{"id":8000,"date":"2025-05-12T14:42:31","date_gmt":"2025-05-12T06:42:31","guid":{"rendered":"https:\/\/chinagode.com\/?p=8000"},"modified":"2025-10-11T17:58:12","modified_gmt":"2025-10-11T09:58:12","slug":"le-rapport-c-c-c-a-explique-ce-quil-signifie-et-la-meilleure-plage-pour-les-systemes-solaires","status":"publish","type":"post","link":"https:\/\/chinagode.com\/fr\/blog\/dc-ac-ratio-explained-what-it-means-and-the-best-range-for-solar-systems\/","title":{"rendered":"Explication du rapport DC\/AC : Ce qu'il signifie et la meilleure plage pour les syst\u00e8mes solaires"},"content":{"rendered":"<style>.wp-block-kadence-advancedheading.kt-adv-heading8000_ce3f94-ba, .wp-block-kadence-advancedheading.kt-adv-heading8000_ce3f94-ba[data-kb-block=\"kb-adv-heading8000_ce3f94-ba\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading8000_ce3f94-ba mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading8000_ce3f94-ba[data-kb-block=\"kb-adv-heading8000_ce3f94-ba\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading8000_ce3f94-ba img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading8000_ce3f94-ba[data-kb-block=\"kb-adv-heading8000_ce3f94-ba\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading8000_ce3f94-ba wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading8000_ce3f94-ba\">What is DC\/AC Ratio?<\/h2>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading8000_da763e-eb, .wp-block-kadence-advancedheading.kt-adv-heading8000_da763e-eb[data-kb-block=\"kb-adv-heading8000_da763e-eb\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading8000_da763e-eb mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading8000_da763e-eb[data-kb-block=\"kb-adv-heading8000_da763e-eb\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading8000_da763e-eb img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading8000_da763e-eb[data-kb-block=\"kb-adv-heading8000_da763e-eb\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading8000_da763e-eb wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading8000_da763e-eb\">The DC\/AC ratio, also known as the DC to AC ratio, refers to the ratio between the direct current (DC) rated power of a photovoltaic (PV) array and the alternating current (AC) rated output of an inverter.<\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading8000_dba091-2a, .wp-block-kadence-advancedheading.kt-adv-heading8000_dba091-2a[data-kb-block=\"kb-adv-heading8000_dba091-2a\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading8000_dba091-2a mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading8000_dba091-2a[data-kb-block=\"kb-adv-heading8000_dba091-2a\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading8000_dba091-2a img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading8000_dba091-2a[data-kb-block=\"kb-adv-heading8000_dba091-2a\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h3 class=\"kt-adv-heading8000_dba091-2a wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading8000_dba091-2a\">Formula:<\/h3>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading8000_f55117-86, .wp-block-kadence-advancedheading.kt-adv-heading8000_f55117-86[data-kb-block=\"kb-adv-heading8000_f55117-86\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading8000_f55117-86 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading8000_f55117-86[data-kb-block=\"kb-adv-heading8000_f55117-86\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading8000_f55117-86 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading8000_f55117-86[data-kb-block=\"kb-adv-heading8000_f55117-86\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading8000_f55117-86 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading8000_f55117-86\">DC\/AC&nbsp;Ratio=&nbsp;PV&nbsp;Array\u2019s&nbsp;DC&nbsp;Power&nbsp;(kW) \/ Inverter\u2019s&nbsp;AC&nbsp;Power&nbsp;(kW)<\/p>\n\n\n<style>.kb-image8000_30e18b-29.kb-image-is-ratio-size, .kb-image8000_30e18b-29 .kb-image-is-ratio-size{max-width:800px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image8000_30e18b-29.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image8000_30e18b-29 .kb-image-is-ratio-size{align-self:unset;}.kb-image8000_30e18b-29 figure{max-width:800px;}.kb-image8000_30e18b-29 .image-is-svg, .kb-image8000_30e18b-29 .image-is-svg img{width:100%;}.kb-image8000_30e18b-29 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image8000_30e18b-29\"><figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/chinagode.com\/wp-content\/uploads\/2025\/05\/DC-AC-ratio.webp\" alt=\"DC\/AC Ratio Formula\" class=\"kb-img wp-image-8007\" srcset=\"https:\/\/chinagode.com\/wp-content\/uploads\/2025\/05\/DC-AC-ratio.webp 1000w, https:\/\/chinagode.com\/wp-content\/uploads\/2025\/05\/DC-AC-ratio-768x768.webp 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption>DC\/AC Ratio Formula<\/figcaption><\/figure><\/div>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading8000_06539b-1f, .wp-block-kadence-advancedheading.kt-adv-heading8000_06539b-1f[data-kb-block=\"kb-adv-heading8000_06539b-1f\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading8000_06539b-1f mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading8000_06539b-1f[data-kb-block=\"kb-adv-heading8000_06539b-1f\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading8000_06539b-1f img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading8000_06539b-1f[data-kb-block=\"kb-adv-heading8000_06539b-1f\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h3 class=\"kt-adv-heading8000_06539b-1f wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading8000_06539b-1f\"><strong>Example:<\/strong><\/h3>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading8000_12d68d-8c, .wp-block-kadence-advancedheading.kt-adv-heading8000_12d68d-8c[data-kb-block=\"kb-adv-heading8000_12d68d-8c\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading8000_12d68d-8c mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading8000_12d68d-8c[data-kb-block=\"kb-adv-heading8000_12d68d-8c\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading8000_12d68d-8c img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading8000_12d68d-8c[data-kb-block=\"kb-adv-heading8000_12d68d-8c\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading8000_12d68d-8c wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading8000_12d68d-8c\">If a PV array has a rated DC capacity of 12kW and the inverter has an AC rated output of 10kW, the DC\/AC ratio would be 1.2.<\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading8000_da763e-eb, .wp-block-kadence-advancedheading.kt-adv-heading8000_da763e-eb[data-kb-block=\"kb-adv-heading8000_da763e-eb\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading8000_da763e-eb mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading8000_da763e-eb[data-kb-block=\"kb-adv-heading8000_da763e-eb\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading8000_da763e-eb img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading8000_da763e-eb[data-kb-block=\"kb-adv-heading8000_da763e-eb\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading8000_da763e-eb wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading8000_da763e-eb\"><strong>What Is the Ideal DC\/AC Ratio?<\/strong><\/h2>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading8000_da763e-eb, .wp-block-kadence-advancedheading.kt-adv-heading8000_da763e-eb[data-kb-block=\"kb-adv-heading8000_da763e-eb\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading8000_da763e-eb mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading8000_da763e-eb[data-kb-block=\"kb-adv-heading8000_da763e-eb\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading8000_da763e-eb img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading8000_da763e-eb[data-kb-block=\"kb-adv-heading8000_da763e-eb\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading8000_da763e-eb wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading8000_da763e-eb\">In most cases, the ideal DC\/AC ratio typically ranges between 1.2 and 1.4. However, the optimal value can vary based on local climate conditions, equipment costs, and specific project goals.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Application Scenario<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Recommended DC\/AC Ratio<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Standard Residential or Commercial Solar Projects<\/td><td class=\"has-text-align-center\" data-align=\"center\">1.1 ~ 1.3<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Cloudy Regions or Low Light Areas<\/td><td class=\"has-text-align-center\" data-align=\"center\">1.3 ~ 1.5<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">High-Sunlight Regions<\/td><td class=\"has-text-align-center\" data-align=\"center\">Around 1.1 or slightly lower<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Expensive Inverters and Cheap Panels (Economic Optimization)<\/td><td class=\"has-text-align-center\" data-align=\"center\">1.3 ~ 1.5<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Cases Where Inverter Overloading Must Be Minimized<\/td><td class=\"has-text-align-center\" data-align=\"center\">1.1 or lower<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading8000_8ffd97-e9, .wp-block-kadence-advancedheading.kt-adv-heading8000_8ffd97-e9[data-kb-block=\"kb-adv-heading8000_8ffd97-e9\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading8000_8ffd97-e9 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading8000_8ffd97-e9[data-kb-block=\"kb-adv-heading8000_8ffd97-e9\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading8000_8ffd97-e9 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading8000_8ffd97-e9[data-kb-block=\"kb-adv-heading8000_8ffd97-e9\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading8000_8ffd97-e9 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading8000_8ffd97-e9\">Risks of a High DC\/AC Ratio (>1.5)<\/h2>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading8000_8ffd97-e9, .wp-block-kadence-advancedheading.kt-adv-heading8000_8ffd97-e9[data-kb-block=\"kb-adv-heading8000_8ffd97-e9\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading8000_8ffd97-e9 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading8000_8ffd97-e9[data-kb-block=\"kb-adv-heading8000_8ffd97-e9\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading8000_8ffd97-e9 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading8000_8ffd97-e9[data-kb-block=\"kb-adv-heading8000_8ffd97-e9\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h3 class=\"kt-adv-heading8000_8ffd97-e9 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading8000_8ffd97-e9\">Common Issues:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Clipping Loss<\/strong>: When sunlight is abundant, the inverter becomes overloaded and cannot convert all available DC power into AC, resulting in energy loss.