{"id":24240,"date":"2026-07-01T13:49:43","date_gmt":"2026-07-01T11:49:43","guid":{"rendered":"https:\/\/faber-etec.de\/?p=24240"},"modified":"2026-07-01T15:50:45","modified_gmt":"2026-07-01T13:50:45","slug":"what-is-a-transformer-substation","status":"publish","type":"post","link":"https:\/\/faber-etec.de\/en\/news\/was-ist-eine-trafostation\/","title":{"rendered":"What is a transformer substation?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"24240\" class=\"elementor elementor-24240\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-608c1f5 e-flex e-con-boxed e-con e-parent\" data-id=\"608c1f5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cbbd50b elementor-widget elementor-widget-heading\" data-id=\"cbbd50b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Structure, function and importance in the power grid<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f314880 elementor-widget elementor-widget-text-editor\" data-id=\"f314880\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>You see them almost daily on roadsides, in residential areas or next to large solar parks: small, unassuming buildings, often made of concrete. Yet without them, the lights would literally go out for us. Transformer substations \/\u00a0<a  href=\"https:\/\/faber-etec.de\/en\/compact-station\/\" title=\"Compact station - Compact stations\" target=\"_blank\" rel=\"noopener\">Compact stations<\/a> \u00a0(short for transformer stations) are the crucial link in our electricity grid.<\/p><p>In this article, we explain simply and clearly what a transformer station is, which components it consists of and why the expansion of renewable energies and <a title=\"Substation for battery storage systems\" href=\"https:\/\/faber-etec.de\/en\/compact-transformer-substation\/\" target=\"_blank\" rel=\"noopener\">Battery storage systems<\/a> (BESS) has radically changed the requirements for these stations.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c44f473 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"c44f473\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9d52301 elementor-widget elementor-widget-heading\" data-id=\"9d52301\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">What does a transformer station do?<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-702a2c6 elementor-widget elementor-widget-heading\" data-id=\"702a2c6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">The simple definition: What is a transformer station?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5cd199f elementor-widget elementor-widget-text-editor\" data-id=\"5cd199f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A transformer station converts electrical energy from the regional <strong>Medium-voltage grid<\/strong> into the low voltage usable for the end consumer \u2013 or vice versa.<\/p><p>You can think of the electricity grid like a road network:<br \/>The large high-voltage power lines are the motorways on which huge amounts of electricity are transported over long distances. The medium-voltage network (mostly 10 kV to 30 kV) corresponds to the main roads. However, our household appliances or normal industrial machines require a much lower voltage (230 V or 400 V) \u2013 the local streets.<\/p><p>The transformer substation acts as a <b>interface <\/b>and pressure reducer. It takes the \u201ehigh-pressure\u201c current from the medium-voltage grid and \u201etransforms\u201c it down to the required low voltage so that it can be safely used in homes or businesses.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-df54160 elementor-widget elementor-widget-image\" data-id=\"df54160\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"768\" height=\"528\" src=\"https:\/\/faber-etec.de\/wp-content\/uploads\/sites\/3\/2026\/05\/Trafostation-fuer-Schnellladestation-Netzanbindung-fuer-E-Mobilitaet-Ladesaeulen-Ladeinfrastruktur-Faber-E-Tec-768x528.avif\" class=\"attachment-medium_large size-medium_large wp-image-23631\" alt=\"What is a transformer substation? Compact transformer substation by Faber E-Tec for the safe grid connection of rapid charging stations and e-mobility charging infrastructure.\" srcset=\"https:\/\/faber-etec.de\/wp-content\/uploads\/sites\/3\/2026\/05\/Trafostation-fuer-Schnellladestation-Netzanbindung-fuer-E-Mobilitaet-Ladesaeulen-Ladeinfrastruktur-Faber-E-Tec-768x528.avif 768w, https:\/\/faber-etec.de\/wp-content\/uploads\/sites\/3\/2026\/05\/Trafostation-fuer-Schnellladestation-Netzanbindung-fuer-E-Mobilitaet-Ladesaeulen-Ladeinfrastruktur-Faber-E-Tec-300x206.avif 300w, https:\/\/faber-etec.de\/wp-content\/uploads\/sites\/3\/2026\/05\/Trafostation-fuer-Schnellladestation-Netzanbindung-fuer-E-Mobilitaet-Ladesaeulen-Ladeinfrastruktur-Faber-E-Tec-18x12.avif 18w, https:\/\/faber-etec.de\/wp-content\/uploads\/sites\/3\/2026\/05\/Trafostation-fuer-Schnellladestation-Netzanbindung-fuer-E-Mobilitaet-Ladesaeulen-Ladeinfrastruktur-Faber-E-Tec.avif 1000w\" sizes=\"(max-width: 768px) 100vw, 768px\" title=\"What is a transformer substation? Example: Transformer substation for rapid charging parks and e-mobility\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">No e-mobility without a medium-voltage connection: compact transformer substations convert the electricity without losses for charging stations with high simultaneity.