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用于逆变器短路故障容错的可重构开口绕组电机驱动拓扑

Reconfigurable Open-End Winding Motor Drive Topology for Inverter Short-Circuit Fault Tolerance

语言:

中文摘要

现有的开口绕组驱动器(OWD)在处理逆变器短路故障时,依赖复杂的诊断算法且难以维持功率输出。本文提出了一种具备保护电路的可重构OWD拓扑(TR-OWD),能够快速隔离短路故障并重构电路,从而实现故障后的持续运行。

English Abstract

Existing open-end winding drives (OWDs) require relatively complex fault detection and diagnosis algorithms to handle inverter short-circuit faults. In addition, the motor cannot continue to output power with the disconnected drive. Therefore, this article proposes a topology reconfiguration OWD (TR-OWD) with a protection circuit that can quickly isolate an inverter short-circuit fault and reconfi...
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SunView 深度解读

该技术主要针对电机驱动领域,与阳光电源核心的光伏逆变器和储能PCS业务存在差异。然而,其提出的“故障快速隔离与拓扑重构”设计理念对提升阳光电源大功率组串式逆变器及PowerTitan储能系统的可靠性具有参考价值。特别是在高可靠性要求场景下,通过硬件冗余与拓扑重构实现故障后的降额运行,可提升系统可用性。建议研发团队关注其保护电路设计,以优化逆变器在极端工况下的自我保护能力。