{"id":1322,"date":"2023-03-29T10:17:15","date_gmt":"2023-03-29T08:17:15","guid":{"rendered":"https:\/\/elsol.bg\/?p=1322"},"modified":"2023-11-01T10:31:05","modified_gmt":"2023-11-01T08:31:05","slug":"components-photovoltaic-system","status":"publish","type":"post","link":"https:\/\/elsol.bg\/en\/components-photovoltaic-system\/","title":{"rendered":"What components does a photovoltaic system consist of and how does it work?"},"content":{"rendered":"<section class=\"wpb-content-wrapper\"><p>[vc_row][vc_column]<div id=\"ultimate-heading-91269e732bba7335\" class=\"uvc-heading ult-adjust-bottom-margin ultimate-heading-91269e732bba7335 uvc-7115 \" data-hspacer=\"no_spacer\"  data-halign=\"left\" style=\"text-align:left\"><div class=\"uvc-heading-spacer no_spacer\" style=\"top\"><\/div><div class=\"uvc-main-heading ult-responsive\"  data-ultimate-target='.uvc-heading.ultimate-heading-91269e732bba7335 h1'  data-responsive-json-new='{\"font-size\":\"desktop:40px;\",\"line-height\":\"desktop:48px;\"}' ><h1 style=\"font-family:&#039;Jura&#039;;font-weight:700;margin-bottom:40px;\">What components does a photovoltaic system consist of and how does it work?<\/h1><\/div><\/div>[vc_row_inner content_placement=&#8221;middle&#8221;][vc_column_inner width=&#8221;1\/2&#8243;][vc_column_text]A photovoltaic system, also known as a solar system, is an energy system that converts sunlight into electricity. This is the so-called photovoltaic effect or PV effect. It consists of various components: solar panels, inverter, controller, rechargeable battery, electricity meter, wiring and other electrical accessories. Depending on whether it is autonomous, mains or combined, the solar system turns some of the components on or off, but the basic operating principles are the same.<\/p>\n<p>Due to their silent functioning, without emission, they have established themselves on the energy market and more and more companies, homes and farms prefer them as a source of electricity.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#8243;][vc_single_image image=&#8221;1065&#8243; img_size=&#8221;full&#8221;][\/vc_column_inner][\/vc_row_inner]<div class=\"ult-spacer spacer-69e732bba7377\" data-id=\"69e732bba7377\" data-height=\"20\" data-height-mobile=\"20\" data-height-tab=\"20\" data-height-tab-portrait=\"\" data-height-mobile-landscape=\"\" style=\"clear:both;display:block;\"><\/div><div id=\"ultimate-heading-227969e732bba7397\" class=\"uvc-heading ult-adjust-bottom-margin ultimate-heading-227969e732bba7397 uvc-1783 \" data-hspacer=\"no_spacer\"  data-halign=\"left\" style=\"text-align:left\"><div class=\"uvc-heading-spacer no_spacer\" style=\"top\"><\/div><div class=\"uvc-main-heading ult-responsive\"  data-ultimate-target='.uvc-heading.ultimate-heading-227969e732bba7397 h2'  data-responsive-json-new='{\"font-size\":\"desktop:30px;\",\"line-height\":\"desktop:38px;\"}' ><h2 style=\"font-family:&#039;Jura&#039;;font-weight:700;margin-bottom:20px;\">The PV system \u2013 components<\/h2><\/div><\/div><div class=\"uavc-list-icon uavc-list-icon-wrapper ult-adjust-bottom-margin   vc_custom_1680072183666  vc_custom_1680072183666\"><ul class=\"uavc-list\"><li><div class=\"uavc-list-content\" id=\"list-icon-wrap-2392\">\n<div class=\"uavc-list-icon  \" data-animation=\"\" data-animation-delay=\"03\" style=\"margin-right:20px;\"><div class=\"ult-just-icon-wrapper  \"><div class=\"align-icon\" style=\"text-align:center;\">\n<div class=\"aio-icon none \"  style=\"color:#51ae32;font-size:26px;display:inline-block;\">\n\t<i class=\"icomoon-the7-font-the7-plus-11\"><\/i>\n<\/div><\/div><\/div>\n<\/div><span  data-ultimate-target='#list-icon-wrap-2392 .uavc-list-desc'  data-responsive-json-new='{\"font-size\":\"\",\"line-height\":\"\"}'  class=\"uavc-list-desc ult-responsive\" style=\"\"><strong>Solar panels<\/strong> \u2013 a photovoltaic installation can consist of one or more solar panels. They absorb and convert sunlight into electricity. They are also called generators.