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-06b1c02 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"06b1c02\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-49ecac1 elementor-widget elementor-widget-heading\" data-id=\"49ecac1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">The design: What components does a transformer substation consist of?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4b15f4a elementor-widget elementor-widget-text-editor\" data-id=\"4b15f4a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-path-to-node=\"13\">Despite different designs, at their core every transformer substation consists of the same main electrotechnical components:<\/p><ol start=\"1\" data-path-to-node=\"14\"><li><p data-path-to-node=\"14,0,0\"><b data-path-to-node=\"14,0,0\" data-index-in-node=\"0\">Medium-voltage switchgear<\/b><span data-path-to-node=\"14,0,0\" data-index-in-node=\"0\"> Ms<\/span><b data-path-to-node=\"14,0,0\" data-index-in-node=\"0\">:<\/b> This is the entrance area of the substation. Here, the installation is connected to the network operator's regional power grid. The switchgear also serves to safely isolate the substation from the grid during maintenance work or faults.<\/p><\/li><li><p data-path-to-node=\"14,1,0\"><b data-path-to-node=\"14,1,0\" data-index-in-node=\"0\">Transformer<\/b><span data-path-to-node=\"14,1,0\" data-index-in-node=\"0\"> (The \u201etrafo\u201c)<\/span><b data-path-to-node=\"14,1,0\" data-index-in-node=\"0\">:<\/b> The heart of the system. The transformer is an electromagnetic converter that carries out the actual voltage change (e.g. from 20,000 volts to 400 volts).<\/p><\/li><li><p data-path-to-node=\"14,2,0\"><b data-path-to-node=\"14,2,0\" data-index-in-node=\"0\">Low-voltage main distribution board <\/b><span data-path-to-node=\"14,2,0\" data-index-in-node=\"0\">(NSHV)<\/span><b data-path-to-node=\"14,2,0\" data-index-in-node=\"0\">:<\/b> Here, the stepped-down electricity is distributed to the various outgoing cables that lead to the final consumers (houses, charging points, factory buildings). The fuses for the local circuits are also located here.<\/p><\/li><li><p data-path-to-node=\"14,3,0\"><b data-path-to-node=\"14,3,0\" data-index-in-node=\"0\">Station enclosure:<\/b> To protect the sensitive technology from the weather and unauthorised access, it is usually installed in robust housings made of reinforced concrete or special container designs.<\/p><\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6bb8b7f elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"6bb8b7f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d155f80 elementor-widget elementor-widget-heading\" data-id=\"d155f80\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">What types of transformer substations are there?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0a93d33 elementor-widget elementor-widget-text-editor\" data-id=\"0a93d33\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Depending on the application, a distinction is made between various designs:<\/p><ul><li><p data-path-to-node=\"17,0,0\"><b data-path-to-node=\"17,0,0\" data-index-in-node=\"0\">Secondary substations:<\/b> The classic, often walk-in concrete utility substations of the municipal utilities for supplying residential areas.<\/p><\/li><li><p data-path-to-node=\"17,1,0\"><b data-path-to-node=\"17,1,0\" data-index-in-node=\"0\">Industrial compact substations:<\/b> Space-saving, non-walk-in substations located directly on the industrial sites of energy-intensive companies.<\/p><\/li><li><p data-path-to-node=\"17,2,0\"><b data-path-to-node=\"17,2,0\" data-index-in-node=\"0\">Transfer stations (feed-in stations):<\/b> These substations often work \u201ein reverse\u201c. They take the locally produced electricity (e.g. from a solar farm), transform it to <b>Medium voltage <\/b><i data-path-to-node=\"17,2,0\" data-index-in-node=\"193\">high<\/i> and feed it into the grid.<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fc3ccec elementor-widget elementor-widget-image\" data-id=\"fc3ccec\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a  href=\"https:\/\/faber-etec.de\/wp-content\/uploads\/sites\/3\/2024\/07\/SL358D1.jpg\" title=\"SL358D1.jpg - \" data-elementor-open-lightbox=\"yes\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6OTUxOCwidXJsIjoiaHR0cHM6XC9cL2ZhYmVyLWV0ZWMuZGVcL3dwLWNvbnRlbnRcL3VwbG9hZHNcL3NpdGVzXC8zXC8yMDI0XC8wN1wvU0wzNThEMS5qcGcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"768\" height=\"507\" src=\"https:\/\/faber-etec.de\/wp-content\/uploads\/sites\/3\/2024\/07\/SL358D1-768x507.jpg\" class=\"attachment-medium_large size-medium_large wp-image-9518\" alt=\"What is a transformer substation - Transformer substation with transformer and low-voltage switchgear for voltage adjustment and safe power supply.