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1.电源变压器初级空载电流。测量电源变压器初级空载电流的目的是检查变压器是否存在短路故障。电源变压器初级电流需用万用表交流电流档测量。由于是测空载电流,故测量时应断开变压器次级绕组的所有负载。
1. Power transformer primary no-load current. The purpose of measuring the primary no-load current of the power transformer is to check whether there is a short-circuit fault in the transformer. Power transformer primary current AC multi-meter current measurement required. Because it is empty load current, so the measurement should disconnect all the secondary winding transformer load.