<\/span><\/div><\/li><li><div class=\"uavc-list-content\" id=\"list-icon-wrap-6780\">\n<div class=\"uavc-list-icon  \" data-animation=\"\" data-animation-delay=\"03\" style=\"margin-right:20px;\"><div class=\"ult-just-icon-wrapper  \"><div class=\"align-icon\" style=\"text-align:center;\">\n<div class=\"aio-icon none \"  style=\"color:#ffd500;font-size:26px;display:inline-block;\">\n\t<i class=\"icomoon-the7-font-the7-plus-11\"><\/i>\n<\/div><\/div><\/div>\n<\/div><span  data-ultimate-target='#list-icon-wrap-6780 .uavc-list-desc'  data-responsive-json-new='{\"font-size\":\"\",\"line-height\":\"\"}'  class=\"uavc-list-desc ult-responsive\" style=\"\"><strong>Controller<\/strong> \u2013 a device that serves for continuous measurement and control of the operation of the solar panels. Takes into account voltage, current, temperature and many more parameters and values.<\/span><\/div><\/li><li><div class=\"uavc-list-content\" id=\"list-icon-wrap-3673\">\n<div class=\"uavc-list-icon  \" data-animation=\"\" data-animation-delay=\"03\" style=\"margin-right:20px;\"><div class=\"ult-just-icon-wrapper  \"><div class=\"align-icon\" style=\"text-align:center;\">\n<div class=\"aio-icon none \"  style=\"color:#51ae32;font-size:26px;display:inline-block;\">\n\t<i class=\"icomoon-the7-font-the7-plus-11\"><\/i>\n<\/div><\/div><\/div>\n<\/div><span  data-ultimate-target='#list-icon-wrap-3673 .uavc-list-desc'  data-responsive-json-new='{\"font-size\":\"\",\"line-height\":\"\"}'  class=\"uavc-list-desc ult-responsive\" style=\"\"><strong>Inverter<\/strong> \u2013 The direct current produced by the photovoltaic system is converted by an inverter into an AC power supply, which can now be used by households, farms or production bases.<\/span><\/div><\/li><li><div class=\"uavc-list-content\" id=\"list-icon-wrap-1583\">\n<div class=\"uavc-list-icon  \" data-animation=\"\" data-animation-delay=\"03\" style=\"margin-right:20px;\"><div class=\"ult-just-icon-wrapper  \"><div class=\"align-icon\" style=\"text-align:center;\">\n<div class=\"aio-icon none \"  style=\"color:#ffd500;font-size:26px;display:inline-block;\">\n\t<i class=\"icomoon-the7-font-the7-plus-11\"><\/i>\n<\/div><\/div><\/div>\n<\/div><span  data-ultimate-target='#list-icon-wrap-1583 .uavc-list-desc'  data-responsive-json-new='{\"font-size\":\"\",\"line-height\":\"\"}'  class=\"uavc-list-desc ult-responsive\" style=\"\"><strong>Storage system (battery)<\/strong> \u2013 this is a component of the photovoltaic system that is not mandatory, since its operation does not depend on it. The batteries serve to store the energy generated by sunlight and, if necessary, the system draws electricity from them.<\/span><\/div><\/li><li><div class=\"uavc-list-content\" id=\"list-icon-wrap-5335\">\n<div class=\"uavc-list-icon  \" data-animation=\"\" data-animation-delay=\"03\" style=\"margin-right:20px;\"><div class=\"ult-just-icon-wrapper  \"><div class=\"align-icon\" style=\"text-align:center;\">\n<div class=\"aio-icon none \"  style=\"color:#51ae32;font-size:26px;display:inline-block;\">\n\t<i class=\"icomoon-the7-font-the7-plus-11\"><\/i>\n<\/div><\/div><\/div>\n<\/div><span  data-ultimate-target='#list-icon-wrap-5335 .uavc-list-desc'  data-responsive-json-new='{\"font-size\":\"\",\"line-height\":\"\"}'  class=\"uavc-list-desc ult-responsive\" style=\"\"><strong>Electricity meter<\/strong> \u2013 in cases where the system is hybrid and uses not only the electricity produced by the photovoltaic system, but also electricity from the electricity grid. Measures the electricity used. In the case of a variant with the sale of electricity (bi-directionality), the meter measures both the external energy used and that which the system supplies for sale.