\" srcset=\"https:\/\/faber-etec.de\/wp-content\/uploads\/sites\/3\/2024\/07\/SL358D1-768x507.jpg 768w, https:\/\/faber-etec.de\/wp-content\/uploads\/sites\/3\/2024\/07\/SL358D1-300x198.jpg 300w, https:\/\/faber-etec.de\/wp-content\/uploads\/sites\/3\/2024\/07\/SL358D1-1024x677.jpg 1024w, https:\/\/faber-etec.de\/wp-content\/uploads\/sites\/3\/2024\/07\/SL358D1-1536x1015.jpg 1536w, https:\/\/faber-etec.de\/wp-content\/uploads\/sites\/3\/2024\/07\/SL358D1-2048x1353.jpg 2048w, https:\/\/faber-etec.de\/wp-content\/uploads\/sites\/3\/2024\/07\/SL358D1-18x12.jpg 18w\" sizes=\"(max-width: 768px) 100vw, 768px\" title=\"Transformer Wiki: Functionality of a compact statio\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Ready to connect and heat-resistant: Modern compact substations use special ventilation concepts to ensure the transformer does not overheat even at full load in peak summer (derating).<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bbb592f elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"bbb592f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a57914b elementor-widget elementor-widget-heading\" data-id=\"a57914b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">What is a transformer substation?<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-19d1d4d elementor-widget elementor-widget-heading\" data-id=\"19d1d4d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">The energy transition: why standard stations are often no longer sufficient today<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-830760a elementor-widget elementor-widget-text-editor\" data-id=\"830760a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>With the massive expansion of ground-mounted photovoltaic systems (solar farms), HPC hyper-charging hubs and large battery energy storage systems (BESS), the role of the transformer substation has changed. It is no longer just a simple power distributor, but the intelligent bottleneck of the energy transition.<\/p><p>For project developers and EPCs (main contractors), these new applications bring massive technical challenges:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-381340e elementor-widget elementor-widget-heading\" data-id=\"381340e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">1. The heat issue (derating)<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-12d249e elementor-widget elementor-widget-text-editor\" data-id=\"12d249e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A battery storage system or solar park often runs at maximum full load for hours in midsummer. Standard transformer substations are designed for this <strong>continuous strain<\/strong> not designed for. The transformers are getting very hot. To <strong>Overheating<\/strong> To avoid this, conventional stations cut back their output when outside temperatures are high (a process known as \u2018derating\u2019). As a result, solar farms or storage facilities are often only able to feed 60 % to 70 % of their capacity into the grid during the summer. Valuable energy yields are lost.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3bb9179 elementor-widget elementor-widget-heading\" data-id=\"3bb9179\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">2. Complex grid connection conditions<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5cdb305 elementor-widget elementor-widget-text-editor\" data-id=\"5cdb305\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The connection of large-scale plants to the medium-voltage grid is regulated by strict standards (such as VDE-AR-N 4110\/4120 in Germany). Today, a modern substation requires highly complex grid and system protection concepts to guarantee the stability of the power grid.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-03bb969 elementor-widget elementor-widget-image\" data-id=\"03bb969\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"768\" height=\"516\" src=\"https:\/\/faber-etec.de\/wp-content\/uploads\/sites\/3\/2026\/01\/Trafo-Kompaktstation-im-Einsatz-Faber-E-Tec-Techniker-bei-der-Wartung-768x516.avif\" class=\"attachment-medium_large size-medium_large wp-image-18754\" alt=\"Technician carrying out maintenance on a Faber E-Tec compact substation\" srcset=\"https:\/\/faber-etec.de\/wp-content\/uploads\/sites\/3\/2026\/01\/Trafo-Kompaktstation-im-Einsatz-Faber-E-Tec-Techniker-bei-der-Wartung-768x516.avif 768w, https:\/\/faber-etec.de\/wp-content\/uploads\/sites\/3\/2026\/01\/Trafo-Kompaktstation-im-Einsatz-Faber-E-Tec-Techniker-bei-der-Wartung-300x202.avif 