FIELD: electrical engineering. SUBSTANCE: invention is employed in facilities of relay protection in the capacity of relay-regulator of transformation ratio of transformer. Proposed relay includes four comparators, RS flip-flop, two final-control elements, two pulse formers of leading edge, two OR gates, four AND gates, delay element and univibrator. EFFECT: increased operational accuracy of relay. 2 dwg
Title | Year | Author | Number |
---|---|---|---|
PHASE-FREQUENCY RELAY | 2002 |
|
RU2210132C1 |
RELAY | 2002 |
|
RU2208260C1 |
RESISTANCE RELAY | 2002 |
|
RU2224322C1 |
DIFFERENTIAL RELAY | 2002 |
|
RU2223569C1 |
RESISTANCE RELAY | 2002 |
|
RU2227942C1 |
TIME RELAY | 2002 |
|
RU2219613C1 |
FREQUENCY DIFFERENCE RELAY | 2002 |
|
RU2210131C1 |
FREQUENCY ADJUSTMENT RELAY | 2002 |
|
RU2210133C1 |
RATE-OF-PHASE-ERROR RELAY | 2002 |
|
RU2208282C1 |
STATIC POWER RELAY | 2002 |
|
RU2216813C1 |
Authors
Dates
2003-11-20—Published
2002-05-17—Filed