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针对我国引进的第三代核电机组AP1000所采用的主泵变频器运行及故障状态进行了仿真分析,主要讨论了变频器功率单元在整流桥故障状态下的工作状态以及其影响,并做出了分析和比较,为提高变频器的可靠性提供参考。
In this paper, the operation and fault status of the main pump inverter used in AP1000 imported by China’s third generation nuclear power generation unit are simulated and analyzed. The working state of the inverter power unit in the fault condition of the rectifier bridge and its influence are discussed. Analysis and comparison, in order to improve the reliability of the inverter provide a reference.