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首页> 外文会议>International Conference on Electrical Machines and Systems >Fault-Tolerant Control of Open-Circuit Fault for Permanent Magnet Starter/Generator
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Fault-Tolerant Control of Open-Circuit Fault for Permanent Magnet Starter/Generator

机译：永磁起动器/发电机的开路故障容错控制

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摘要

This paper focuses on the fault-tolerant control of open-circuit fault that includes power switch fault and armature winding fault for permanent magnet starter/generator (PMS/G) system. A redundant leg is applied to the three-phase converter to substitute the faulted leg when open-circuit fault occurs in the power switches, while there is an fault in the armature winding, the neutral point of the PMS/G is connected to the middle point of the redundant leg to produce a path for zero sequence current, and a current compensating method is proposed in the vector control strategy to maintain the magnetomotive force (MMF). This method can ensure the stability of the output torque and the DC-link voltage when open-circuit fault occurs. The system performance is almost unchanged with power switch fault, and the output power will be reduced with armature winding fault. Simulation results show that the proposed topology and fault-tolerant control method are feasible for PMS/G system.
机译：本文着重研究开路故障的容错控制，包括永磁起动器/发电机（PMS / G）系统的电源开关故障和电枢绕组故障。当电源开关中发生开路故障时，在三相转换器上使用一个冗余支路来替代故障支路，而在电枢绕组中出现故障时，PMS / G的中性点连接到中间为了产生零序电流，需要在冗余支路的一点上产生一个路径，并且在矢量控制策略中提出了一种电流补偿方法，以保持磁通势（MMF）。这种方法可以确保发生开路故障时输出转矩和直流母线电压的稳定性。电源开关故障时，系统性能几乎保持不变，电枢绕组故障时，输出功率将降低。仿真结果表明，所提出的拓扑结构和容错控制方法对于PMS / G系统是可行的。

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