FIELD: electrical engineering. SUBSTANCE: relay used for controlling generator frequency when throwing generator on line has three comparators, pulse generator, four AND gates, two OR gates, frequency discriminator, monostable multivibrator, pulse frequency divider, subtraction unit, double-ended limiter, adder, and low-frequency filter. EFFECT: enhanced precision. 1 cl, 1 dwg _
| Title | Year | Author | Number |
|---|---|---|---|
| FREQUENCY ADJUSTMENT RELAY | 2002 |
|
RU2210133C1 |
| DIFFERENTIAL-PHASE RELAY | 2002 |
|
RU2231156C1 |
| DIFFERENCE-FREQUENCY RELAY | 2002 |
|
RU2208869C1 |
| DIFFERENCE-FREQUENCY RELAY | 2002 |
|
RU2208868C1 |
| RESISTANCE RELAY | 2002 |
|
RU2227943C1 |
| DIFFERENTIAL-FREQUENCY RELAY | 2002 |
|
RU2222089C1 |
| FREQUENCY DIFFERENCE RELAY | 2002 |
|
RU2210131C1 |
| FREQUENCY RELAY | 2002 |
|
RU2220470C1 |
| RATE-OF-PHASE-ERROR RELAY | 2002 |
|
RU2208282C1 |
| RELAY | 2002 |
|
RU2216810C1 |