<\/span><\/div><\/li><li><div class=\"uavc-list-content\" id=\"list-icon-wrap-1719\">\n<div class=\"uavc-list-icon  \" data-animation=\"\" data-animation-delay=\"03\" style=\"margin-right:20px;\"><div class=\"ult-just-icon-wrapper  \"><div class=\"align-icon\" style=\"text-align:center;\">\n<div class=\"aio-icon none \"  style=\"color:#ffd500;font-size:26px;display:inline-block;\">\n\t<i class=\"icomoon-the7-font-the7-plus-11\"><\/i>\n<\/div><\/div><\/div>\n<\/div><span  data-ultimate-target='#list-icon-wrap-1719 .uavc-list-desc'  data-responsive-json-new='{\"font-size\":\"\",\"line-height\":\"\"}'  class=\"uavc-list-desc ult-responsive\" style=\"\"><strong>Connection to the electricity grid<\/strong> \u2013 it is needed when electricity from the grid will be used or sold to an energy company.<\/span><\/div><\/li><li><div class=\"uavc-list-content\" id=\"list-icon-wrap-3394\">\n<div class=\"uavc-list-icon  \" data-animation=\"\" data-animation-delay=\"03\" style=\"margin-right:20px;\"><div class=\"ult-just-icon-wrapper  \"><div class=\"align-icon\" style=\"text-align:center;\">\n<div class=\"aio-icon none \"  style=\"color:#51ae32;font-size:26px;display:inline-block;\">\n\t<i class=\"icomoon-the7-font-the7-plus-11\"><\/i>\n<\/div><\/div><\/div>\n<\/div><span  data-ultimate-target='#list-icon-wrap-3394 .uavc-list-desc'  data-responsive-json-new='{\"font-size\":\"\",\"line-height\":\"\"}'  class=\"uavc-list-desc ult-responsive\" style=\"\"><strong>Connection to your own electricity grid<\/strong> \u2013 it is needed with a photovoltaic system for your own needs for home and business.<\/span><\/div><\/li><\/ul><\/div>[\/vc_column][\/vc_row][vc_row css=&#8221;.vc_custom_1680072075332{margin-bottom: 20px !important;}&#8221;][vc_column]<div id=\"ultimate-heading-13169e732bba765a\" class=\"uvc-heading ult-adjust-bottom-margin ultimate-heading-13169e732bba765a uvc-4364 \" data-hspacer=\"no_spacer\"  data-halign=\"left\" style=\"text-align:left\"><div class=\"uvc-heading-spacer no_spacer\" style=\"top\"><\/div><div class=\"uvc-main-heading ult-responsive\"  data-ultimate-target='.uvc-heading.ultimate-heading-13169e732bba765a h3'  data-responsive-json-new='{\"font-size\":\"desktop:30px;\",\"line-height\":\"desktop:38px;\"}' ><h3 style=\"font-family:&#039;Jura&#039;;font-weight:700;\">Operating principles of photovoltaic system types<\/h3><\/div><\/div><div class=\"ult-spacer spacer-69e732bba7678\" data-id=\"69e732bba7678\" data-height=\"30\" data-height-mobile=\"30\" data-height-tab=\"30\" data-height-tab-portrait=\"\" data-height-mobile-landscape=\"\" style=\"clear:both;display:block;\"><\/div><div id=\"ultimate-heading-227769e732bba768e\" class=\"uvc-heading ult-adjust-bottom-margin ultimate-heading-227769e732bba768e uvc-3098 \" data-hspacer=\"no_spacer\"  data-halign=\"left\" style=\"text-align:left\"><div class=\"uvc-heading-spacer no_spacer\" style=\"top\"><\/div><div class=\"uvc-main-heading ult-responsive\"  data-ultimate-target='.uvc-heading.ultimate-heading-227769e732bba768e h3'  data-responsive-json-new='{\"font-size\":\"desktop:24px;\",\"line-height\":\"desktop:32px;\"}' ><h3 style=\"font-family:&#039;Jura&#039;;font-weight:700;color:#51ae32;margin-bottom:20px;\">Autonomous PV System or OFF GRID System<\/h3><\/div><\/div>[vc_column_text]These PV systems use only the electricity they produce and are not connected to the grid. They include batteries to store the produced energy to ensure a continuous supply of electricity during the dark of the day.