646\u0627\u0631\u064a\u0648\u0647\u0627\u062a \u0627\u0644\u0639\u0627\u0645\u0629 \u0644\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062a\u0631\u062f\u062f \u0648\u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631\u060c \u0627\u0644\u0645\u0631\u062c\u0639 \u0627\u0644\u0623\u0633\u0627\u0633\u064a \u0644\u062c\u0645\u064a\u0639 \u062a\u0635\u0645\u064a\u0645\u0627\u062a \u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0627\u0644\u0645\u0641\u0627\u062c\u0626 \u0641\u064a \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0627\u0644\u0625\u0642\u0644\u064a\u0645\u064a\u0629;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2. \u0627\u0644\u0645\u0639\u064a\u0627\u0631 \u0627\u0644\u0623\u0648\u0631\u0648\u0628\u064a EN 61643: \u0639\u0644\u0649 \u0623\u0633\u0627\u0633 IEC\u060c \u0625\u0636\u0627\u0641\u0629 \u0627\u062e\u062a\u0628\u0627\u0631 \u0633\u0644\u0627\u0645\u0629 \u0623\u0643\u062b\u0631 \u0635\u0631\u0627\u0645\u0629\u060c \u0648\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u062a\u0648\u0627\u0641\u0642 \u0627\u0644\u0643\u0647\u0631\u0648\u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a \u0648\u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u062a\u0646\u0627\u0633\u0642\u060c \u0625\u0644\u0632\u0627\u0645\u064a\u0629 \u0644\u0644\u0645\u0646\u062a\u062c\u0627\u062a \u0627\u0644\u0645\u0639\u062a\u0645\u062f\u0629 \u0645\u0646 IEC \u0627\u0644\u0645\u062a\u062f\u0627\u0648\u0644\u0629 \u0641\u064a \u0633\u0648\u0642 \u0627\u0644\u0627\u062a\u062d\u0627\u062f \u0627\u0644\u0623\u0648\u0631\u0648\u0628\u064a;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3. \u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0629 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 IEC 61643-31\/32: \u0645\u0635\u0645\u0645\u0629 \u062e\u0635\u064a\u0635\u064b\u0627 \u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a\u0629 \u0648\u0623\u0646\u0638\u0645\u0629 \u062a\u062e\u0632\u064a\u0646 \u0627\u0644\u0637\u0627\u0642\u0629\u060c \u0648\u062a\u0636\u0639 \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0623\u0639\u0644\u0649 \u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u062c\u0647\u062f \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 \u0648\u0623\u062f\u0627\u0621 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 \u0648\u0627\u0646\u0637\u0641\u0627\u0621 \u0627\u0644\u0642\u0648\u0633 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4. \u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u0645\u062d\u0644\u064a\u0629 \u0644\u062c\u0646\u0648\u0628 \u0634\u0631\u0642 \u0622\u0633\u064a\u0627: \u062a\u0634\u064a\u0631 \u0628\u0634\u0643\u0644 \u0623\u0633\u0627\u0633\u064a \u0625\u0644\u0649 \u0645\u0639\u0627\u064a\u064a\u0631 IEC\u060c \u062c\u0646\u0628\u064b\u0627 \u0625\u0644\u0649 \u062c\u0646\u0628 \u0645\u0639 \u0627\u0644\u0631\u0637\u0648\u0628\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0645\u062d\u0644\u064a\u0629 \u0648\u0628\u064a\u0626\u0629 \u0627\u0644\u0639\u0648\u0627\u0635\u0641 \u0627\u0644\u0631\u0639\u062f\u064a\u0629 \u0627\u0644\u0634\u062f\u064a\u062f\u0629 \u0644\u0637\u0631\u062d \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u062a\u0643\u064a\u0641 \u0627\u0644\u0628\u064a\u0626\u064a;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">5. \u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0635\u0646\u0627\u0639\u0629 \u0627\u0644\u0634\u0631\u0642 \u0627\u0644\u0623\u0648\u0633\u0637: \u0627\u0644\u062a\u0631\u0643\u064a\u0632 \u0639\u0644\u0649 \u0645\u0642\u0627\u0648\u0645\u0629 \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629 \u0648\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062a\u0642\u0627\u062f\u0645 \u0644\u0644\u0623\u0634\u0639\u0629 \u0641\u0648\u0642 \u0627\u0644\u0628\u0646\u0641\u0633\u062c\u064a\u0629 \u0648\u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u063a\u0628\u0627\u0631\u060c \u0648\u0627\u0644\u062a\u0643\u064a\u0641 \u0645\u0639 \u0627\u0644\u0645\u0646\u0627\u062e \u0627\u0644\u0635\u062d\u0631\u0627\u0648\u064a \u0648\u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0644\u0643\u0644 <a href=\"https:\/\/cnkuangya.com\/ar\/ac-spd\/\">\u0643\u0648\u0627\u0646\u062c\u064a\u0627 AC\/DC SPD<\/a> \u062a\u0645 \u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0645\u0646\u062a\u062c\u0627\u062a \u0648\u0625\u0646\u062a\u0627\u062c\u0647\u0627 \u0648\u0641\u0642\u064b\u0627 \u0644\u0645\u0639\u0627\u064a\u064a\u0631 IEC \u0648 EN \u0627\u0644\u0645\u0648\u062d\u062f\u0629\u060c \u0645\u0639 \u062a\u0642\u0627\u0631\u064a\u0631 \u0627\u062e\u062a\u0628\u0627\u0631 \u0643\u0627\u0645\u0644\u0629 \u0648\u0648\u062b\u0627\u0626\u0642 \u0627\u0639\u062a\u0645\u0627\u062f. \u0648\u064a\u0645\u0643\u0646\u0647\u0627 \u062a\u0644\u0628\u064a\u0629 \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0648\u0635\u0648\u0644 \u0644\u0634\u0647\u0627\u062f\u0629 CE \u0627\u0644\u0623\u0648\u0631\u0648\u0628\u064a\u0629\u060c \u0648\u0639\u0637\u0627\u0621\u0627\u062a \u0645\u0634\u0627\u0631\u064a\u0639 \u062c\u0646\u0648\u0628 \u0634\u0631\u0642 \u0622\u0633\u064a\u0627 \u0648\u0645\u0634\u0627\u0631\u064a\u0639 \u0627\u0644\u0634\u0631\u0642 \u0627\u0644\u0623\u0648\u0633\u0637 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u0648\u0645\u0634\u0627\u0631\u064a\u0639 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u062c\u062f\u064a\u062f\u0629.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u062a\u064f\u0635\u0646\u0639 \u062c\u0645\u064a\u0639 \u0627\u0644\u0645\u0646\u062a\u062c\u0627\u062a \u062a\u062d\u062a \u0631\u0642\u0627\u0628\u0629 \u0635\u0627\u0631\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u062c\u0648\u062f\u0629 \u0648\u062a\u062a\u0648\u0627\u0641\u0642 \u0645\u0639 \u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u062f\u0648\u0644\u064a\u0629 (IEC\u060c CE\u060c RoHS)\u060c \u062d\u064a\u062b \u062a\u062e\u0636\u0639 \u0643\u0644 \u0648\u062d\u062f\u0629 \u0644\u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a \u0635\u0627\u0631\u0645\u0629 \u0642\u0628\u0644 \u0627\u0644\u062a\u0633\u0644\u064a\u0645.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1.3 \u0627\u0644\u0645\u0639\u0644\u0645\u0627\u062a \u0627\u0644\u0645\u0631\u062c\u0639\u064a\u0629 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0644\u0643\u064a\u0641\u064a\u0629 \u0627\u062e\u062a\u064a\u0627\u0631 SPD<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0641\u064a \u0639\u0645\u0644\u064a\u0629 \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0641\u0639\u0644\u064a\u060c \u064a\u062d\u062a\u0627\u062c \u0627\u0644\u0645\u0647\u0646\u062f\u0633\u0648\u0646 \u0625\u0644\u0649 \u0627\u0644\u062a\u0631\u0643\u064a\u0632 \u0639\u0644\u0649 \u0627\u0644\u0645\u0639\u0644\u0645\u0627\u062a \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629 \u0644\u062a\u062c\u0646\u0628 \u0639\u062f\u0645 \u0627\u0644\u062a\u0637\u0627\u0628\u0642 \u0648\u0641\u0634\u0644 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0646\u0627\u062c\u0645 \u0639\u0646 \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0623\u0639\u0645\u0649:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; Continuous operating voltage Uc: Adapt to the long-term stable voltage of the local power grid, prevent premature aging and failure of SPD caused by long-term overvoltage;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; Nominal discharge current In and maximum discharge current Imax: Determine the surge resistance level, matching local lightning density and surge risk;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; Voltage protection level Up: The key index to measure protection efficiency, the lower the value, the better the protection effect of precision equipment;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; Pole number specification: 1P, 2P, 3P, 4P correspond to single-phase, three-phase and different wiring modes of DC system;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; Environmental adaptability: Including protection grade IP, working temperature range, moisture resistance, salt spray resistance and UV resistance.