SHAO Zhen-zhe, HAO Li-jun, YAN Ming-an. TREATMENT OF ERRONEOUS ALARMS FOR LOW OIL PRESSURE LOCK-OUT OF CIRCUIT BREAKER TYPE3AT E1[J]. High voltageapparatus, 2003, (2): 78-79.
SHAO Zhen-zhe, HAO Li-jun, YAN Ming-an. TREATMENT OF ERRONEOUS ALARMS FOR LOW OIL PRESSURE LOCK-OUT OF CIRCUIT BREAKER TYPE3AT E1[J]. High voltageapparatus, 2003, (2): 78-79.DOI:
The author analyzes the reason of the erroneous alarm for low oil pressure lock-out of type3AT E1circuit breaker while the oil pressure of the hydraulic operating mechanism is normal