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对三峡左岸电站一次10kV系统备自投失败的原因进行了深入讨论,分析了异步电动机对于10kV母线电压衰减的影响,并针对分析结论提出了对原备自投方案的改进措施。
The reasons for the failure of a 10kV system in the TGP left bank power plant are discussed in depth. The influence of asynchronous motor on the voltage decay of 10kV busbar is analyzed. And the improvement measures of the original backup scheme are put forward according to the conclusion of the analysis.