POWER SUPPLY SYSTEM FOR AUXILIARY ASYNCHRONOUS ELECTRIC MOTORS OF ELECTRIC ROLLING STOCK Russian patent published in 2017 - IPC B60L1/00 H02M5/14 

FIELD: electricity.

SUBSTANCE: power supply system for auxiliary asynchronous electric motors of the electric rolling stock contains capacitors connected to the first output of the auxiliary winding, the first input of the contactor control unit and to the first output terminal of the power supply system. The first outputs of the throttles, forming their antiparallel connection, are connected to each other to the second output of the first capacitor and to the third output terminal of the power supply system. The second output of the auxiliary winding is connected to the second input of the contactor control unit, the second output of the second throttle, the first output of the control contactor winding and to the second output terminal of the power supply system. The second capacitor is connected with its second output to the first contact input of the contactor, the second output of which is connected to the second output of the first throttle. The control winding of the contactor is connected with its second terminal to the third output of the contactor control unit.

EFFECT: increasing the reliability of the power supply system.

1 dwg