中国电机工程学报2011，Vol.31Issue(24)：68-76,9.
五相永磁同步电动机单相开路故障的容错控制策略
Fault-tolerant Control Strategy for Five-phase Permanent Magnetic Synchronous Motor Under Single Phase Open-circuit Fault Condition
摘要
Abstract
To obtain a post-fault smooth motor torque and guarantee safe drive operation after fault occurrence, the novel fault-tolerant current control strategies for five-phase permanent magnetic synchronous motor under single phase open-circuit fault condition was presented. By adopting post-fault extended transformation matrixes, torque and copper loss equations at fundamental and third harmonic synchronous rotating coordinates were deduced respectively. According to the two cases of back-EMF with and without third harmonic component, analytical methods to eliminate the torque pulsation by applying fundamental current only and with third harmonic current injection were proposed. Also, from the perspectives of maximum torque per ampere and maximum total torque, the corresponding analytical optimization methods were proposed further. A universal online generation technique of fault-tolerant current applicable to different types of air gap magnetic field and optimization objectives was designed. A good match between analytical predictions and results of both simulations and experiments validates the proposed current control strategies.关键词
五相永磁同步电动机/多相系统/容错/现场可编程门阵列/同步旋转坐标系Key words
five-phase permanent magnetic synchronousmotor （FPMSM）/multiphase systems/fault-tolerance/FPGA/synchronous rotating coordinates分类
信息技术与安全科学引用本文复制引用
赵品志,杨贵杰,李勇..五相永磁同步电动机单相开路故障的容错控制策略[J].中国电机工程学报,2011,31(24):68-76,9.基金项目
国家863高技术基金项目（2008AA042204). （）
