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Excellent breaking capability by puffer extinction method |
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Adoption of high capable and reliable hydraulic mechanism for circuit breaker |
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High insulation and reliability by metal enclosure filled with SF6 gas |
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Stability improvement by conductive and operating parts installation inside of the enclosure |
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Remarkable installation area reduction by compact design |
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Certificated by the IEC and ES(Standard Technical Specifications of KEPCO) |
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One phase in one enclosure type |
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Easy transport, installation and maintenance during GIS working | |
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Item |
800kV GIS |
Model |
800SR |
Rated Voltage (kV rms) |
800 |
Rated Short-circuit Breaking Current (kA rms) |
50 |
Rated Current (A rms) |
8000 |
Rated Frequency (Hz) |
50 / 60 |
Rated Power Frequency Withstand Voltage (kV rms) |
830 |
Rated Lightning Impulse Withstand Voltage (kV peak) |
2250 |
Rated Switching Impulse Withstand Voltage (kV peak) |
1425 |
Rated Gas Pressure (Mpa) |
0.7 / 0.4 | |
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800SR |
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Circuit Breaker |
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- Puffer method for arc extinction operated by hydraulic operation |
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High Speed Grounding Switch |
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- Puffer method for arc extinction operated by hydraulic operation |
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Make-proof Earthing Switch |
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- Motor spring operation |
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Disconnector Switch |
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- Motor spring operation |
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Earthing Switch for Maintenance |
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- Hand operation | |
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