[\/vc_column_text][\/vc_column][\/vc_row][vc_row content_placement=&#8221;middle&#8221;][vc_column width=&#8221;1\/3&#8243; el_class=&#8221;.md-col-half&#8221;]<div id=\"ultimate-heading-79669e732bba76aa\" class=\"uvc-heading ult-adjust-bottom-margin ultimate-heading-79669e732bba76aa uvc-7028 \" data-hspacer=\"no_spacer\"  data-halign=\"left\" style=\"text-align:left\"><div class=\"uvc-heading-spacer no_spacer\" style=\"top\"><\/div><div class=\"uvc-main-heading ult-responsive\"  data-ultimate-target='.uvc-heading.ultimate-heading-79669e732bba76aa h3'  data-responsive-json-new='{\"font-size\":\"desktop:20px;\",\"line-height\":\"desktop:30px;\"}' ><h3 style=\"font-family:&#039;Jura&#039;;font-weight:700;margin-bottom:20px;\">How does the Off Grid system work?<\/h3><\/div><\/div><div class=\"uavc-list-icon uavc-list-icon-wrapper ult-adjust-bottom-margin   vc_custom_1680072162074  vc_custom_1680072162074\"><ul class=\"uavc-list\"><li><div class=\"uavc-list-content\" id=\"list-icon-wrap-9366\">\n<div class=\"uavc-list-icon  \" data-animation=\"\" data-animation-delay=\"03\" style=\"margin-right:20px;\"><div class=\"ult-just-icon-wrapper  \"><div class=\"align-icon\" style=\"text-align:center;\">\n<div class=\"aio-icon-img \" style=\"font-size:26px;display:inline-block;\" >\n\t<img decoding=\"async\" class=\"img-icon\" alt=\"null\" src=\"https:\/\/elsol.bg\/wp-content\/uploads\/2023\/03\/number-1-icon.png\"\/>\n<\/div><\/div><\/div>\n<\/div><span  data-ultimate-target='#list-icon-wrap-9366 .uavc-list-desc'  data-responsive-json-new='{\"font-size\":\"\",\"line-height\":\"\"}'  class=\"uavc-list-desc ult-responsive\" style=\"\">Solar panels capture energy from the sun and convert it into electricity.<\/span><\/div><\/li><li><div class=\"uavc-list-content\" id=\"list-icon-wrap-4910\">\n<div class=\"uavc-list-icon  \" data-animation=\"\" data-animation-delay=\"03\" style=\"margin-right:20px;\"><div class=\"ult-just-icon-wrapper  \"><div class=\"align-icon\" style=\"text-align:center;\">\n<div class=\"aio-icon-img \" style=\"font-size:26px;display:inline-block;\" >\n\t<img decoding=\"async\" class=\"img-icon\" alt=\"null\" src=\"https:\/\/elsol.bg\/wp-content\/uploads\/2023\/03\/number-2-icon.png\"\/>\n<\/div><\/div><\/div>\n<\/div><span  data-ultimate-target='#list-icon-wrap-4910 .uavc-list-desc'  data-responsive-json-new='{\"font-size\":\"\",\"line-height\":\"\"}'  class=\"uavc-list-desc ult-responsive\" style=\"\">The inverter converts direct current (DC) into an alternating current supply (AC).<\/span><\/div><\/li><li><div class=\"uavc-list-content\" id=\"list-icon-wrap-8699\">\n<div class=\"uavc-list-icon  \" data-animation=\"\" data-animation-delay=\"03\" style=\"margin-right:20px;\"><div class=\"ult-just-icon-wrapper  \"><div class=\"align-icon\" style=\"text-align:center;\">\n<div class=\"aio-icon-img \" style=\"font-size:26px;display:inline-block;\" >\n\t<img decoding=\"async\" class=\"img-icon\" alt=\"null\" src=\"https:\/\/elsol.bg\/wp-content\/uploads\/2023\/03\/number-3-icon.png\"\/>\n<\/div><\/div><\/div>\n<\/div><span  data-ultimate-target='#list-icon-wrap-8699 .uavc-list-desc'  data-responsive-json-new='{\"font-size\":\"\",\"line-height\":\"\"}'  class=\"uavc-list-desc ult-responsive\" style=\"\">The battery is a kind of PV system balance device. When there is more electricity produced, the controller will transfer the excess to the battery. Conversely, when there is not enough energy produced by the PV system, the controller transfers electricity from the battery to the consumer.<br \/>\nAutonomous systems are used for sites located in remote places without connection to the electricity grid: villas, houses, pumping systems, caravans and others. The cost of Off Grid PV systems is the highest because of the need for a battery.