300w, https:\/\/faber-etec.de\/wp-content\/uploads\/sites\/3\/2026\/01\/Trafo-Kompaktstation-im-Einsatz-Faber-E-Tec-Techniker-bei-der-Wartung-18x12.avif 18w, https:\/\/faber-etec.de\/wp-content\/uploads\/sites\/3\/2026\/01\/Trafo-Kompaktstation-im-Einsatz-Faber-E-Tec-Techniker-bei-der-Wartung.avif 1024w\" sizes=\"(max-width: 768px) 100vw, 768px\" title=\"Open compact transformer substation with medium-voltage switchgear for outdoor use\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Technicians are inspecting the medium-voltage switchgear and network protection. Modern substations are designed in such a way that all critical components can be maintained safely and efficiently.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bc507fa elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"bc507fa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ab37c49 elementor-widget elementor-widget-heading\" data-id=\"ab37c49\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">The solution for BESS and solar parks: active cooling and \"EPC-ready\"<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7cc63f2 elementor-widget elementor-widget-text-editor\" data-id=\"7cc63f2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>To prevent yield losses due to heat, modern infrastructure planners rely on specialised <strong>Compact stations<\/strong>.<\/p><p>Here at Faber E-Tec, we have solved this problem with an innovative, active ventilation concept. Unlike conventional standard concrete enclosures, our stations for solar parks and BESS 100 % guarantee performance up to an ambient temperature of 40 \u00b0C. Derating \u2013 and thus a financial loss in the height of summer \u2013 is effectively prevented.<\/p><p>In addition, project developers nowadays look for turnkey solutions to minimise interface risks. As a so-called \u201eEPC-ready\u201c partner, we supply transformer substations up to 3,150 kVA completely ready for connection: including medium-voltage switchgear, flexible LV outputs (400V\/690V\/800V) and a certified protection concept. And, given the current market environment, with a reliable delivery time starting from 28 weeks.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2d00620 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"2d00620\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d6d1be5 e-con-full e-flex e-con e-child\" data-id=\"d6d1be5\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6ec9dc3 elementor-widget elementor-widget-heading\" data-id=\"6ec9dc3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Conclusion<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e1d5b05 elementor-widget elementor-widget-heading\" data-id=\"e1d5b05\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">What is a transformer substation?<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-88f28a0 elementor-widget elementor-widget-text-editor\" data-id=\"88f28a0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The transformer substation is the foundation of our modern power supply. What used to be a simple enclosure for power distribution in residential areas is today a highly complex high-tech interface. Especially in the B2B sector, during the planning of battery energy storage systems and renewable energies, the choice of the right substation is a decisive factor in the economic viability and performance of the entire energy park.<\/p><p>Are you currently planning the grid connection for a <strong>BESS<\/strong>\u2013 or <strong>PV<\/strong>Major project?<br \/>Avoid loss of revenue in the summer and secure reliable supply chains. <a title=\"Compact substation - More details\" href=\"https:\/\/faber-etec.de\/en\/compact-station\/\" target=\"_blank\" rel=\"noopener\">Download our technical data sheet (2000 \u2013 3150 kVA) here<\/a>\u00a0or contact our engineers for a no-obligation consultation regarding your grid connection.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b262085 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"b262085\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5b542de elementor-widget elementor-widget-heading\" data-id=\"5b542de\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">This is how a transformer substation is made! \ud83c\udfed<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c2bf106 elementor-widget elementor-widget-heading\" data-id=\"c2bf106\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">A look inside production: The assembly of our compact substations<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c015053 elementor-widget elementor-widget-text-editor\" data-id=\"c015053\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>From concrete pouring to the turnkey handover of our SF6-free systems: take a look behind the scenes of our production. The following video shows the precise assembly of our transformer substations and provides a direct impression of our work on site. See for yourself!