By using the time variant modulation ratio method, the harmonics can be eliminated and a sinusoidal and balanced output voltage or input current is obtained.

通过采用时变调制比的方法，可以消除不对称输入电压的影响，从而获得对称正弦输出电压或输入电流。

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This text introduce a verified method of direct current high voltage supply source making use of digit multimeter and voltage ratio standard in high voltage and high resistance measure instrument.

本文介绍一种利用高压高阻测量仪的电压比率标准与数字多用表测量直流高压电源的校准方法。

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The principle, main design point and no load voltage ratio calculation method of resin insulation dry-type grounding transformer are introduced.

介绍了树脂绝缘干式接地变压器的工作原理、设计要点及空载电压比的计算方法。

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