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. \u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0627\u062e\u062a\u0644\u0627\u0641\u0627\u062a \u0627\u0644\u0625\u0642\u0644\u064a\u0645\u064a\u0629 \u0644\u0643\u064a\u0641\u064a\u0629 \u0627\u062e\u062a\u064a\u0627\u0631 SPD<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">2.1 \u062c\u0646\u0648\u0628 \u0634\u0631\u0642 \u0622\u0633\u064a\u0627: \u0631\u0637\u0648\u0628\u0629 \u0639\u0627\u0644\u064a\u0629 \u0648\u0639\u0648\u0627\u0635\u0641 \u0631\u0639\u062f\u064a\u0629 \u0645\u062a\u0643\u0631\u0631\u0629 \u0648\u0628\u064a\u0626\u0629 \u0634\u0628\u0643\u064a\u0629 \u0645\u0639\u0642\u062f\u0629<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u062a\u0634\u0645\u0644 \u0645\u0646\u0637\u0642\u0629 \u062c\u0646\u0648\u0628 \u0634\u0631\u0642 \u0622\u0633\u064a\u0627 \u0625\u0646\u062f\u0648\u0646\u064a\u0633\u064a\u0627 \u0648\u0645\u0627\u0644\u064a\u0632\u064a\u0627 \u0648\u062a\u0627\u064a\u0644\u0627\u0646\u062f \u0648\u0641\u064a\u062a\u0646\u0627\u0645 \u0648\u0627\u0644\u0641\u0644\u0628\u064a\u0646 \u0648\u0628\u0644\u062f\u0627\u0646 \u0623\u062e\u0631\u0649\u060c \u062a\u0646\u062a\u0645\u064a \u0625\u0644\u0649 \u0627\u0644\u0645\u0646\u0627\u062e \u0627\u0644\u0645\u0648\u0633\u0645\u064a \u0627\u0644\u0627\u0633\u062a\u0648\u0627\u0626\u064a \u0648\u0634\u0628\u0647 \u0627\u0644\u0627\u0633\u062a\u0648\u0627\u0626\u064a. \u0648\u0623\u0628\u0631\u0632 \u0627\u0644\u0633\u0645\u0627\u062a \u0627\u0644\u0625\u0642\u0644\u064a\u0645\u064a\u0629 \u0647\u064a \u0627\u0631\u062a\u0641\u0627\u0639 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0648\u0627\u0644\u0631\u0637\u0648\u0628\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629 \u0633\u0646\u0648\u064a\u0627\u064b\u060c \u0648\u062a\u0631\u0643\u0632 \u0647\u0637\u0648\u0644 \u0627\u0644\u0623\u0645\u0637\u0627\u0631 \u0639\u0644\u0649 \u0645\u062f\u0627\u0631 \u0627\u0644\u0639\u0627\u0645\u060c \u0648\u062a\u0643\u0631\u0627\u0631 \u0647\u0628\u0648\u0628 \u0627\u0644\u0639\u0648\u0627\u0635\u0641 \u0627\u0644\u0631\u0639\u062f\u064a\u0629\u060c \u0648\u062a\u0643\u0631\u0627\u0631 \u0647\u0628\u0648\u0628 \u0627\u0644\u0639\u0648\u0627\u0635\u0641 \u0627\u0644\u0631\u0639\u062f\u064a\u0629\u060c \u0648\u0627\u0644\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u0633\u0627\u062d\u0644\u064a\u0629 \u0627\u0644\u0645\u0635\u062d\u0648\u0628\u0629 \u0628\u062a\u0622\u0643\u0644 \u0627\u0644\u0636\u0628\u0627\u0628 \u0627\u0644\u0645\u0644\u062d\u064a \u0627\u0644\u0634\u062f\u064a\u062f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0648\u0641\u064a \u0627\u0644\u0648\u0642\u062a \u0646\u0641\u0633\u0647\u060c 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class=\"wp-block-paragraph\">\u0644\u0642\u062f \u062d\u0635\u0644\u062a \u0623\u062c\u0647\u0632\u0629 \u0643\u0648\u0627\u0646\u062c\u064a\u0627 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0644\u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u0639\u0631\u0636 SPD \u0639\u0644\u0649 \u0634\u0647\u0627\u062f\u0629 CE\u060c \u0648\u0647\u064a \u0645\u062a\u0648\u0627\u0641\u0642\u0629 \u0645\u0639 \u0627\u0644\u0645\u0639\u064a\u0627\u0631 \u0627\u0644\u0623\u0648\u0631\u0648\u0628\u064a \u0627\u0644\u0645\u0648\u062d\u062f EN 61643\u060c \u0648\u064a\u0645\u0643\u0646\u0647\u0627 \u062a\u0642\u062f\u064a\u0645 \u062a\u0642\u0627\u0631\u064a\u0631 \u0627\u062e\u062a\u0628\u0627\u0631 \u0643\u0627\u0645\u0644\u0629 \u0648\u0648\u062b\u0627\u0626\u0642 \u0641\u0646\u064a\u0629 \u0644\u0645\u0631\u0627\u062c\u0639\u0629 \u0627\u0644\u0645\u0634\u0631\u0648\u0639.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0645\u0646 \u062d\u064a\u062b \u0646\u0645\u0637 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\u0648\u0627\u0633\u062a\u0647\u0644\u0627\u0643 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629\u060c \u0648\u0625\u0645\u062f\u0627\u062f\u0627\u062a \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u062b\u0644\u0627\u062b\u064a\u0629 \u0627\u0644\u0637\u0648\u0631 \u0648\u063a\u064a\u0631\u0647\u0627 \u0645\u0646 \u0627\u0644\u0633\u064a\u0646\u0627\u0631\u064a\u0648\u0647\u0627\u062a\u060c \u0645\u0639 \u062c\u0647\u062f \u0645\u0642\u0646\u0646 \u064a\u063a\u0637\u064a 230 \u0641\u0648\u0644\u062a\u060c 400 \u0641\u0648\u0644\u062a \u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u062a\u0642\u0644\u064a\u062f\u064a\u0629.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u062a\u0645 \u062a\u0637\u0648\u064a\u0631 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 SPD \u062e\u0635\u064a\u0635\u064b\u0627 \u0644\u0644\u0633\u0644\u0627\u0633\u0644 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\u0648\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062c\u0647\u062f\u060c \u0648\u062a\u0646\u0642\u0633\u0645 \u0625\u0644\u0649 \u0637\u0631\u0627\u0632\u0627\u062a \u062a\u064a\u0627\u0631 \u0645\u0633\u062a\u0645\u0631 \u0639\u0627\u0644\u064a \u0627\u0644\u062c\u0647\u062f 1000 \u0641\u0648\u0644\u062a \u06481500 \u0641\u0648\u0644\u062a.