<\/li>\n\n\n\n<li><strong>Equipment Stress<\/strong>: Prolonged high-load operation can shorten inverter lifespan.<\/li>\n\n\n\n<li><strong>Reduced ROI<\/strong>: Excess solar panel capacity is underutilized, lowering overall system returns.<\/li>\n<\/ul>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading8000_8ffd97-e9, .wp-block-kadence-advancedheading.kt-adv-heading8000_8ffd97-e9[data-kb-block=\"kb-adv-heading8000_8ffd97-e9\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading8000_8ffd97-e9 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading8000_8ffd97-e9[data-kb-block=\"kb-adv-heading8000_8ffd97-e9\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading8000_8ffd97-e9 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading8000_8ffd97-e9[data-kb-block=\"kb-adv-heading8000_8ffd97-e9\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h3 class=\"kt-adv-heading8000_8ffd97-e9 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading8000_8ffd97-e9\"><strong>Example:<\/strong><\/h3>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading8000_8ffd97-e9, .wp-block-kadence-advancedheading.kt-adv-heading8000_8ffd97-e9[data-kb-block=\"kb-adv-heading8000_8ffd97-e9\"]{padding-bottom:0px;margin-bottom:0px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading8000_8ffd97-e9 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading8000_8ffd97-e9[data-kb-block=\"kb-adv-heading8000_8ffd97-e9\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading8000_8ffd97-e9 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading8000_8ffd97-e9[data-kb-block=\"kb-adv-heading8000_8ffd97-e9\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading8000_8ffd97-e9 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading8000_8ffd97-e9\">If a system has a DC\/AC ratio of 1.8 (18kW DC to 10kW AC inverter), during peak sunlight hours, the inverter can only output 10kW, and the extra 8kW is &#8220;clipped.&#8221;<\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading8000_08c10c-77, .wp-block-kadence-advancedheading.kt-adv-heading8000_08c10c-77[data-kb-block=\"kb-adv-heading8000_08c10c-77\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading8000_08c10c-77 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading8000_08c10c-77[data-kb-block=\"kb-adv-heading8000_08c10c-77\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading8000_08c10c-77 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading8000_08c10c-77[data-kb-block=\"kb-adv-heading8000_08c10c-77\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading8000_08c10c-77 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading8000_08c10c-77\"><strong>Risks of a Low DC\/AC Ratio (&lt;1.0)<\/strong><\/h2>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading8000_82e07a-b0, .wp-block-kadence-advancedheading.kt-adv-heading8000_82e07a-b0[data-kb-block=\"kb-adv-heading8000_82e07a-b0\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading8000_82e07a-b0 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading8000_82e07a-b0[data-kb-block=\"kb-adv-heading8000_82e07a-b0\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading8000_82e07a-b0 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading8000_82e07a-b0[data-kb-block=\"kb-adv-heading8000_82e07a-b0\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h3 class=\"kt-adv-heading8000_82e07a-b0 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading8000_82e07a-b0\">Common Issues:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Inverter Underutilization<\/strong>: AC capacity is not fully used, leading to investment waste.<\/li>\n\n\n\n<li><strong>Reduced Energy Yield<\/strong>: During peak sunlight, the system output is limited.<\/li>\n\n\n\n<li><strong>Higher System Costs<\/strong>: Oversized inverters result in higher initial investment and installation costs.<\/li>\n<\/ul>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading8000_d15bf3-f6, .wp-block-kadence-advancedheading.kt-adv-heading8000_d15bf3-f6[data-kb-block=\"kb-adv-heading8000_d15bf3-f6\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading8000_d15bf3-f6 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading8000_d15bf3-f6[data-kb-block=\"kb-adv-heading8000_d15bf3-f6\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading8000_d15bf3-f6 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading8000_d15bf3-f6[data-kb-block=\"kb-adv-heading8000_d15bf3-f6\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h3 class=\"kt-adv-heading8000_d15bf3-f6 