FIELD: transportation.
SUBSTANCE: invention relates to the vehicles. Vehicle comprises traction motor; main power supply; power converter; main relay of the system; first auxiliary device; battery for auxiliary device; first and second voltage converters; first, second and third power lines. Also there is a first diode placed in the third power line. Anode side of the first diode is connected to the battery for the auxiliary device, and the side of the cathode of the first diode is connected to the first auxiliary device. Second diode is located in the second power line. Side of the anode of the second diode is connected to the second voltage converter, and the side of the cathode of the second diode is connected to the first auxiliary device.
EFFECT: continuous supply of energy to critical auxiliary devices is achieved in case of a short circuit of the battery.
4 cl, 4 dwg
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