500 kV氧化锌避雷器上节单元0.75U1mA泄漏电流测试误差分析
500 kV양화자피뢰기상절단원0.75U1mA설루전류측시오차분석
Test Error Analysis of 0.75U1mA Leakage Current at 500 kV MOA Top-Element