Block complete transformer substations of outdoor installation in a concrete shell "Techno" are designed for reception, transmission of electrical energy of three-phase alternating current with frequency 50Hz, voltage 6,10,20 kV, and conversion into electrical energy voltage 0,4 kV and its distribution. They are intended for supply of electric energy to housing and communal and public buildings, as well as industrial facilities in electric networks with insulated neutral with voltage 6,10,20 kV and blind-earthed neutral on the 0,4 kV side.
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