Device of fast-acting automatic backup input for substations 6-10 kV "Bresler-01?7.075.??" (BAVR) are designed for fast-acting automatic transfer of power supply of the emergency busbar section load to the reserve source (working busbar section or working input) at substations of distribution networks 6-10 kV with synchronous and asynchronous motors as a load or without them in various emergency situations (both at the loss of power from the main source, and at occurrence of all types of short circuits in the supply line circuits), as well as for return to normal operation mode of the electrical installation (RNR) after restoration of voltage at the main source.
The BAVR device is designed for operation at substations with the following power supply schemes:
- one busbar section with two inputs;
- two busbar sections with two bushings and a sectional switch;
- three busbar sections with one input switch per section and two sectional switches.
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