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading8000_d15bf3-f6\"><strong>Example:<\/strong><\/h3>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading8000_8ffd97-e9, .wp-block-kadence-advancedheading.kt-adv-heading8000_8ffd97-e9[data-kb-block=\"kb-adv-heading8000_8ffd97-e9\"]{padding-bottom:0px;margin-bottom:0px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading8000_8ffd97-e9 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading8000_8ffd97-e9[data-kb-block=\"kb-adv-heading8000_8ffd97-e9\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading8000_8ffd97-e9 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading8000_8ffd97-e9[data-kb-block=\"kb-adv-heading8000_8ffd97-e9\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading8000_8ffd97-e9 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading8000_8ffd97-e9\">If a system has a DC\/AC ratio of 0.8 (8kW DC to 10kW AC inverter), the inverter would often operate below its full capacity, leaving 2kW unused.<\/p>\n\n\n<style>.wp-block-kadence-image.kb-image8000_9a3af9-59:not(.kb-specificity-added):not(.kb-extra-specificity-added){margin-top:var(--global-kb-spacing-auto, auto);margin-bottom:0px;}.kb-image8000_9a3af9-59:not(.kb-image-is-ratio-size) .kb-img, .kb-image8000_9a3af9-59.kb-image-is-ratio-size{padding-bottom:0px;}.kb-image8000_9a3af9-59 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image8000_9a3af9-59\"><figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"800\" height=\"579\" src=\"https:\/\/chinagode.com\/wp-content\/uploads\/2025\/05\/DC-Power.webp\" alt=\"DC Power\" class=\"kb-img wp-image-8010\" srcset=\"https:\/\/chinagode.com\/wp-content\/uploads\/2025\/05\/DC-Power.webp 800w, https:\/\/chinagode.com\/wp-content\/uploads\/2025\/05\/DC-Power-768x556.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption>DC Power<\/figcaption><\/figure><\/div>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading8000_08c10c-77, .wp-block-kadence-advancedheading.kt-adv-heading8000_08c10c-77[data-kb-block=\"kb-adv-heading8000_08c10c-77\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading8000_08c10c-77 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading8000_08c10c-77[data-kb-block=\"kb-adv-heading8000_08c10c-77\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading8000_08c10c-77 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading8000_08c10c-77[data-kb-block=\"kb-adv-heading8000_08c10c-77\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading8000_08c10c-77 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading8000_08c10c-77\">Key Factors to Balance When Designing DC\/AC Ratio<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>1. Clipping Tolerance<\/strong>: A small amount of clipping (e.g., less than 5% of annual hours) is often acceptable to achieve higher overall energy production.<\/li>\n\n\n\n<li><strong>2. Temperature Impact<\/strong>: In high-temperature regions, PV module efficiency decreases, thus a higher DC\/AC ratio can help compensate for losses.<\/li>\n\n\n\n<li><strong>3. Inverter Technology<\/strong>: Some inverters allow short-term overloading (e.g., up to 110% rated output), offering more flexible system designs.<\/li>\n<\/ul>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading8000_03da6f-07, .wp-block-kadence-advancedheading.kt-adv-heading8000_03da6f-07[data-kb-block=\"kb-adv-heading8000_03da6f-07\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading8000_03da6f-07 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading8000_03da6f-07[data-kb-block=\"kb-adv-heading8000_03da6f-07\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading8000_03da6f-07 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading8000_03da6f-07[data-kb-block=\"kb-adv-heading8000_03da6f-07\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h3 class=\"kt-adv-heading8000_03da6f-07 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading8000_03da6f-07\">Real-World Optimization Case<\/h3>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading8000_03da6f-07, .wp-block-kadence-advancedheading.kt-adv-heading8000_03da6f-07[data-kb-block=\"kb-adv-heading8000_03da6f-07\"]{padding-bottom:0px;margin-bottom:0px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading8000_03da6f-07 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading8000_03da6f-07[data-kb-block=\"kb-adv-heading8000_03da6f-07\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading8000_03da6f-07 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading8000_03da6f-07[data-kb-block=\"kb-adv-heading8000_03da6f-07\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading8000_03da6f-07 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading8000_03da6f-07\">In California, where solar irradiance is strong and temperatures are moderate, a solar plant was designed with a DC\/AC ratio of 1.3. This setup achieved a 12% increase in annual energy production, with only 2% clipping losses, delivering the best overall economic return.