PHASE DIFFERENCE RELAY Russian patent published in 2004 - IPC

Abstract RU 2240621 C1

FIELD: electrical engineering; electronic phase difference relays.

SUBSTANCE: proposed relay that can, for instance, respond to difference between voltage phases of 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, subtraction unit, two-way limiter, adder, and two rectifiers.

EFFECT: enlarged functional capabilities.

1 cl, 1 dwg

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RU 2 240 621 C1

Authors

Seregin S.N.

Dates

2004-11-20—Published

2003-05-28—Filed