PHASE-DIFFERENCE RELAY Russian patent published in 2003 - IPC

Abstract RU 2213388 C1

FIELD: electrical engineering. SUBSTANCE: phase-difference relay designed to adjust generator voltage to supply mains voltage has first rectifier unit whose input functions as generator voltage input, second rectifier unit whose input functions as supply mains voltage input, algebraic adder, four comparators, three AND gates, two pulse shapers, counter, averaging filter, clock generator, and trailing-edge shaper. EFFECT: enlarged functional capabilities. 4 cl, 2 dwg

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RU 2 213 388 C1

Authors

Shurdov M.A.

Dates

2003-09-27—Published

2002-04-08—Filed