DEVICE FOR PROTECTING THREE-PHASE MOTOR AGAINST ABNORMAL CONDITIONS Russian patent published in 2000 - IPC

Abstract RU 2151458 C1

FIELD: electrical engineering. SUBSTANCE: motor protection against phase failure, abnormal phase sequence, and unbalance of supply mains is afforded by special circuit schematic of protective gear enabling disconnection of motor under protection from supply mains upon occurrence of abnormal situations. EFFECT: improved reliability and noise immunity of device. 1 dwg

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RU 2 151 458 C1

Authors

Lifer' A.A.

Tsygankov B.K.

Dates

2000-06-20Published

1998-08-11Filed