介绍了有载分接开关切换波形测试的意义、原理和方法，指出现场测试经常遇到的问题并分析了其原因，提出了根据现场所测波形判断有载分接开关能否正确切换的方法。

To the scheme of mechanical on load tap changer combined with thyristors, its characteristic of arc suppression is analyzed in details, and a corrected scheme is then present.

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介绍了有载分接开关切换波形测试的意义、原理和方法，指出现场测试经常遇到的问题并分析了其原因，提出了根据现场所测波形判断有载分接开关能否正确切换的方法。

To the scheme of mechanical on load tap changer combined with thyristors, its characteristic of arc suppression is analyzed in details, and a corrected scheme is then present.

youdao