<\/span><\/div><\/li><\/ul><\/div>[\/vc_column][vc_column width=&#8221;2\/3&#8243; el_class=&#8221;.md-col-half&#8221;][vc_single_image image=&#8221;1073&#8243; img_size=&#8221;full&#8221; alignment=&#8221;center&#8221;][\/vc_column][\/vc_row][vc_row css=&#8221;.vc_custom_1680074261839{margin-bottom: 30px !important;}&#8221;][vc_column][vc_column_text]\u0410\u0432\u0442\u043e\u043d\u043e\u043c\u043d\u0438\u0442\u0435 \u0441\u0438\u0441\u0442\u0435\u043c\u0438 \u043d\u0430\u043c\u0438\u0440\u0430\u0442 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0435 \u0437\u0430 \u043e\u0431\u0435\u043a\u0442\u0438, \u043a\u043e\u0438\u0442\u043e \u0441\u0435 \u043d\u0430\u043c\u0438\u0440\u0430\u0442 \u043d\u0430 \u043e\u0442\u0434\u0430\u043b\u0435\u0447\u0435\u043d\u0438 \u043c\u0435\u0441\u0442\u0430, \u0431\u0435\u0437 \u0432\u0440\u044a\u0437\u043a\u0430 \u0441 \u0435\u043b\u0435\u043a\u0442\u0440\u043e\u043f\u0440\u0435\u043d\u043e\u0441\u043d\u0430 \u043c\u0440\u0435\u0436\u0430: \u0432\u0438\u043b\u0438, \u043a\u044a\u0449\u0438, \u043f\u043e\u043c\u043f\u0435\u043d\u0438 \u0441\u0438\u0441\u0442\u0435\u043c\u0438, \u043a\u0430\u0440\u0430\u0432\u0430\u043d\u0438 \u0438 \u0434\u0440\u0443\u0433\u0438. \u0426\u0435\u043d\u0430\u0442\u0430 \u043d\u0430 Off Grid PV \u0441\u0438\u0441\u0442\u0435\u043c\u0438\u0442\u0435 \u0435 \u043d\u0430\u0439-\u0432\u0438\u0441\u043e\u043a\u0430, \u0437\u0430\u0440\u0430\u0434\u0438 \u043d\u0443\u0436\u0434\u0430\u0442\u0430 \u043e\u0442 \u0431\u0430\u0442\u0435\u0440\u0438\u044f.[\/vc_column_text]<div id=\"ultimate-heading-744269e732bba7c0d\" class=\"uvc-heading ult-adjust-bottom-margin ultimate-heading-744269e732bba7c0d uvc-1818 \" data-hspacer=\"no_spacer\"  data-halign=\"left\" style=\"text-align:left\"><div class=\"uvc-heading-spacer no_spacer\" style=\"top\"><\/div><div class=\"uvc-main-heading ult-responsive\"  data-ultimate-target='.uvc-heading.ultimate-heading-744269e732bba7c0d h3'  data-responsive-json-new='{\"font-size\":\"desktop:24px;\",\"line-height\":\"desktop:32px;\"}' ><h3 style=\"font-family:&#039;Jura&#039;;font-weight:700;color:#51ae32;margin-bottom:20px;\">Grid PV System or ON-GRID system<\/h3><\/div><\/div>[\/vc_column][\/vc_row][vc_row css=&#8221;.vc_custom_1680074444601{margin-bottom: 30px !important;}&#8221;][vc_column width=&#8221;1\/3&#8243; el_class=&#8221;.md-col-half&#8221;][vc_column_text]An example of grid solar systems are all <a href=\"\/en\/photovoltaic-plants\u0435\/\">photovoltaic parks<\/a> that are built to sell the electricity produced to electricity distribution companies. Therefore, there is no need for a battery.<\/p>\n<p>The three main components in this type of solar system are: solar panels, inverter and electricity meter.<\/p>\n<p>The principle of operation is similar. During daylight hours, solar panels produce electricity, it is converted from the inverter and directly supplied to the power grid.[\/vc_column_text][\/vc_column][vc_column width=&#8221;2\/3&#8243; el_class=&#8221;.md-col-half&#8221;][vc_single_image image=&#8221;1075&#8243; img_size=&#8221;full&#8221; alignment=&#8221;center&#8221;][\/vc_column][\/vc_row][vc_row gap=&#8221;20&#8243; content_placement=&#8221;top&#8221;][vc_column]<div id=\"ultimate-heading-415069e732bba7c32\" class=\"uvc-heading ult-adjust-bottom-margin ultimate-heading-415069e732bba7c32 uvc-458 \" data-hspacer=\"no_spacer\"  data-halign=\"left\" style=\"text-align:left\"><div class=\"uvc-heading-spacer no_spacer\" style=\"top\"><\/div><div class=\"uvc-main-heading ult-responsive\"  data-ultimate-target='.uvc-heading.ultimate-heading-415069e732bba7c32 h3'  data-responsive-json-new='{\"font-size\":\"desktop:24px;\",\"line-height\":\"desktop:32px;\"}' ><h3 style=\"font-family:&#039;Jura&#039;;font-weight:700;color:#51ae32;margin-bottom:40px;\">Combined