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230问答网 > 三相四线智能电表ib显示为负值，接线正确！是哪里的原因

三相四线智能电表ib显示为负值，接线正确！是哪里的原因

2025-03-30 07:23:53

推荐回答（2个）

回答1：

首先要了解负荷性质，这是低压电表，负值原因很多，还要了解是否有电流互感器。如果直通表0.11A的负值电流，和接线无关，电表故障。

回答2：

除非是很小的电流，
或者是有无功补偿过补时，
电流方向出现的反向，
要不就只能是接线错误了。

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