Transformer LTC device operation management

1, the newly installed or overhauled OLTC complete shock load operation after closing test, should be adjusted stall test, right before take-generation load.
2, on-load tap tap change air circuit breaker unit, command duty officer should be allowed to transfer within the scope.
3, when the tap change operation after the power supply phase sequence is correct undetermined  Electric energy meter in the limit position for electrical operation.
4 OLTC adjust the tap, the main transformer load current should not exceed the rated current adjustment gear 85%.
5, parallel  circuit breakers  of on-load tap changer, adjust the gear change should be alternating, not on a single transformer for two or more consecutive stalls transform counted once for each adjustment a file.
6, when the body or load tap tap oil, chromatographic analysis abnormal, pause tap-change operation.