PDF(754 KB)
PDF(754 KB)
PDF(754 KB)
利用一次电流检验电流互感器二次回路的方法
Test Method for Accuracy of Second Circuit Using Primary Current
利用一次电流检验电流互感器二次回路接线正确性,是新设备投入运行前必须进行的一项基础工作,应针对不同的元件采取不同的方法。结合现场试验实例,分别论述了发电机短路电流、小型电流发生器、外加电压、利用容性电流和负荷电流、大型电机启动电流和变压器的励磁涌流等一次电流检验电流互感器二次回路方法的特点及其适用范围,可供工程人员参考。
Prior to the operation of new electrical equipment, it is necessary to test the accuracy of secondary circuit using primary current. Test methods should be taken in accordance with different components. A series of test methods applying short-circuit current of generators, small current generators, applied voltage, capacitive current, load current, pickup current of large motor and inrush current of transformers were analyzed in terms of characteristics and application scope.
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