{"id":7587,"date":"2026-07-30T11:01:05","date_gmt":"2026-07-30T03:01:05","guid":{"rendered":"https:\/\/hobertek.com\/how-to-size-solar-panels-for-a-water-pump-the-vmp-vs-voc-guide-for-any-pv-brand\/"},"modified":"2026-07-30T11:01:05","modified_gmt":"2026-07-30T03:01:05","slug":"how-to-size-solar-panels-for-a-water-pump-the-vmp-vs-voc-guide-for-any-pv-brand","status":"publish","type":"post","link":"https:\/\/hobertek.com\/zh\/how-to-size-solar-panels-for-a-water-pump-the-vmp-vs-voc-guide-for-any-pv-brand\/","title":{"rendered":"\u5982\u4f55\u4e3a\u6c34\u6cf5\u9009\u62e9\u5408\u9002\u7684\u592a\u9633\u80fd\u7535\u6c60\u677f\uff1a\u9002\u7528\u4e8e\u4efb\u4f55\u5149\u4f0f\u54c1\u724c\u7684 Vmp \u4e0e Voc \u6307\u5357"},"content":{"rendered":"<p><strong>When matching solar panels to a water pump system, the specific brand of the panel is secondary to its electrical characteristics. The critical engineering goal is to ensure the total Vmp (Voltage at Maximum Power) of the solar string falls within the inverter&#8217;s peak efficiency window, and the total string Voc (Open Circuit Voltage) remains safely below the inverter&#8217;s maximum DC input at the site&#8217;s lowest recorded temperature.<\/strong><\/p>\n<h2>1. The &#8220;Panel-Agnostic&#8221; Advantage<\/h2>\n<p>\u5728HOBER\uff0c\u6211\u4eec\u7684\u4ea4\u6d41\u6cf5\u592a\u9633\u80fd\u5316\u6280\u672f\u65e8\u5728 <strong>\u4e0e\u9762\u677f\u65e0\u5173<\/strong>. \u65e0\u8bba\u60a8\u4f7f\u7528\u7684\u662f\u6765\u81ea\u5168\u7403\u4e00\u7ea7\u5236\u9020\u5546\u6216\u672c\u5730\u4f9b\u5e94\u5546\u7684\u5355\u6676\u7845\u3001\u591a\u6676\u7845\u8fd8\u662f\u6700\u65b0\u7684\u53cc\u9762\u9ad8\u6548\u7ec4\u4ef6\uff0c\u53ea\u8981\u7535\u538b\u89c4\u683c\u6b63\u786e\uff0c\u7cfb\u7edf\u6027\u80fd\u5c31\u80fd\u5f97\u5230\u4fdd\u8bc1\u3002.<\/p>\n<p><strong>\u5b89\u88c5\u63d0\u793a\uff1a<\/strong> This allows you to source the &#8220;glass&#8221; (solar panels) locally to save on shipping costs while relying on HOBER for the system&#8217;s &#8220;brain.&#8221;<\/p>\n<h2>2. \u5c3a\u5bf8\u6bd4\u4f8b\uff1a\u4e3a\u4ec0\u4e48\u662f 1.4 \u500d\uff1f<\/h2>\n<p>\u5e38\u89c1\u7684\u9519\u8bef\u662f\u5c06 7.5kW \u7684\u592a\u9633\u80fd\u7535\u6c60\u677f\u4e0e 7.5kW \u7684\u6c34\u6cf5\u5339\u914d\u3002.<\/p>\n<ul>\n<li><strong>\u95ee\u9898\uff1a<\/strong> \u592a\u9633\u8f90\u5c04\u5e76\u975e\u6052\u5b9a\u4e0d\u53d8\u3002\u80fd\u91cf\u4f1a\u56e0\u70ed\u91cf\u3001\u5c18\u57c3\u548c\u5927\u6c14\u800c\u635f\u8017\u3002.<\/li>\n<li><strong>HOBER \u6807\u51c6\uff1a<\/strong> \u6211\u4eec\u63a8\u8350 <strong>\u8d85\u5927\u5c3a\u5bf8\u6bd4\u4f8b\u4e3a 1.3 \u500d\u81f3 1.5 \u500d<\/strong>.