<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-479ab5e elementor-widget elementor-widget-video\" data-id=\"479ab5e\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/www.youtube.com\\\/watch?v=QF9GCSG0shY&quot;,&quot;lazy_load&quot;:&quot;yes&quot;,&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4e438e6 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"4e438e6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b041978 e-con-full e-flex e-con e-child\" data-id=\"b041978\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9437380 elementor-widget elementor-widget-heading\" data-id=\"9437380\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Substation - FAQs<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-06a8c87 elementor-widget elementor-widget-heading\" data-id=\"06a8c87\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">Frequently asked questions:<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c05df72 elementor-widget elementor-widget-n-accordion\" data-id=\"c05df72\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;all_collapsed&quot;,&quot;max_items_expended&quot;:&quot;one&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2010\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2010\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 1. What is the difference between a transformer station and a substation? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-chevron-up\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-chevron-down\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2010\" class=\"elementor-element elementor-element-9ca06d6 e-con-full e-flex e-con e-child\" data-id=\"9ca06d6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-34b5e4d elementor-widget elementor-widget-text-editor\" data-id=\"34b5e4d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The difference lies in the voltage level. A substation connects the supra-regional high-voltage grid (often 110 kV to 380 kV) with the regional distribution grid. A transformer station (also known as a secondary substation) is a step smaller: it converts the electricity from the regional medium-voltage grid (mostly 10 kV to 30 kV) into low voltage (230 V or 400 V), which can be used directly by our households, commercial businesses, or charging points.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2011\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2011\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 2. Why does a transformer substation hum? (Noise) <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-chevron-up\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-chevron-down\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2011\" class=\"elementor-element elementor-element-2a3324d e-con-full e-flex e-con e-child\" data-id=\"2a3324d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9f93366 elementor-widget elementor-widget-text-editor\" data-id=\"9f93366\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The typical, low hum is caused by the transformer inside the station. The alternating current flowing through it generates a magnetic field that causes the iron core of the transformer to expand and contract in tiny vibrations \u2013 a physical effect known as \u201emagnetostriction\u201c. In modern compact substations, such as those built today for industry or solar parks, this noise is heavily insulated by special dampers and massive concrete housings.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2012\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"3\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2012\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 3. Why do solar farms (PV) and battery energy storage systems (BESS) need their own transformer stations? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-chevron-up\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-chevron-down\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2012\" class=\"elementor-element elementor-element-518880c e-con-full e-flex e-con e-child\" data-id=\"518880c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bdd93c1 elementor-widget elementor-widget-text-editor\" data-id=\"bdd93c1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tTraditional distribution substations are primarily designed to supply electricity to end consumers. However, large solar farms or battery energy storage systems feed massive amounts of power into the grid. This requires highly specialised transfer substations. These not only need to be equipped with strict grid and plant protection concepts (e.g. in accordance with VDE-AR-N 4110), but often also require active cooling during continuous summer loads to prevent the transformer from overheating.