Commonly, by opening one switch and closing the other, two group equations are set up to measure rotor earth-fault resistance in the rotor earth-fault protection with switch sampling principle.

切换采样转子一点接地保护，通过两个静态开关一开一合建立两组方程来求解接地电阻与位置。

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This paper analyzes the influences of shaft voltage absorbing circuit and brush touching resistance on the performance of generator rotor earth fault protection.

分析了轴电压吸收回路以及接地碳刷与大轴间接触电阻对发电机转子接地保护的影响，并分别提出了相应的对策和注意事项。

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