{"id":24973,"date":"2022-10-12T09:00:00","date_gmt":"2022-10-12T07:00:00","guid":{"rendered":"https:\/\/www.comarcond.com\/?p=24973"},"modified":"2022-09-20T10:23:05","modified_gmt":"2022-09-20T08:23:05","slug":"rifasamento-in-presenza-di-un-impianto-fotovoltaico","status":"publish","type":"post","link":"https:\/\/www.comarcond.com\/en\/rifasamento-in-presenza-di-un-impianto-fotovoltaico\/","title":{"rendered":"Capacitor Banks when PV system is in place"},"content":{"rendered":"\n<p>Investing in a <strong>photovoltaic system<\/strong> is certainly a wise decision: it avoids the combustion of fossil fuels and helps to reduce the consumption of electricity. However, the introduction of this additional energy supply leads to a change in the electrical features of the system.<\/p>\n\n\n\n<p>The main critical issues are:<\/p>\n\n\n\n<ul><li>decrease in the <strong>cos<\/strong><strong>\u03c6<\/strong> on the distributor side, due to the lower active power supplied (supplied by the photovoltaic), keeping the reactive power constant;<\/li><\/ul>\n\n\n\n<ul><li>the addition of on-site exchange photovoltaics makes <strong>the existing power factor correction insufficient<\/strong>, in terms of capacitive reactive power on board;<\/li><\/ul>\n\n\n\n<ul><li>by increasing the quantity of kvar installed, the ratio between the power factor correction and the apparent power of the MV \/ LV transformer changes and it is therefore necessary to re-check the <strong>risk of resonance<\/strong>;<\/li><\/ul>\n\n\n\n<ul><li>on days with scattered clouds but clear skies, the PV system provides a very variable <strong>instantaneous power<\/strong>, with a high number of PFC equipment operations (= wear of the contactors) to ensure the correct cos\u03c6.<\/li><\/ul>\n\n\n\n<p>Unfortunately, many companies do not take these factors into consideration and are unaware that the installation of a PV system worsens the <strong>power factor<\/strong>.<\/p>\n\n\n\n<p>By choosing to rely on <strong>COMAR<\/strong> you will not only find a consultant able to recommend the best solution, but you will also purchase a durable product capable of managing the situation effectively, thanks to the appropriate <strong>regulator<\/strong>!<\/p>\n\n\n\n<p>Download the <strong>Business Case<\/strong>, and find out how a COMAR power factor correction equipment is able to cope with system conditions when PV system is in place.<\/p>\n","protected":false},"excerpt":{"rendered":"<p> &hellip; <a href=\"https:\/\/www.comarcond.com\/en\/rifasamento-in-presenza-di-un-impianto-fotovoltaico\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Capacitor Banks when PV system is in place&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":24982,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[134],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/www.comarcond.com\/en\/wp-json\/wp\/v2\/posts\/24973"}],"collection":[{"href":"https:\/\/www.comarcond.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.comarcond.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.comarcond.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.comarcond.com\/en\/wp-json\/wp\/v2\/comments?post=24973"}],"version-history":[{"count":2,"href":"https:\/\/www.comarcond.com\/en\/wp-json\/wp\/v2\/posts\/24973\/revisions"}],"predecessor-version":[{"id":24981,"href":"https:\/\/www.comarcond.com\/en\/wp-json\/wp\/v2\/posts\/24973\/revisions\/24981"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.comarcond.com\/en\/wp-json\/wp\/v2\/media\/24982"}],"wp:attachment":[{"href":"https:\/\/www.comarcond.com\/en\/wp-json\/wp\/v2\/media?parent=24973"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.comarcond.com\/en\/wp-json\/wp\/v2\/categories?post=24973"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.comarcond.com\/en\/wp-json\/wp\/v2\/tags?post=24973"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}