Inrush identification is always a key problem in power transformer current differential protection.
励磁涌流识别一直是电力变压器差动保护中比较关注的问题。
The transformation ratio of the original current transformer (CT) on the transformer HV side was so large that a parameter for the differential protection software exceeded its settable scope.
因变压器高压侧的电流互感器选择变比过大,以致超出差动保护软件的参数设置的范围。
It is essential to distinguish excitation inrush from fault current in transformer differential protection.
变压器差动保护的关键问题是判别变压器差动电流是励磁涌流还是故障电流。
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