<\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading8000_a2cf57-85, .wp-block-kadence-advancedheading.kt-adv-heading8000_a2cf57-85[data-kb-block=\"kb-adv-heading8000_a2cf57-85\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading8000_a2cf57-85 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading8000_a2cf57-85[data-kb-block=\"kb-adv-heading8000_a2cf57-85\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading8000_a2cf57-85 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading8000_a2cf57-85[data-kb-block=\"kb-adv-heading8000_a2cf57-85\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading8000_a2cf57-85 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading8000_a2cf57-85\"><strong>Conclusion<\/strong><\/h2>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading8000_03da6f-07, .wp-block-kadence-advancedheading.kt-adv-heading8000_03da6f-07[data-kb-block=\"kb-adv-heading8000_03da6f-07\"]{padding-bottom:0px;margin-bottom:0px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading8000_03da6f-07 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading8000_03da6f-07[data-kb-block=\"kb-adv-heading8000_03da6f-07\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading8000_03da6f-07 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading8000_03da6f-07[data-kb-block=\"kb-adv-heading8000_03da6f-07\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading8000_03da6f-07 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading8000_03da6f-07\">Designing the right DC\/AC ratio is crucial for maximizing the efficiency, lifespan, and profitability of a solar <a href=\"https:\/\/chinagode.com\/solutions\/residential-pv-system\/\" data-type=\"page\" data-id=\"6463\">PV system<\/a>. By carefully balancing local conditions, equipment characteristics, and project goals, solar developers can significantly improve the overall performance and financial returns of their solar installations.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>D\u00e9couvrez ce que signifie le rapport DC\/AC pour les syst\u00e8mes solaires, la plage DC\/AC id\u00e9ale et comment une conception appropri\u00e9e peut optimiser la production d'\u00e9nergie solaire, la dur\u00e9e de vie du syst\u00e8me et le retour sur investissement. Guide d'expert sur l'efficacit\u00e9 des syst\u00e8mes solaires photovolta\u00efques.<\/p>","protected":false},"author":1,"featured_media":8010,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[25,133],"tags":[165,131],"class_list":["post-8000","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-solar-system","tag-cost-optimization","tag-renewable-energy"],"acf":[],"taxonomy_info":{"category":[{"value":25,"label":"Blog"},{"value":133,"label":"Solar System"}],"post_tag":[{"value":165,"label":"Cost Optimization"},{"value":131,"label":"Renewable Energy"}]},"featured_image_src_large":["https:\/\/chinagode.com\/wp-content\/uploads\/2025\/05\/DC-Power.webp",800,579,false],"author_info":{"display_name":"godestore","author_link":"https:\/\/chinagode.com\/fr\/author\/godestore\/"},"comment_info":0,"category_info":[{"term_id":25,"name":"Blog","slug":"blog","term_group":0,"term_taxonomy_id":25,"taxonomy":"category","description":"Check out our blog for expertise and information on green energy.","parent":0,"count":47,"filter":"raw","cat_ID":25,"category_count":47,"category_description":"Check out our blog for expertise and information on green energy.","cat_name":"Blog","category_nicename":"blog","category_parent":0},{"term_id":133,"name":"Solar System","slug":"solar-system","term_group":0,"term_taxonomy_id":133,"taxonomy":"category","description":"Learn how complete solar systems work\u2014from panel selection to inverter matching and energy storage setup.","parent":25,"count":10,"filter":"raw","cat_ID":133,"category_count":10,"category_description":"Learn how complete solar systems work\u2014from panel selection to inverter matching and energy storage setup.","cat_name":"Solar System","category_nicename":"solar-system","category_parent":25}],"tag_info":[{"term_id":165,"name":"Cost Optimization","slug":"cost-optimization","term_group":0,"term_taxonomy_id":165,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":131,"name":"Renewable Energy","slug":"renewable-energy","term_group":0,"term_taxonomy_id":131,"taxonomy":"post_tag","description":"","parent":0,"count":5,"filter":"raw"}],"_links":{"self":[{"href":"https:\/\/chinagode.com\/fr\/wp-json\/wp\/v2\/posts\/8000","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/chinagode.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chinagode.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chinagode.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/chinagode.com\/fr\/wp-json\/wp\/v2\/comments?post=8000"}],"version-history":[{"count":9,"href":"https:\/\/chinagode.com\/fr\/wp-json\/wp\/v2\/posts\/8000\/revisions"}],"predecessor-version":[{"id":13783,"href":"https:\/\/chinagode.com\/fr\/wp-json\/wp\/v2\/posts\/8000\/revisions\/13783"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chinagode.com\/fr\/wp-json\/wp\/v2\/media\/8010"}],"wp:attachment":[{"href":"https:\/\/chinagode.com\/fr\/wp-json\/wp\/v2\/media?parent=8000"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chinagode.com\/fr\/wp-json\/wp\/v2\/categories?post=8000"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chinagode.com\/fr\/wp-json\/wp\/v2\/tags?post=8000"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}