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A new fault tolerant NPC converter system for high power induction motor drives

机译:用于大功率感应电动机驱动器的新型容错NPC转换器系统

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Neutral Point Clamped (NPC) converter topology is one of the most common static conversion structures used in high power medium voltage motor drives. In recent years, fault tolerance has become one of the most interesting features which could be requested by the market, in order to improve drives reliability and availability, thus avoiding the stop of means of transport and/or plants. This paper proposes new fault tolerant strategies for NPC inverter feeding asynchronous motor drives supplied by Active Front End (AFE) or Diode Front End (DFE) converters with very low cost and small complexity increase.
机译:中性点钳位(NPC)转换器拓扑是大功率中压电机驱动器中使用的最常见的静态转换结构之一。近年来,容错已成为市场可能要求的最有趣的功能之一,以提高驱动器的可靠性和可用性,从而避免了运输工具和/或工厂的停止。本文提出了一种新的容错策略,用于NPC逆变器为有源前端(AFE)或二极管前端(DFE)转换器提供的异步电动机驱动器供电,具有非常低的成本,并且增加的复杂度很小。

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