PHASE DIFFERENCE RELAY Russian patent published in 2005 - IPC

Abstract RU 2244975 C1

FIELD: electrical engineering; relay protective gear for supply mains and generators.

SUBSTANCE: proposed relay has five threshold units, adder, two AND gates, reversing counter, final component, clock generator, pulse frequency divider, and monostable multivibrator; input of fourth threshold input functions as supply mains voltage input; input of fifth threshold unit functions as peripheral generator voltage input; input of monostable multivibrator functions as trigger input of phase difference relay.

EFFECT: enlarged functional capabilities.

1 cl, 2 dwg

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RU 2 244 975 C1

Authors

Varganov G.P.

Rozenbljum R.Z.

Dates

2005-01-20—Published

2003-05-22—Filed