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6c56a2d elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"6c56a2d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b82dc03 elementor-widget elementor-widget-heading\" data-id=\"b82dc03\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Transformer station - energy transition in Germany<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1ead174 elementor-widget elementor-widget-heading\" data-id=\"1ead174\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"> Explanatory video: Energy infrastructure for photovoltaics and BESS<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0b7496a elementor-widget elementor-widget-video\" data-id=\"0b7496a\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/www.youtube.com\\\/watch?v=OJtozUznSmQ&quot;,&quot;lazy_load&quot;:&quot;yes&quot;,&quot;show_image_overlay&quot;:&quot;yes&quot;,&quot;image_overlay&quot;:{&quot;url&quot;:&quot;https:\\\/\\\/faber-etec.de\\\/wp-content\\\/uploads\\\/sites\\\/3\\\/2026\\\/05\\\/E-Tec-WELT.png&quot;,&quot;id&quot;:23898,&quot;size&quot;:&quot;&quot;,&quot;alt&quot;:&quot;Ein Foto, das einen Arbeiter in einem industriellen Kontrollraum von hinten zeigt, der an einer Konsole mit W\\u00e4hlscheiben und Monitoren arbeitet. Der gro\\u00dfe Text \\u00fcber der Szene lautet \\&quot;ENERGIE IM WANDEL\\&quot;. Ein weiterer gro\\u00dfer Text unten rechts lautet \\&quot;WELT\\&quot;. Oben links befindet sich entweder das Logo von \\&quot;FABER SOLARTECHNIK\\&quot; (mit gelb-orangefarbener Sinuswelle und Solarsymbol) oder das Logo von \\&quot;FABER E-TEC\\&quot; (mit drei blauen, verbundenen B\\u00f6gen). Im kleingedruckten Text unten links steht: \\&quot;PRODUZIERT VON ACUMEN INTERNATIONAL MEDIA \\\/ VERSCHMELZUNG VON KREATIVIT\\u00c4T UND PR\\u00c4ZISION, UM FESSELNDE GESCHICHTEN ZU KREIEREN, DIE WELTWEIT BEIM PUBLIKUM ANKLANG FINDEN.\\&quot; Unten rechts ist ein kleiner goldener Award-Stern mit dem Wort \\&quot;INSPIRIEREND\\&quot; abgebildet.&quot;,&quot;source&quot;:&quot;library&quot;},&quot;lightbox&quot;:&quot;yes&quot;,&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-wrapper elementor-open-lightbox\">\n\t\t\t\t\t\t\t<div class=\"elementor-custom-embed-image-overlay\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox=\"{&quot;type&quot;:&quot;video&quot;,&quot;videoType&quot;:&quot;youtube&quot;,&quot;url&quot;:&quot;https:\\\/\\\/www.youtube.com\\\/embed\\\/OJtozUznSmQ?feature=oembed&amp;start&amp;end&amp;wmode=opaque&amp;loop=0&amp;controls=1&amp;mute=0&amp;rel=0&amp;cc_load_policy=0&quot;,&quot;autoplay&quot;:&quot;&quot;,&quot;modalOptions&quot;:{&quot;id&quot;:&quot;elementor-lightbox-0b7496a&quot;,&quot;entranceAnimation&quot;:&quot;&quot;,&quot;entranceAnimation_tablet&quot;:&quot;&quot;,&quot;entranceAnimation_mobile&quot;:&quot;&quot;,&quot;videoAspectRatio&quot;:&quot;169&quot;}}\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJ0eXBlIjoidmlkZW8iLCJ2aWRlb1R5cGUiOiJ5b3V0dWJlIiwidXJsIjoiaHR0cHM6XC9cL3d3dy55b3V0dWJlLmNvbVwvZW1iZWRcL09KdG96VXpuU21RP2ZlYXR1cmU9b2VtYmVkJnN0YXJ0JmVuZCZ3bW9kZT1vcGFxdWUmbG9vcD0wJmNvbnRyb2xzPTEmbXV0ZT0wJnJlbD0wJmNjX2xvYWRfcG9saWN5PTAiLCJhdXRvcGxheSI6IiIsIm1vZGFsT3B0aW9ucyI6eyJpZCI6ImVsZW1lbnRvci1saWdodGJveC0wYjc0OTZhIiwiZW50cmFuY2VBbmltYXRpb24iOiIiLCJlbnRyYW5jZUFuaW1hdGlvbl90YWJsZXQiOiIiLCJlbnRyYW5jZUFuaW1hdGlvbl9tb2JpbGUiOiIiLCJ2aWRlb0FzcGVjdFJhdGlvIjoiMTY5In19\">\n\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/faber-etec.de\/wp-content\/uploads\/sites\/3\/2026\/05\/E-Tec-WELT.png\" class=\"attachment-full size-full wp-image-23898\" alt=\"A photo showing a worker from behind in an industrial control room, working at a console with dials and monitors. The large text above the scene reads &quot;ENERGY IN TRANSITION&quot;. Another large text in the bottom right reads &quot;WORLD&quot;. In the top left is either the logo for &quot;FABER SOLARTECHNIK&quot; (with a yellow-orange sine wave and sun symbol) or the logo for &quot;FABER E-TEC&quot; (with three blue linked arcs). The small print at the bottom left reads: &quot;PRODUCED BY ACUMEN INTERNATIONAL MEDIA \/ MERGING CREATIVITY AND PRECISION TO CRAFT CAPTIVATING STORIES THAT RESONATE GLOBALLY.&quot; A small golden award star with the word &quot;INSPIRING&quot; is depicted in the bottom right.