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Control of a PMSM with Quadruple Three-Phase Star-Connected Windings under Inverter Short-Circuit Fault
IEEE Transactions on Industrial Electronics ( IF 7.7 ) Pub Date : 2019-01-01 , DOI: 10.1109/tie.2018.2835422
Oliver Dieterle , Thomas Greiner , Peter Heidrich

This paper proposes a novel approach for the control of a permanent magnet synchronous machine with a quadruple three-phase star-connected winding configuration after a short-circuit (SC) fault in one voltage source inverter. The approach includes an adaption of the closed-loop current control that allows operation of the faulty unit to proceed without the need to adapt the reference currents. This allows an operation of the faulty drive with increased postfault mean torque. Additionally, a strategy for postfault torque error compensation is proposed, which can be used to reduce the torque ripple while the load distribution is better balanced. Results are respectively compared to the case when applying a symmetric SC to the faulty unit, which is the conventional strategy in case of a transistor SC fault. The current limit of the drive is considered in all cases. The benefits of the approach are validated through experimental tests.

中文翻译:

逆变器短路故障下具有四路三相星形连接绕组的永磁同步电机的控制

本文提出了一种在一个电压源逆变器发生短路 (SC) 故障后控制具有四重三相星形连接绕组配置的永磁同步电机的新方法。该方法包括闭环电流控制的调整,允许故障单元继续运行而无需调整参考电流。这允许故障驱动器以增加的故障后平均扭矩运行。此外,提出了一种故障后转矩误差补偿策略,该策略可用于减少转矩脉动,同时更好地平衡负载分配。结果分别与将对称 SC 应用于故障单元的情况进行比较,这是晶体管 SC 故障情况下的常规策略。在所有情况下都考虑驱动器的电流限制。通过实验测试验证了该方法的好处。
更新日期:2019-01-01
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