PV systems<\/h3><\/div><\/div>[vc_column_text]This type of solar systems are built for household or business users with high electricity consumption \u2013 <a href=\"\/en\/rooftop-pv-systems\/\">rooftop solar systems for business<\/a> or <a href=\"\/\u0441\u043e\u043b\u0430\u0440\u043d\u0438-\u0441\u0438\u0441\u0442\u0435\u043c\u0438-\u0437\u0430-\u0434\u043e\u043c\u0430\/\">solar systems for the home<\/a>. They produce electricity and use it for their own needs, and when there is a shortage, they consume electricity from the electricity grid. It is advisable to install a battery to store the produced energy when there is no consumption.[\/vc_column_text][\/vc_column][\/vc_row][vc_row content_placement=&#8221;middle&#8221;][vc_column width=&#8221;1\/3&#8243; el_class=&#8221;.md-col-half&#8221;]<div id=\"ultimate-heading-882669e732bba7c4f\" class=\"uvc-heading ult-adjust-bottom-margin ultimate-heading-882669e732bba7c4f uvc-4711 \" data-hspacer=\"no_spacer\"  data-halign=\"left\" style=\"text-align:left\"><div class=\"uvc-heading-spacer no_spacer\" style=\"top\"><\/div><div class=\"uvc-main-heading ult-responsive\"  data-ultimate-target='.uvc-heading.ultimate-heading-882669e732bba7c4f h3'  data-responsive-json-new='{\"font-size\":\"desktop:20px;\",\"line-height\":\"desktop:30px;\"}' ><h3 style=\"font-family:&#039;Jura&#039;;font-weight:700;margin-bottom:20px;\">How does the combined PV system work?<\/h3><\/div><\/div><div class=\"uavc-list-icon uavc-list-icon-wrapper ult-adjust-bottom-margin   vc_custom_1680072162074  vc_custom_1680072162074\"><ul class=\"uavc-list\"><li><div class=\"uavc-list-content\" id=\"list-icon-wrap-8767\">\n<div class=\"uavc-list-icon  \" data-animation=\"\" data-animation-delay=\"03\" style=\"margin-right:20px;\"><div class=\"ult-just-icon-wrapper  \"><div class=\"align-icon\" style=\"text-align:center;\">\n<div class=\"aio-icon-img \" style=\"font-size:26px;display:inline-block;\" >\n\t<img decoding=\"async\" class=\"img-icon\" alt=\"null\" src=\"https:\/\/elsol.bg\/wp-content\/uploads\/2023\/03\/number-1-icon.png\"\/>\n<\/div><\/div><\/div>\n<\/div><span  data-ultimate-target='#list-icon-wrap-8767 .uavc-list-desc'  data-responsive-json-new='{\"font-size\":\"\",\"line-height\":\"\"}'  class=\"uavc-list-desc ult-responsive\" style=\"\">Solar panels capture energy from the sun and convert it into electricity.<\/span><\/div><\/li><li><div class=\"uavc-list-content\" id=\"list-icon-wrap-1679\">\n<div class=\"uavc-list-icon  \" data-animation=\"\" data-animation-delay=\"03\" style=\"margin-right:20px;\"><div class=\"ult-just-icon-wrapper  \"><div class=\"align-icon\" style=\"text-align:center;\">\n<div class=\"aio-icon-img \" style=\"font-size:26px;display:inline-block;\" >\n\t<img decoding=\"async\" class=\"img-icon\" alt=\"null\" src=\"https:\/\/elsol.bg\/wp-content\/uploads\/2023\/03\/number-2-icon.png\"\/>\n<\/div><\/div><\/div>\n<\/div><span  data-ultimate-target='#list-icon-wrap-1679 .uavc-list-desc'  data-responsive-json-new='{\"font-size\":\"\",\"line-height\":\"\"}'  class=\"uavc-list-desc ult-responsive\" style=\"\">The inverter converts direct current (DC) into an alternating current supply (AC).<\/span><\/div><\/li><li><div class=\"uavc-list-content\" id=\"list-icon-wrap-2665\">\n<div class=\"uavc-list-icon  \" data-animation=\"\" data-animation-delay=\"03\" style=\"margin-right:20px;\"><div class=\"ult-just-icon-wrapper  \"><div class=\"align-icon\" style=\"text-align:center;\">\n<div class=\"aio-icon-img \" style=\"font-size:26px;display:inline-block;\" >\n\t<img decoding=\"async\" class=\"img-icon\" alt=\"null\" src=\"https:\/\/elsol.bg\/wp-content\/uploads\/2023\/03\/number-3-icon.png\"\/>\n<\/div><\/div><\/div>\n<\/div><span  data-ultimate-target='#list-icon-wrap-2665 .uavc-list-desc'  data-responsive-json-new='{\"font-size\":\"\",\"line-height\":\"\"}'  class=\"uavc-list-desc ult-responsive\" style=\"\">If the electricity produced by the solar installation cannot fully supply the needs of the consumer, the shortage is covered by the electricity grid.