FIELD: electrical engineering; relay protective gear responding to difference in supply mains and generator phases.
SUBSTANCE: proposed relay has five threshold units, AND gate, reversible counter, pulse counter, two switches, OR gate unit, RS flip-flop, 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
Title | Year | Author | Number |
---|---|---|---|
PHASE-FREQUENCY RELAY | 2003 |
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RU2239904C1 |
PHASE-DIFFERENCE RELAY | 2002 |
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RU2213388C1 |
PHASE DIFFERENCE RELAY | 2003 |
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RU2240621C1 |
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|
RU2239905C1 |
CURRENT RELAY | 2014 |
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RU2563959C1 |
PHASE DIFFERENCE RELAY | 2016 |
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RU2636750C1 |
FREQUENCY-PHASE RELAY | 2016 |
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RU2641096C2 |
PHASE DIFFERENCE RELAY | 2003 |
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RU2240620C1 |
REGULATING RELAY | 2016 |
|
RU2623098C1 |
CURRENT RELAY | 2003 |
|
RU2244991C1 |
Authors
Dates
2004-11-27—Published
2003-06-03—Filed