Measuring the reverse bias current of an APD requires an instrument that can measure current over a wide range as well as output a voltage sweep.

测量APD的反向偏置电流需要一种能够在很宽范围内测量电流并且能输出扫描电压的仪器。

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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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This paper studies the reason of over voltage, over current, over hot fault of capacitor group and measure to prevent from faults.

分析了并联电容器组过压、过流、过热故障的原因及防范措施。

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