FIELD: electrical engineering, power direction relays. SUBSTANCE: static power relay incorporates intermediate transformer, three threshold units, multiplier, reversible counter, storage register, final-control element, intermediate current transformer, pulse-length modulator, OR gate, clock pulse generator, pulse former, sawtooth voltage generator and univibrator. EFFECT: increased operational accuracy. 2 cl, 3 dwg
Title | Year | Author | Number |
---|---|---|---|
RESISTANCE RELAY | 2002 |
|
RU2224322C1 |
PHASE-FREQUENCY RELAY | 2002 |
|
RU2210132C1 |
DIFFERENTIAL-PHASE RELAY | 2002 |
|
RU2231156C1 |
DIFFERENTIAL RELAY | 2002 |
|
RU2223569C1 |
RELAY | 2002 |
|
RU2205465C1 |
FREQUENCY RELAY | 2002 |
|
RU2220470C1 |
PHASE MISMATCH SPEED RELAY | 2002 |
|
RU2222085C1 |
RESISTANCE RELAY | 2002 |
|
RU2227942C1 |
FREQUENCY DIFFERENCE RELAY | 2002 |
|
RU2210131C1 |
RATE-OF-PHASE-ERROR RELAY | 2002 |
|
RU2208282C1 |
Authors
Dates
2003-11-20—Published
2002-05-16—Filed