\n<ul>\n<li><em>\u4f8b\u5b50\uff1a<\/em> \u5bf9\u4e8e <strong>15\u5343\u74e6\uff0820\u9a6c\u529b\uff09\u6c34\u6cf5<\/strong>, \u4f60\u5e94\u8be5\u4ee5\u2026\u2026\u4e3a\u76ee\u6807 <strong>21kWp \u81f3 22.5kWp<\/strong> \u592a\u9633\u80fd\u5149\u4f0f\u8f93\u5165\u3002\u8fd9\u786e\u4fdd\u5373\u4f7f\u5728\u975e\u9ad8\u5cf0\u65e5\u7167\u65f6\u6bb5\uff0c\u6c34\u6cf5\u4e5f\u80fd\u4ee5 50Hz\/60Hz \u7684\u5168\u9891\u8fd0\u884c\u3002.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>3. \u7535\u538b\u8ba1\u7b97\uff08\u5de5\u7a0b\u6838\u5fc3\uff09<\/h2>\n<p>\u522b\u7ba1\u54c1\u724c\uff0c\u91cd\u70b9\u770b\u4ea7\u54c1\u6570\u636e\u8868\u3002.<\/p>\n<h3>A. Vmp \u5339\u914d\uff08\u9891\u7387\u5f15\u64ce\uff09<\/h3>\n<p>\u8981\u4f7f\u4ea4\u6d41\u6c34\u6cf5\u8fbe\u5230\u989d\u5b9a\u8f6c\u901f\uff0c\u9006\u53d8\u5668\u9700\u8981\u7279\u5b9a\u7684\u76f4\u6d41\u8f93\u5165\u3002\u5bf9\u4e8e 380V \u6c34\u6cf5\uff1a\u60a8\u7684\u4e32\u8054 Vmp \u5e94\u4ecb\u4e8e <strong>530\u4f0f\u548c600\u4f0f<\/strong>.<\/p>\n<p style=\"background: #f9f9f9; padding: 10px; border-left: 4px solid #3b82f6;\">\u516c\u5f0f\uff1a\u603b Vmp = \u4e32\u8054\u9762\u677f\u6570\u91cf \u00d7 \u5355\u4e2a\u9762\u677f Vmp\uff08STC\uff09<\/p>\n<h3>B. \u804c\u4e1a\u5065\u5eb7\u4e0e\u5b89\u5168\u9632\u62a4\uff08\u5b89\u5168\u88d5\u5ea6\uff09<\/h3>\n<p>\u9006\u53d8\u5668\u5728\u6b64\u5904\u635f\u574f\u3002\u603b\u7ec4\u7535\u538b\u5fc5\u987b <strong>\u7edd\u4e0d<\/strong> \u8d85\u8fc7\u9006\u53d8\u5668\u7684\u6700\u5927\u76f4\u6d41\u8f93\u5165\u7535\u538b\uff08380V \u578b\u53f7\u901a\u5e38\u4e3a 800V\uff09\u3002.<\/p>\n<p><strong>\u4f4e\u6e29\u56e0\u7d20\uff1a<\/strong> \u5728\u5bd2\u51b7\u7684\u6c99\u6f20\u6e05\u6668\uff08\u4f8b\u5982\u6c99\u7279\u963f\u62c9\u4f2f\u6216\u667a\u5229\uff09\uff0c\u6325\u53d1\u6027\u6709\u673a\u5316\u5408\u7269\uff08Voc\uff09\u6d53\u5ea6\u4f1a\u98d9\u5347\u3002\u52a1\u5fc5\u7559\u51fa\u4e00\u4e9b\u65f6\u95f4\u3002 <strong>15% \u5b89\u5168\u7f13\u51b2\u5668<\/strong>. If the inverter limit is 800V, target a design Voc of 680V &#8211; 700V.<\/p>\n<h2>4. \u63a8\u8350\u7684\u5b57\u7b26\u4e32\u914d\u7f6e\uff08\u901a\u7528\uff09<\/h2>\n<table style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd;\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th style=\"padding: 12px; border: 1px solid #ddd;\">\u9762\u677f\u529f\u7387\uff08\u4f8b\u5982\uff09<\/th>\n<th style=\"padding: 12px; border: 1px solid #ddd;\">\u5b57\u7b26\u4e32\u8bbe\u7f6e\uff08\u7cfb\u5217\uff09<\/th>\n<th style=\"padding: 12px; border: 1px solid #ddd;\">\u5149\u4f0f\u603b\u529f\u7387<\/th>\n<th style=\"padding: 12px; border: 1px solid #ddd;\">\u76ee\u6807\u6cf5<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">550\u74e6\u5355\u58f0\u9053<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">18\u5757\u9762\u677f<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">9.9 \u5343\u74e6\u5cf0\u503c\u529f\u7387<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">5.5kW &#8211; 7.5kW