| Diagnosis System Station | · Real time Monitoring & Data management |
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| DAU | PD DAU | · Transmits a signal obtained by the PD sensor on the high-voltage GIS |
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| RT DAU | · Transmits a signal obtained by the DGA, Insulation-oil Temp, FAN,
· Pump-motor sensor on the high-voltage TR |
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| SD DAU | · Transmits a signal obtained by the PD, Temp sensor on the high-voltage GIS |
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| Sensor | PD DAU | UHF PD Sensor | · Early detection of partial discharge signals from the internal GIS |
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| Gas Density Sensor | · Monitors the deterioration and leakage of GIS gas density |
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| Lighting Arrestor | · Analyzes the third harmonic current flowing through the arrester |
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| CB Operating Sensor | · CB operating condition of the contact life detection and analysis |
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| RT DAU | Dissolve Gas Analysis | · Real-time analysis of transformer-oil gas early diagnosis for prevention |
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| Coil / Insulation Oil
Temperature Cooling
FAN, Pump Motor | · Winding transformer/transformer oil temperature to determine
· The comparison overload and fault of the condition |
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| SD DAU | Temperature | · Transmits temperature detected by the IR sensor (Capacitor, Reactor, CB PNL ) |
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| UHF PD Sensor | · Early detection of partial discharge signals from the internal switchgear |
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