9200-06-01-10-00 BENTLY 以便有更灵敏的定值。3.当电压信号是从三角.星形连接的变压器的后部测得时

2.与精确的校验角一起，它可以为CT及VT的角度误差提供补偿，以便有更灵敏的定值。3.当电压信号是从三角.星形连接的变压器的后部测得时，它可以提供需要的方向性,而且需要相角补偿。例如,有功过功率特性是通过将定值功率方向1(2)灵角设为“0°”而实现的，无功过功率是通过将定值功方向1(2)灵敏角设为“180°”,无功低功率将定值功方向1(2)灵敏角设为“270”。

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