<\/span><\/div><\/li><li><div class=\"uavc-list-content\" id=\"list-icon-wrap-7081\">\n<div class=\"uavc-list-icon  \" data-animation=\"\" data-animation-delay=\"03\" style=\"margin-right:20px;\"><div class=\"ult-just-icon-wrapper  \"><div class=\"align-icon\" style=\"text-align:center;\">\n<div class=\"aio-icon-img \" style=\"font-size:26px;display:inline-block;\" >\n\t<img decoding=\"async\" class=\"img-icon\" alt=\"null\" src=\"https:\/\/elsol.bg\/wp-content\/uploads\/2023\/03\/number-4-icon.png\"\/>\n<\/div><\/div><\/div>\n<\/div><span  data-ultimate-target='#list-icon-wrap-7081 .uavc-list-desc'  data-responsive-json-new='{\"font-size\":\"\",\"line-height\":\"\"}'  class=\"uavc-list-desc ult-responsive\" style=\"\">If the PV system has produced more electricity than the consumption, the excess is transferred to the battery. When the solar system cannot power the needs of the consumer, the installed controller transfers electricity from the battery.<\/span><\/div><\/li><\/ul><\/div>[\/vc_column][vc_column width=&#8221;2\/3&#8243; el_class=&#8221;.md-col-half&#8221;][vc_single_image image=&#8221;1077&#8243; img_size=&#8221;full&#8221; alignment=&#8221;center&#8221;][\/vc_column][\/vc_row][vc_row][vc_column]<div id=\"ultimate-heading-303469e732bba7ed3\" class=\"uvc-heading ult-adjust-bottom-margin ultimate-heading-303469e732bba7ed3 uvc-5338 \" data-hspacer=\"no_spacer\"  data-halign=\"left\" style=\"text-align:left\"><div class=\"uvc-heading-spacer no_spacer\" style=\"top\"><\/div><div class=\"uvc-main-heading ult-responsive\"  data-ultimate-target='.uvc-heading.ultimate-heading-303469e732bba7ed3 h3'  data-responsive-json-new='{\"font-size\":\"desktop:24px;\",\"line-height\":\"desktop:32px;\"}' ><h3 style=\"font-family:&#039;Jura&#039;;font-weight:700;color:#51ae32;margin-bottom:20px;\">Combined photovoltaic systems with electricity sales<\/h3><\/div><\/div>[vc_column_text]These systems have all the advantages of the other types of photovoltaic installations. Includes all the above components: solar panels, controller, inverter, electricity meter.<\/p>\n<p>The basic principle of operation is no different. The electricity produced is used for its own needs. When it is not enough, the system takes electricity from the electricity grid, and if it is too much, it goes for sale to the supplier, with whom it is necessary to conclude a sales contract in advance.<\/p>\n<p><strong>* Here it is important to note that as much electricity can be sold as the connected power of the system.<\/strong>[\/vc_column_text][\/vc_column][\/vc_row][vc_row gap=&#8221;20&#8243; equal_height=&#8221;yes&#8221; content_placement=&#8221;middle&#8221; css=&#8221;.vc_custom_1668166341590{margin-top: 50px !important;margin-right: 0px !important;margin-left: 0px !important;border-top-width: 1px !important;border-right-width: 1px !important;border-bottom-width: 1px !important;border-left-width: 1px !important;padding-top: 15px !important;padding-right: 10px !important;padding-bottom: 15px !important;padding-left: 10px !important;border-left-color: #d6d6d6 !important;border-left-style: solid !important;border-right-color: #d6d6d6 !important;border-right-style: solid !important;border-top-color: #d6d6d6 !important;border-top-style: solid !important;border-bottom-color: #d6d6d6 !important;border-bottom-style: solid !important;border-radius: 1px !important;}&#8221;][vc_column width=&#8221;3\/4&#8243; css=&#8221;.vc_custom_1668002403467{padding-top: 0px !important;}&#8221;][vc_column_text css=&#8221;.vc_custom_1684427554241{margin-bottom: 0px !important;}&#8221;]<\/p>\n<h3 class=\"md-heading\">You have a project for us?