The gas relay (hereinafter referred to as the relay) is an oil-immersed transformer with an oil storage cabinet and a protection device for the on-load tap changer. The relay is installed in the connecting pipe between the transformer and the on-load tap changer fuel tank and the oil conservator. Technical parameters: oil flow speed range and factory setting value of trip contact action Oil flow speed range and factory setting value of trip contact action model | QJ1-80 | QJ1-50 | QJ1-25 |
Flow rate range | 0.7-1.5m/s | 0.6-1.0m/s | 1.0m/s |
Factory setting | 1.0m/s | 0.8m/s | 1.0m/s |
1. Relay pipe diameter:
QJ1-25 type is ф25, QJ1-5O is ф50, QJ1-80 is ф80
2. Relay working temperature: -30° C- +95°C
3. Signal contact action gas capacity: 250-300cm3
4. Contact rated capacity: 220V 0.3A, 110V 0.6A (S 5X10 S)
5. Insulation strength: 2000V/nim
6. Sealing performance: The relay is filled with transformer oil, and it is pressurized at room temperature for 200Kpa/20min without leakage. .