介绍了变压器温升试验时，利用不同额定电压的电容器进行补偿的方法。

The compensation methods of using different rated voltage capacitors are introduced in transformer rise test.

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另外，由于补偿装置中igbt模块的额定工作电压的限制，若要将其运用于高压系统需要连接特殊的升压变压器，成本较高。

Otherwise, because of the limitation of IGBT's specified voltage, we must use special step-up transformer, which is more expensive, if we put this device into high voltage power system.

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在此基础上确定了溪洛渡—株洲特高压直流输电工程换流变压器的额定功率、电压、电流和分接头的变化范围等参数。

After illustrating the operation theory of six pulse converter, author gives the calculating method of UHVDC transmission parameters such as operating power, voltage, current and tap changer range.

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