论述了乒乓式转子一点接地保护的原理改进方案。
This paper presents the principle improvement of time sequence rotor one point earthing protection.
转子一点接地保护采用变电桥原理，增强了反应过渡电阻的能力。
The rotors one point grounded protection adopts variable electricity bridge principle and can reflect transition resistor better.
通过对转子一点接地保护的灵敏度分析，证实了该设计的实用价值。
The sensitivity of one-point grounding protection for rotor is analyzed, which validates the practical value of the design.
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