DEVICE FOR POWER SUPPLY PHASE-FAILURE PROTECTION OF THREE-PHASE MOTORS Russian patent published in 2003 - IPC

Abstract RU 2204190 C2

FIELD: electrical engineering; three-phase motor protective gear. SUBSTANCE: phase-failure protective device has single-phase-to-three-phase voltage converter and serviceable supply phase selecting unit that functions to automatically switch over electric motor from supply mains to converter in case of phase failure in power supply. EFFECT: enlarged functional capabilities of device. 1 dwg

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RU 2 204 190 C2

Authors

Jundin M.A.

Jundina A.M.

Dates

2003-05-10—Published

2000-10-25—Filed