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0625\u0646\u0647\u0627 \u0645\u0639\u062f\u0627\u062a \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629 \u0644\u0645\u0634\u0627\u0631\u064a\u0639 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u062c\u062f\u064a\u062f\u0629 \u0641\u064a \u062c\u0646\u0648\u0628 \u0634\u0631\u0642 \u0622\u0633\u064a\u0627 \u0648\u0627\u0644\u0634\u0631\u0642 \u0627\u0644\u0623\u0648\u0633\u0637.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0648\u0628\u0627\u0644\u0627\u0642\u062a\u0631\u0627\u0646 \u0645\u0639 \u0637\u0644\u0628 \u0627\u0644\u0633\u0648\u0642 \u0627\u0644\u0639\u0627\u0644\u0645\u064a\u060c \u062a\u0642\u0648\u0645 Kuangya \u0628\u0634\u0643\u0644 \u0645\u0633\u062a\u0642\u0644 \u0628\u062a\u0637\u0648\u064a\u0631 \u0633\u0644\u0633\u0644\u0629 \u0643\u0627\u0645\u0644\u0629 \u0645\u0646 \u0623\u062c\u0647\u0632\u0629 \u0639\u0632\u0644 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062a\u0631\u062f\u062f \u0648\u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 \u0630\u0627\u062a \u0627\u0644\u0633\u0644\u0633\u0644\u0629 \u0627\u0644\u0643\u0627\u0645\u0644\u0629 \u0628\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0643\u0627\u0645\u0644\u0629 \u0648\u0645\u062e\u0632\u0648\u0646 \u0643\u0627\u0641\u064d\u060c \u0645\u0645\u0627 \u064a\u062f\u0639\u0645 \u062a\u0639\u062f\u064a\u0644 \u0627\u0644\u0645\u0639\u0644\u0645\u0627\u062a \u0627\u0644\u0625\u0642\u0644\u064a\u0645\u064a\u0629 \u0648\u0627\u0644\u062a\u062e\u0635\u064a\u0635 \u0627\u0644\u0634\u062e\u0635\u064a. \u062a\u0648\u0641\u0631 \u0643\u0648\u0627\u0646\u062c\u064a\u0627 \u062d\u0644\u0648\u0644\u0627\u064b \u0645\u0648\u062b\u0648\u0642\u0629 \u0644\u0639\u0632\u0644 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 \u0648\u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062a\u0631\u062f\u062f \u0648\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629\u060c \u0648\u0627\u0644\u062a\u064a \u062a\u063a\u0637\u064a \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0633\u0643\u0646\u064a\u0629 \u0648\u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629 \u0648\u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3.2 \u0627\u0644\u062a\u0637\u0628\u064a\u0642 \u0627\u0644\u062a\u0641\u0635\u064a\u0644\u064a \u0644 SPD \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0623\u0642\u0637\u0627\u0628 1P \/ 2P \/ 3P \/ 4P<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0628\u0627\u0644\u0627\u0642\u062a\u0631\u0627\u0646 \u0645\u0639 \u0623\u0648\u0636\u0627\u0639 \u0625\u0645\u062f\u0627\u062f \u0627\u0644\u0637\u0627\u0642\u0629 \u0641\u064a \u062b\u0644\u0627\u062b \u0645\u0646\u0627\u0637\u0642 \u0639\u0627\u0644\u0645\u064a\u0629 \u0631\u0626\u064a\u0633\u064a\u0629\u060c \u064a\u062a\u0645 \u0641\u0631\u0632 \u0627\u0644\u0633\u064a\u0646\u0627\u0631\u064a\u0648\u0647\u0627\u062a \u0627\u0644\u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u062a\u0637\u0628\u064a\u0642 \u0641\u064a SPD \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0623\u0642\u0637\u0627\u0628 \u0628\u0627\u0644\u062a\u0641\u0635\u064a\u0644:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1. <strong>1P SPD<\/strong>: \u0647\u064a\u0643\u0644 \u0623\u062d\u0627\u062f\u064a \u0627\u0644\u0642\u0637\u0628\u060c \u0648\u0645\u0646\u0627\u0633\u0628 \u0644\u0644\u0633\u0644\u0627\u0633\u0644 \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a\u0629 \u0623\u062d\u0627\u062f\u064a\u0629 \u0627\u0644\u062e\u0637\u060c \u0648\u062d\u0645\u0627\u064a\u0629 \u0645\u0633\u062a\u0642\u0644\u0629 \u0644\u0644\u0623\u0633\u0644\u0627\u0643 \u0627\u0644\u062d\u064a\u0629 \u0623\u062d\u0627\u062f\u064a\u0629 \u0627\u0644\u0637\u0648\u0631\u060c \u0648\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u062c\u062f\u064a\u062f\u0629 \u0627\u0644\u0645\u0648\u0632\u0639\u0629 \u0627\u0644\u0635\u063a\u064a\u0631\u0629\u060c \u0648\u0627\u0644\u0647\u064a\u0643\u0644 \u0627\u0644\u0645\u062f\u0645\u062c \u0648\u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0645\u0631\u064a\u062d;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2. <strong>2P SPD<\/strong>: \u062a\u064f\u0633\u062a\u062e\u062f\u0645 \u0639\u0644\u0649 \u0646\u0637\u0627\u0642 \u0648\u0627\u0633\u0639 \u0641\u064a \u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062a\u0631\u062f\u062f \u0623\u062d\u0627\u062f\u064a \u0627\u0644\u0637\u0648\u0631 \u0627\u0644\u0639\u0627\u0644\u0645\u064a L-N \u0648\u0646\u0638\u0627\u0645 \u062a\u062e\u0632\u064a\u0646 \u0627\u0644\u0637\u0627\u0642\u0629 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0642\u0637\u0628 DC\u060c \u0648\u0647\u064a \u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0623\u0643\u062b\u0631 \u062a\u0646\u0648\u0639\u064b\u0627 \u0641\u064a \u0627\u0644\u0645\u0634\u0627\u0631\u064a\u0639 \u0627\u0644\u0633\u0643\u0646\u064a\u0629 \u0648\u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629 \u0627\u0644\u0635\u063a\u064a\u0631\u0629;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3. <strong>3P SPD<\/strong>: \u062a\u0637\u0628\u0642 \u0639\u0644\u0649 \u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u062b\u0644\u0627\u062b\u064a\u0629 \u0627\u0644\u0623\u0633\u0644\u0627\u0643 \u062b\u0644\u0627\u062b\u064a\u0629 \u0627\u0644\u0637\u0648\u0631 \u062b\u0644\u0627\u062b\u064a\u0629 \u0627\u0644\u0623\u0633\u0644\u0627\u0643\u060c \u0648\u0645\u0646\u0627\u0633\u0628\u0629 \u0644\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0645\u062d\u0631\u0643\u0627\u062a \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629\u060c \u0648\u0625\u0645\u062f\u0627\u062f\u0627\u062a \u0627\u0644\u0637\u0627\u0642\u0629 \u0644\u062e\u0637 \u0627\u0644\u0625\u0646\u062a\u0627\u062c\u060c \u0648\u0645\u0637\u0627\u0628\u0642\u0629 \u0639\u0644\u0649 \u0646\u0637\u0627\u0642 \u0648\u0627\u0633\u0639 \u0641\u064a \u0645\u0635\u0627\u0646\u0639 \u062c\u0646\u0648\u0628 \u0634\u0631\u0642 \u0622\u0633\u064a\u0627 \u0648\u0627\u0644\u0634\u0631\u0642 \u0627\u0644\u0623\u0648\u0633\u0637;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4. <strong>4P SPD<\/strong>: \u062d\u0645\u0627\u064a\u0629 \u0646\u0638\u0627\u0645 \u0643\u0627\u0645\u0644 \u0645\u0646 \u0623\u0631\u0628\u0639\u0629 \u0623\u0633\u0644\u0627\u0643 \u062b\u0644\u0627\u062b\u064a\u0629 \u0627\u0644\u0623\u0637\u0648\u0627\u0631 \u0628\u0623\u0631\u0628\u0639\u0629 \u0623\u0633\u0644\u0627\u0643\u060c \u062a\u063a\u0637\u064a \u0633\u0644\u0643 \u0627\u0644\u062d\u0631\u064a\u0642 \u062b\u0644\u0627\u062b\u064a \u0627\u0644\u0623\u0637\u0648\u0627\u0631 \u0648\u0627\u0644\u0633\u0644\u0643 \u0627\u0644\u0645\u062d\u0627\u064a\u062f\u060c \u0648\u0647\u0648 \u0627\u0644\u062e\u064a\u0627\u0631 \u0627\u0644\u0623\u0648\u0644 \u0644\u0644\u0645\u0634\u0627\u0631\u064a\u0639 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u0627\u0644\u0623\u0648\u0631\u0648\u0628\u064a\u0629 \u0648\u0645\u0634\u0627\u0631\u064a\u0639 \u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0634\u0627\u0645\u0644\u0629 \u0648\u0627\u0633\u0639\u0629 \u0627\u0644\u0646\u0637\u0627\u0642.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3.3 \u0646\u0638\u0627\u0645 \u0645\u0637\u0627\u0628\u0642\u0629 \u0627\u0644\u0623\u0644\u0648\u0627\u0646 \u0627\u0644\u0645\u062e\u0635\u0635 \uff08\u0627\u0644\u0628\u0631\u062a\u0642\u0627\u0644\u064a\/\u0627\u0644\u0623\u062d\u0645\u0631\/\u0627\u0644\u0631\u0645\u0627\u062f\u064a\/\u0627\u0644\u0631\u0645\u0627\u062f\u064a\/\u0627\u0644\u0623\u0628\u064a\u0636\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u062a\u062a\u0645\u064a\u0632 \u0623\u0642\u0631\u0627\u0635 \u0643\u0648\u0627\u0646\u062c\u064a\u0627 \u0627\u0644\u0645\u0644\u0648\u0646\u0629 \u0627\u0644\u0623\u0631\u0628\u0639\u0629 \u0627\u0644\u062a\u0642\u0644\u064a\u062f\u064a\u0629 \u0630\u0627\u062a \u0627\u0644\u0623\u0644\u0648\u0627\u0646 SPDs \u0627\u0644\u0645\u0644\u0648\u0646\u0629 \u0628\u0645\u0648\u0636\u0639 \u0648\u0638\u064a\u0641\u064a \u0648\u0627\u0636\u062d\u060c \u0645\u0645\u0627 \u064a\u0633\u0627\u0639\u062f \u0627\u0644\u0645\u0647\u0646\u062f\u0633\u064a\u0646 \u0639\u0644\u0649 \u0625\u0643\u0645\u0627\u0644 \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0648\u062d\u062f \u0628\u0633\u0631\u0639\u0629:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; <strong>\u0623\u0648\u0631\u0627\u0646\u062c DC SPD<\/strong>: \u0627\u0644\u062a\u0639\u0631\u0641 \u0627\u0644\u0639\u0627\u0644\u064a\u060c \u0645\u062e\u0635\u0635 \u0644\u0646\u0638\u0627\u0645 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a\u060c \u0645\u0646\u0627\u0633\u0628 \u0644\u0645\u0648\u0638\u0641\u064a \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0648\u0627\u0644\u0635\u064a\u0627\u0646\u0629 \u0644\u062a\u0645\u064a\u064a\u0632 \u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u062c\u062f\u064a\u062f\u0629 \u0628\u0633\u0631\u0639\u0629;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; <strong>\u0623\u062d\u0645\u0631 \u0639\u0627\u0644\u064a \u0627\u0644\u062c\u0648\u062f\u0629 SPD<\/strong>: \u062a\u0645\u062b\u0644 \u0645\u0633\u062a\u0648\u0649 \u0623\u0645\u0627\u0646 \u0639\u0627\u0644\u064d\u060c \u0648\u0645\u0646\u0627\u0633\u0628\u0629 \u0644\u0644\u062e\u0637 \u0627\u0644\u0648\u0627\u0631\u062f \u0644\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u0635\u0648\u0627\u0639\u0642 \u0645\u0646 \u0627\u0644\u0646\u0648\u0639 1\u060c \u0648\u0627\u0644\u0645\u0646\u0637\u0642\u0629 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062e\u0637\u0648\u0631\u0629 \u0648\u0645\u0646\u0637\u0642\u0629 \u0627\u0644\u0639\u0648\u0627\u0635\u0641 \u0627\u0644\u0631\u0639\u062f\u064a\u0629 \u0627\u0644\u0634\u062f\u064a\u062f\u0629;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; <strong>\u0631\u0645\u0627\u062f\u064a \u0635\u0646\u0627\u0639\u064a SPD<\/strong>: \u0645\u0642\u0627\u0648\u0645 \u0644\u0644\u0627\u0647\u062a\u0631\u0627\u0621 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class=\"wp-block-paragraph\">\u0641\u064a\u0645\u0627 \u064a\u062a\u0639\u0644\u0642 \u0628\u0623\u062f\u0627\u0621 \u0627\u0644\u0645\u0646\u062a\u062c\u060c \u062a\u0639\u062a\u0645\u062f \u062c\u0645\u064a\u0639 \u0623\u062c\u0647\u0632\u0629 \u0643\u0648\u0627\u0646\u062c\u064a\u0627 AC\/DC SPD \u0639\u0644\u0649 \u0631\u0642\u0627\u0626\u0642 \u0645\u062a\u063a\u064a\u0631\u0629 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062c\u0648\u062f\u0629 \u0648\u0647\u064a\u0643\u0644 \u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u062a\u0639\u062b\u0631 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u060c \u0645\u0639 \u0645\u0642\u0627\u0648\u0645\u0629 \u0642\u0648\u064a\u0629 \u0644\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0627\u0644\u0645\u0641\u0627\u062c\u0626\u060c \u0648\u0645\u0633\u062a\u0648\u0649 \u062d\u0645\u0627\u064a\u0629 \u0635\u063a\u064a\u0631 \u0644\u0644\u062c\u0647\u062f \u0648\u0633\u0644\u0627\u0645\u0629 \u062a\u0634\u063a\u064a\u0644\u064a\u0629 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\u064a\u0636\u0645\u0646 \u0627\u0644\u0645\u0631\u0648\u0646\u0629 \u0641\u064a \u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0634\u0645\u0633\u064a\u0629 \u0648\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0646\u0638\u0645 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0634\u0645\u0633\u064a\u0629 \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a\u0629 \u0648\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5. \u0642\u0627\u0626\u0645\u0629 \u0627\u0644\u0645\u0631\u0627\u062c\u0639\u0629 \u0627\u0644\u0639\u0627\u0644\u0645\u064a\u0629 \u0644\u0643\u064a\u0641\u064a\u0629 \u0627\u062e\u062a\u064a\u0627\u0631 SPD \u0627\u0644\u0639\u0627\u0644\u0645\u064a\u0629<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0644\u062a\u0648\u062d\u064a\u062f \u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0648\u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0647\u0646\u062f\u0633\u064a\u0629\u060c \u0646\u0644\u062e\u0635 \u0645\u062c\u0645\u0648\u0639\u0629 \u0645\u0646 \u0642\u0648\u0627\u0626\u0645 \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0627\u0644\u0645\u064a\u0629 \u0644\u0644\u0645\u0634\u0627\u0631\u064a\u0639 \u0627\u0644\u062e\u0627\u0631\u062c\u064a\u0629:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1. \u062a\u0648\u0636\u064a\u062d \u0646\u0648\u0639 \u0627\u0644\u0646\u0638\u0627\u0645\u060c \u0648\u062a\u0623\u0643\u064a\u062f \u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u0645\u0634\u0631\u0648\u0639 \u0639\u0628\u0627\u0631\u0629 \u0639\u0646 \u0646\u0638\u0627\u0645 \u062a\u0648\u0632\u064a\u0639 \u062a\u0642\u0644\u064a\u062f\u064a \u064a\u0639\u0645\u0644 \u0628\u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062a\u0631\u062f\u062f \u0623\u0648 \u0646\u0638\u0627\u0645 \u062a\u062e\u0632\u064a\u0646 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a\u0629 \u0628\u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2. \u0627\u0644\u0627\u0633\u062a\u0639\u0644\u0627\u0645 \u0639\u0646 \u062c\u0647\u062f \u0627\u0644\u0634\u0628\u0643\u0629 \u0627\u0644\u0645\u062d\u0644\u064a\u0629 \u0648\u0627\u0644\u062a\u0631\u062f\u062f \u0648\u0645\u062e\u0627\u0637\u0631 \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0632\u0627\u0626\u062f\u060c \u0648\u0642\u0641\u0644 \u0645\u0639\u0644\u0645\u0629 Uc \u0644\u0640 SPD;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3. \u062d\u062f\u062f \u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0642\u0637\u0628 (1P\/2P\/3P\/4P) \u0648\u0641\u0642\u064b\u0627 \u0644\u0639\u062f\u062f \u062e\u0637\u0648\u0637 \u0627\u0644\u0637\u0648\u0631 \u0648\u0648\u0636\u0639 \u0627\u0644\u0623\u0633\u0644\u0627\u0643;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4. \u062d\u062f\u062f \u0645\u0633\u062a\u0648\u0649 \u062d\u0645\u0627\u064a\u0629 SPD (\u0627\u0644\u0646\u0648\u0639 1\/\u0627\u0644\u0646\u0648\u0639 2\/\u0627\u0644\u0646\u0648\u0639 \u0627\u0644\u0645\u0634\u062a\u0631\u0643) \u0645\u0639 \u0643\u062b\u0627\u0641\u0629 \u0627\u0644\u0635\u0648\u0627\u0639\u0642 \u0627\u0644\u0645\u062d\u0644\u064a\u0629;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">5. \u0642\u0645 \u0628\u062a\u0642\u064a\u064a\u0645 \u0628\u064a\u0626\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644\u060c \u0648\u062a\u0623\u0643\u062f \u0645\u0646 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0648\u0627\u0644\u0631\u0637\u0648\u0628\u0629 \u0648\u0627\u0644\u063a\u0628\u0627\u0631 \u0648\u0631\u0630\u0627\u0630 \u0627\u0644\u0645\u0644\u062d \u0648\u0643\u062b\u0627\u0641\u0629 \u0627\u0644\u0623\u0634\u0639\u0629 \u0641\u0648\u0642 \u0627\u0644\u0628\u0646\u0641\u0633\u062c\u064a\u0629\u060c \u0648\u0627\u062e\u062a\u0631 \u0645\u0648\u0627\u062f \u0645\u0637\u0627\u0628\u0642\u0629 \u0644\u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0645\u0627\u064a\u0629;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">6. \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u0634\u0647\u0627\u062f\u0627\u062a \u0627\u0644\u0625\u0644\u0632\u0627\u0645\u064a\u0629 \u0627\u0644\u0625\u0642\u0644\u064a\u0645\u064a\u0629 \u0644\u0636\u0645\u0627\u0646 \u0627\u0633\u062a\u064a\u0641\u0627\u0621 \u0627\u0644\u0645\u0646\u062a\u062c\u0627\u062a \u0644\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u0648\u0635\u0648\u0644 \u0625\u0644\u0649 \u0627\u0644\u0623\u0633\u0648\u0627\u0642 \u0627\u0644\u0645\u062d\u0644\u064a\u0629;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">7. \u0627\u0644\u062c\u0645\u0639 \u0628\u064a\u0646 \u0627\u062d\u062a\u064a\u0627\u062c\u0627\u062a \u0625\u062f\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0648\u0627\u0644\u0635\u064a\u0627\u0646\u0629 \u0644\u062a\u062d\u062f\u064a\u062f \u0644\u0648\u0646 \u0627\u0644\u063a\u0644\u0627\u0641 \u0648\u062a\u062d\u0642\u064a\u0642 \u062a\u0639\u0631\u064a\u0641 \u0645\u0648\u062d\u062f \u0644\u0644\u062f\u0627\u0626\u0631\u0629;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">8. \u062a\u0623\u0643\u062f \u0645\u0646 \u062d\u062c\u0645 \u0645\u0633\u0627\u062d\u0629 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0648\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0648\u0645\u0637\u0627\u0628\u0642\u0629 \u0627\u0644\u0645\u0644\u062d\u0642\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0644\u0636\u0645\u0627\u0646 \u0633\u0644\u0627\u0633\u0629 \u0627\u0644\u062a\u0631\u0643\u064a\u0628.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">6. \u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u06331: \u0644\u0645\u0627\u0630\u0627 \u064a\u0639\u062a\u0628\u0631 \u0627\u0644\u0627\u062e\u062a\u0644\u0627\u0641 \u0627\u0644\u0625\u0642\u0644\u064a\u0645\u064a \u0627\u0644\u0639\u0627\u0645\u0644 \u0627\u0644\u0623\u0633\u0627\u0633\u064a \u0641\u064a \u0643\u064a\u0641\u064a\u0629 \u0627\u062e\u062a\u064a\u0627\u0631 SPD\u061f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u064a\u0624\u062b\u0631 \u0627\u062e\u062a\u0644\u0627\u0641 \u0627\u0644\u0645\u0646\u0627\u062e \u0648\u062c\u0648\u062f\u0629 \u0627\u0644\u0634\u0628\u0643\u0629 \u0648\u062a\u0631\u062f\u062f \u0627\u0644\u0628\u0631\u0642 \u0648\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u0635\u0646\u0627\u0639\u0629 \u0628\u0634\u0643\u0644 \u0645\u0628\u0627\u0634\u0631 \u0639\u0644\u0649 \u0639\u0645\u0631 \u0627\u0644\u062e\u062f\u0645\u0629 \u0648\u062a\u0623\u062b\u064a\u0631 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0644 SPD. \u0641\u0642\u0637 \u0627\u062e\u062a\u064a\u0627\u0631 \u0648\u0627\u0642\u064a \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0647\u062f\u0641 \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0636\u0645\u0646 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0645\u0633\u062a\u0642\u0631 \u0637\u0648\u064a\u0644 \u0627\u0644\u0623\u0645\u062f \u0644\u0644\u0645\u0639\u062f\u0627\u062a.