Pump<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">650\u74e6\u53cc\u9762<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">18\u5757\u9762\u677f<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">11.7 \u5343\u74e6\u5cf0\u503c\u529f\u7387<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">7.5kW\u6c34\u6cf5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<p><strong>\u9762\u677f\u65e0\u5173\u6027\u610f\u5473\u7740\u9009\u62e9\u7684\u81ea\u7531\u3002.<\/strong> HOBER \u8d1f\u8d23 MPPT \u8ddf\u8e2a\u548c\u4fdd\u62a4\uff0c\u4f7f\u60a8\u80fd\u591f\u901a\u8fc7\u672c\u5730\u91c7\u8d2d\u6700\u5927\u9650\u5ea6\u5730\u63d0\u9ad8\u9879\u76ee\u5229\u6da6\u7387\u3002.<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/hobertek.com\/zh\/ac-pump-solarization-academy\/\" class=\"button\">\u52a0\u5165\u4ea4\u6d41\u6cf5\u592a\u9633\u80fd\u5316\u5b66\u9662<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>\u5728\u5c06\u592a\u9633\u80fd\u7535\u6c60\u677f\u4e0e\u6c34\u6cf5\u7cfb\u7edf\u5339\u914d\u65f6\uff0c\u7535\u6c60\u677f\u7684\u5177\u4f53\u54c1\u724c\u662f\u6b21\u8981\u7684\uff0c\u5176\u7535\u6c14\u7279\u6027\u66f4\u4e3a\u91cd\u8981\u3002\u5173\u952e\u7684\u5de5\u7a0b\u76ee\u6807\u662f\uff1a<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>","protected":false},"author":4,"featured_media":7513,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","om_disable_all_campaigns":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"_joinchat":[],"footnotes":"","jetpack_post_was_ever_published":false},"categories":[76,212],"tags":[266,283,282],"class_list":["post-7587","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-solar-pump-inverter","category-solutions","tag-ac-pump-solarization","tag-panel-agnostic","tag-pv-sizing"],"jetpack_featured_media_url":"https:\/\/hobertek.com\/wp-content\/uploads\/2026\/07\/Hober-Solar-Pump-Inverter-IP65-Cooling-Test-in-Saudi-Arabia.png","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/hobertek.com\/zh\/wp-json\/wp\/v2\/posts\/7587","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hobertek.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hobertek.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hobertek.com\/zh\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/hobertek.com\/zh\/wp-json\/wp\/v2\/comments?post=7587"}],"version-history":[{"count":0,"href":"https:\/\/hobertek.com\/zh\/wp-json\/wp\/v2\/posts\/7587\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hobertek.com\/zh\/wp-json\/wp\/v2\/media\/7513"}],"wp:attachment":[{"href":"https:\/\/hobertek.com\/zh\/wp-json\/wp\/v2\/media?parent=7587"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hobertek.com\/zh\/wp-json\/wp\/v2\/categories?post=7587"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hobertek.com\/zh\/wp-json\/wp\/v2\/tags?post=7587"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}