Reasonable modification to zero-sequence voltage circuit and proper operation can minimize losses caused by faults of this kind, if it happens again.
合理地变更PT零序电压回路接线和正确的操作，对再发生此类事故可减小事故损失。
Reasonable modification to zero-sequence voltage circuit and proper operation can minimize losses caused by faults of this kind, if it happens again.
合理地变更PT零序电压回路接线和正确的操作，对再发生此类事故可减小事故损失。
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