<\/h3>\n<p>Contact us for more information about your specific project. If you have any questions, do not hesitate to contact us. We will give you an optimal solution according to the specifics of your project.[\/vc_column_text][\/vc_column][vc_column width=&#8221;1\/4&#8243; css=&#8221;.vc_custom_1668002399433{padding-top: 0px !important;}&#8221;]<style type=\"text\/css\" data-type=\"the7_shortcodes-inline-css\">#default-btn-408fde3740059979bdb99b928701d26d.ico-right-side > i {\n  margin-right: 0px;\n  margin-left: 8px;\n}\n#default-btn-408fde3740059979bdb99b928701d26d > i {\n  margin-right: 8px;\n}\n<\/style><div class=\"btn-align-center\"><a href=\"title:%D0%A3%D1%81%D0%BB%D1%83%D0%B3%D0%B8\" class=\"default-btn-shortcode dt-btn dt-btn-m link-hover-off md-reservation-btn \" id=\"default-btn-408fde3740059979bdb99b928701d26d\" style=\"width:250px;\"><i class=\"icomoon-the7-font-the7-mail-01\"><\/i><span>Send inquiry<\/span><\/a><\/div>[\/vc_column][\/vc_row][vc_row][vc_column]<div id=\"modal-trg-txt-wrap-5743\" class=\"ult-modal-input-wrapper ult-adjust-bottom-margin    \" data-keypress-control=\"keypress-control-enable\" data-overlay-control=\"overlay-control-enable\"><span data-class-id=\"content-69e732bba7f6a2-56297532\"><\/span>\n\t\t\t\t<script type=\"text\/javascript\">\n\t\t\t\t(function($){\n\t\t\t\t\t$(document).ready(function(){\n\t\t\t\t\t\tvar selector = \".md-reservation-btn\";\n\t\t\t\t\t\t$(selector).addClass(\"custom-ult-modal overlay-show\");\n\t\t\t\t\t\t$(selector).attr(\"data-class-id\", \"content-69e732bba7f6a2-56297532\");\n\t\t\t\t\t\t$(selector).attr(\"data-overlay-class\", \"overlay-cornerbottomleft\");\n\t\t\t\t\t\t$(selector).attr(\"data-keypress-control\", \"keypress-control-enable\");\n\t\t\t\t\t\t$(selector).attr(\"data-overlay-control\", \"overlay-control-enable\");\n\t\t\t\t\t});\n\t\t\t\t})(jQuery);\n\t\t\t\t<\/script><\/div>\n<div class=\"ult-overlay content-69e732bba7f6a2-56297532 \" data-class=\"content-69e732bba7f6a2-56297532\" id=\"button-click-overlay\" style=\"background:rgba(51,51,51,0.85); 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\"><div class=\"ult-overlay-close-inside\">Close<\/div><\/div>\n<\/div>[\/vc_column][\/vc_row]<\/p>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>A photovoltaic system, also known as a solar system, is an energy system that converts sunlight into electricity. This is the so-called photovoltaic effect or PV effect. It consists of various components: solar panels, inverter, controller, rechargeable battery, electricity meter, wiring and other electrical accessories. Depending on whether it is autonomous, mains or combined, the solar system turns some of the components on or off, but the basic operating principles are the same.<\/p>\n","protected":false},"author":1,"featured_media":1077,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33],"tags":[],"class_list":["post-1322","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-33","description-off"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How does the photovoltaic system work? | Blog | Elsol Ltd.<\/title>\n<meta name=\"description\" content=\"Depending on whether it is autonomous, mains or combined, the solar system turns some of the components on or off, but the basic operating principles are the same.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/elsol.bg\/en\/components-photovoltaic-system\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How does the photovoltaic system work? 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