FIELD: electrical engineering. SUBSTANCE: relay control circuit further includes gate- controlled thyristor, and transistor optron. Relay control circuit capacitor connected to the primary transformer coils via electronic switch. The secondary transformer coils is connected to thyristor gate. Resistor-phototransistor optic coupler bridge is connected in series to relay coil. EFFECT: increased fault tolerance. 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| LIGHTING INSTALLATION | 1990 |
|
RU2015625C1 |
| APPLIANCE FOR CONTROL SIGNALS TRANSMISSION IN ELECTRICAL SYSTEM | 0 |
|
SU1835553A1 |
| 0 |
|
SU1785061A1 | |
| SYSTEM OF EXTERNAL ILLUMINATION | 0 |
|
SU1721847A1 |
| OUTDOOR LIGHTING SYSTEM | 1988 |
|
RU2025911C1 |
| SYSTEM FOR CONTROL AND CHECK OF THREE-PHASE EXTERIOR LIGHTING SYSTEMS WITH CASCADE CONNECTION | 0 |
|
SU1136256A1 |
| DEVICE FOR TRANSMISSION OF CONTROL SIGNALS IN POWER SUPPLY NETWORK | 0 |
|
SU1534482A1 |
| DEVICE FOR PROTECTING LOAD AGAINST INCOMPLETE-PHASE MODE | 0 |
|
SU1598029A1 |
| TRIAC CONTROL DEVICE | 0 |
|
SU1403277A1 |
| METHOD FOR TRANSMITTING AND RECEIVING CONTROL INSTRUCTIONS THROUGH WIRES OF THREE-PHASE SUPPLY LINE | 1991 |
|
RU2017224C1 |
