The key to the detection of MOA resistive current is the detection of the phase difference between fundamental component of voltage and fundamental component of leakage current.
MOA阻性电流检测的关键在于电压基波分量与泄漏电流基波分量相位差的检测。
Measuring resistive current of metal oxide arrester according to the service voltage is important to check whether MOA is damped and to indicate service status of MOA.
在运行电压下测量金属氧化物避雷器的阻性电流，对于反映MOA是否受潮以及其运行的状态具有重要意义。
A new method be gived to measure MOA′s resistive fundamental harmonic leakage current(RFHC)by over-zero & harmonic analysis methods accurately.
给出了采用过零法和谐波分析法相结合来精确测量金属氧化物避雷器（MOA）阻性电流基波的新算法。
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