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Mục lục
Measurement and Metering Functions
Protection Functions
Transformer Current Differential Protection (87T)
Restricted Earth Fault Protection (64REF)
Winding Differential Protection (87W)
Reactor Current Differential Protection (87R)
Inter-turn Fault Protection (21IT)
Phase Overcurrent Protection (50/51P, 67P)
Earth Fault Overcurrent Protection (50/51G, 67G)
Negative-sequence Overcurrent Protection (50/51Q, 67Q)
Breaker Failure Protection (50BF)
Phase Overvoltage Protection (59P)
Phase Undervoltage Protection (27P)
Residual Overvoltage Protection (59G)
Remote/Local Control Mode Switch
Manual Closing Synchronism Check
Supervision Functions
VT Circuit Supervision (VTS)
CT Circuit Supervision (CTS)
Ambient Temperature and Humidity Range
Measurement Scope and Accuracy
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