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u06332: \u0647\u0644 \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u062d\u0644 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062a\u0631\u062f\u062f SPD \u0645\u062d\u0644 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 SPD \u0644\u0644\u0645\u0634\u0627\u0631\u064a\u0639 \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a\u0629\u061f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0644\u0627 \u064a\u0645\u0643\u0646 \u0627\u0633\u062a\u0628\u062f\u0627\u0644\u0647. \u0644\u0627 \u062a\u062d\u062a\u0648\u064a \u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 \u0639\u0644\u0649 \u0646\u0642\u0637\u0629 \u0639\u0628\u0648\u0631 \u0627\u0644\u0635\u0641\u0631 \u0627\u0644\u062d\u0627\u0644\u064a\u0629. \u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062a\u0631\u062f\u062f \u0627\u0644\u0639\u0627\u062f\u064a\u0629 SPD \u0639\u0631\u0636\u0629 \u0644\u0627\u062d\u062a\u0631\u0627\u0642 \u0627\u0644\u0642\u0648\u0633 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0648\u062a\u0639\u0637\u0644\u0647\u0627 \u0641\u064a \u0628\u064a\u0626\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631\u060c \u0645\u0645\u0627 \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u0645\u062e\u0627\u0637\u0631 \u062c\u0633\u064a\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0633\u0644\u0627\u0645\u0629. \u062a\u062e\u062a\u0644\u0641 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decoding=\"async\" width=\"1024\" height=\"525\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/04\/DCVSAC-SPD-1024x525.jpg\" alt=\"\" class=\"wp-image-3014\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/04\/DCVSAC-SPD-1024x525.jpg 1024w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/04\/DCVSAC-SPD-300x154.jpg 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/04\/DCVSAC-SPD-768x394.jpg 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/04\/DCVSAC-SPD-1536x788.jpg 1536w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/04\/DCVSAC-SPD-2048x1050.jpg 2048w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/04\/DCVSAC-SPD-18x9.jpg 18w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/04\/DCVSAC-SPD-600x308.jpg 600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>","protected":false},"excerpt":{"rendered":"<p>Introduction In modern power distribution systems, transient surges, lightning strikes, switching overvoltage and grid fluctuation have become the main hidden dangers that damage low-voltage electrical equipment, photovoltaic power generation systems, energy storage devices and industrial distribution circuits. A qualified and matched surge protective device is the first line of defense for stable operation of the [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":3013,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[42],"tags":[52],"class_list":["post-3007","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-surge-protection-lightning-safety","tag-solar-pv-energy"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/posts\/3007","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\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/comments?post=3007"}],"version-history":[{"count":1,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/posts\/3007\/revisions"}],"predecessor-version":[{"id":3015,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/posts\/3007\/revisions\/3015"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/media\/3013"}],"wp:attachment":[{"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/media?parent=3007"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/categories?post=3007"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/tags?post=3007"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}