Back محطة فرعية Arabic Elektrik yarımstansiyası AZ Электрычная падстанцыя BE Подстанция Bulgarian বৈদ্যুতিক উপকেন্দ্র Bengali/Bangla Subestació elèctrica Catalan Elektrická stanice Czech Электро айстанци CV Elektrisk understation Danish Umspannwerk German
An electrical substation is a subsidiary station of an electricity generation, transmission and distribution system where voltage is transformed from high to low or the reverse using transformers. Electric power may flow through several substations between generating plant and consumer, and may be changed in voltage in several steps.