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500kV变压器铁心接地电流应不大于( )。

  • 2024-01-15 23:24:29
  • 守荒野

500kV变压器铁心接地电流应不大于( )。

A.100mA

B.200mA

C.300mA

D.400mA

正确答案是A

上一篇:打开测量仪器,电流选择适当的量程,频率选取工频(50Hz)量程进行测量,尽量选取符合要求的( )量程,确保测量的精确度。
下一篇:当变压器铁心接地电流检测结果受环境及检测方法的影响较大时,可通过( )结果进行综合比较,根据其变化趋势做出判断。

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