\" srcset=\"https:\/\/faber-etec.de\/wp-content\/uploads\/sites\/3\/2026\/05\/E-Tec-WELT.png 1280w, https:\/\/faber-etec.de\/wp-content\/uploads\/sites\/3\/2026\/05\/E-Tec-WELT-300x169.png 300w, https:\/\/faber-etec.de\/wp-content\/uploads\/sites\/3\/2026\/05\/E-Tec-WELT-1024x576.png 1024w, https:\/\/faber-etec.de\/wp-content\/uploads\/sites\/3\/2026\/05\/E-Tec-WELT-768x432.png 768w, https:\/\/faber-etec.de\/wp-content\/uploads\/sites\/3\/2026\/05\/E-Tec-WELT-18x10.png 18w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" title=\"Faber Energy Group in the WELT feature: Energy infrastructure for photovoltaics: How the Faber Energy Group is shaping the solar future\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-custom-embed-play\" role=\"button\" aria-label=\"Play video over A photograph showing a worker in an industrial control room from behind, working at a console with dials and monitors. The large text above the scene reads &quot;ENERGY IN TRANSITION&quot;. Another large text at the bottom right reads &quot;WORLD&quot;. In the top left is either the logo for &quot;FABER SOLARTECHNIK&quot; (with a yellow-orange sine wave and solar symbol) or the logo for &quot;FABER E-TEC&quot; (with three blue, connected arcs). The small print text at the bottom left reads: &quot;PRODUCED BY ACUMEN INTERNATIONAL MEDIA \/ MERGING CREATIVITY AND PRECISION TO CREATE CAPTIVATING STORIES THAT RESONATE WITH AUDIENCES WORLDWIDE.&quot; At the bottom right, a small gold award star with the word &quot;INSPIRING&quot; is depicted.\" tabindex=\"0\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"eicon-play\"><\/i>\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e0cfd89 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"e0cfd89\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-34cbd7d elementor-widget elementor-widget-heading\" data-id=\"34cbd7d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Further links<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f188348 elementor-widget elementor-widget-heading\" data-id=\"f188348\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Complex grid connection conditions<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1bcd8af elementor-widget elementor-widget-text-editor\" data-id=\"1bcd8af\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The connection of large-scale plants to the medium-voltage grid is governed by strict standards such as the <a href=\"https:\/\/www.vde.com\/de\/fnn\/themen\/tar\/tar-mittelspannung\" title=\"TAR Medium Voltage - VDE-AR-N 4110\" target=\"_blank\" rel=\"noopener noreferrer\">VDE-AR-N 4110<\/a> regulated in Germany.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bccad3c elementor-widget elementor-widget-heading\" data-id=\"bccad3c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Transformer<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1affda6 elementor-widget elementor-widget-text-editor\" data-id=\"1affda6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The transformer (often called a \u201etrafo\u201c for short) is an electromagnetic converter that carries out the actual voltage change. You can find out more about this in the general definition of the <a href=\"https:\/\/de.wikipedia.org\/wiki\/Transformator\" title=\"Transformer - Transformer\" target=\"_blank\" rel=\"noopener noreferrer\">Transformer<\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7bf2498 elementor-widget elementor-widget-heading\" data-id=\"7bf2498\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">legislation<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-16cabf7 elementor-widget elementor-widget-text-editor\" data-id=\"16cabf7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>All our stations comply with current safety regulations, including the<br \/><a href=\"https:\/\/www.gesetze-im-internet.de\/bimschv_26\/\" title=\"26th Federal Immission Control Ordinance (26th BImSchV)\" target=\"_blank\" rel=\"noopener noreferrer\">26th Ordinance for the Implementation of the Federal Immission Control Act (26th BImSchV)<\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>A transformer substation is the link between medium and low voltage. Learn simply and comprehensibly how it is constructed, what types exist, and why modern battery energy storage systems (BESS) and solar parks today require specially cooled compact substations to avoid yield losses.<\/p>","protected":false},"author":2,"featured_media":13657,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-24240","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/faber-etec.de\/en\/wp-json\/wp\/v2\/posts\/24240","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/faber-etec.de\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/faber-etec.de\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/faber-etec.de\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/faber-etec.de\/en\/wp-json\/wp\/v2\/comments?post=24240"}],"version-history":[{"count":0,"href":"https:\/\/faber-etec.de\/en\/wp-json\/wp\/v2\/posts\/24240\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/faber-etec.de\/en\/wp-json\/wp\/v2\/media\/13657"}],"wp:attachment":[{"href":"https:\/\/faber-etec.de\/en\/wp-json\/wp\/v2\/media?parent=24240"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/faber-etec.de\/en\/wp-json\/wp\/v2\/categories?post=24240"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/faber-etec.de\/en\/wp-json\/wp\/v2\/tags?post=24240"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}