EARTH FAULT PROTECTION DEVICE OF POWER CIRCUITS OF DIESEL LOCOMOTIVE AC/DC ELECTRICAL TRANSMISSION

摘要

FIELD: transport; electrical equipment. SUBSTANCE: device has sensing element, automatic switch, slave element and control unit. New elements are control unit, incandescent lamps placed in sensing element, single-phase diode bridge, isolation diodes, thyristors and push button with break contact in slave element. EFFECT: simplified design, enhanced reliability, enlarged operating capabilities.