PHASE DIFFERENCE RELAY Russian patent published in 2004 - IPC

Abstract RU 2240620 C1

FIELD: electrical engineering; electronic phase difference relays.

SUBSTANCE: proposed relay that can respond, for instance, to voltage phase difference between supply mains and generator has five threshold units, five AND gates, reversible counter, final element, clock generator, monostable multivibrator, short pulse shaper, averaging filter, three OR gates, and two rectifiers.

EFFECT: enlarged functional capabilities.

1 cl, 1 dwg

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RU 2 240 620 C1

Authors

Ivanov P.N.

Dates

2004-11-20—Published

2003-05-15—Filed