九相磁通切换永磁电机主动缺相运行控制策略
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摘要
为提高电驱系统轻载工作时的运行效率,提出一种九相磁通切换永磁(FSPM)电机主动缺相方案,即按照不同功率要求,运行不同绕组系统,进而获得不同绕组组合状态下的最大效率。首先建立九相FSPM电机及变流器的损耗模型,并从系统运行功耗角度分析,讨论最佳的绕组通电模式。在此基础上,精确计算主动缺相运行时谐波子空间的电流分量,进而设计主动缺相控制策略。最后,按照绕组最优投切顺序给出直接切换和容错切换两种投切方式。仿真和实验结果验证了主动缺相控制策略的有效性。
In order to improve the operation efficiency at light load,an active phase-deficient method for a nine-phase flux switching permanent magnet(FSPM) motor is proposed in this paper.Namely,this method can activate corresponding winding group in accordance with various power conditions,to obtain the maximum efficiency under different winding combinations.In addition,the analytical loss models of the nine-phase FSPM motor and converter are built,and then the optimum winding work principle is discussed according to the power consumption.On this basis,the harmonic current components are accurately calculated,and the control block of active phase-deficient operation is designed.Finally,two switch modes(direct and fault-tolerant) are evaluated according to the optimum winding switch sequence.The simulation and experimental results verify the proposed control strategy.
In order to improve the operation efficiency at light load,an active phase-deficient method for a nine-phase flux switching permanent magnet(FSPM) motor is proposed in this paper.Namely,this method can activate corresponding winding group in accordance with various power conditions,to obtain the maximum efficiency under different winding combinations.In addition,the analytical loss models of the nine-phase FSPM motor and converter are built,and then the optimum winding work principle is discussed according to the power consumption.On this basis,the harmonic current components are accurately calculated,and the control block of active phase-deficient operation is designed.Finally,two switch modes(direct and fault-tolerant) are evaluated according to the optimum winding switch sequence.The simulation and experimental results verify the proposed control strategy.
引文
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[11]Zarri L,Mengoni M,Tani A,et al.Minimization of the power losses in IGBT multiphase inverters with carrier-based pulse width modulation[J].IEEETransactions on Industrial Electronics,2010,57(11):3695-3706.
[12]Patel V,Wang J,Nugraha D,et al.Enhanced availability of drivetrain through novel multiphase permanent-magnet machine drive[J].IEEE Transactions on Industrial Electronics,2017,63(1):469-480.
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[14]Zhu Sa,Cheng Ming,Dong Jianning,et al.Core loss analysis and calculation of stator permanent magnet machine considering DC-biased magnetic induction[J].IEEE Transactions on Industrial Electronics,2014,61(10):5203-5212.
[15]朱洒,程明,李祥林,等.新型外转子低速直驱永磁游标电机的损耗[J].电工技术学报,2015,30(2):14-20.Zhu Sa,Cheng Ming,Li Xianglin,et al.Loss analysis of a new low-speed direct-drive permanent magnet vernier machine[J].Transactions of China Electrotechnical Society,2015,30(2):14-20.
[16]唐云宇,林燎源,马皓.一种改进的并联IGBT模块瞬态电热模型[J].电工技术学报,2017,32(12):88-96.Tang Yunyu,Lin Liaoyuan,Ma Hao.An improved transient electro-thermal model for paralleled IGBTmodules[J].Transactions of China Electrotechnical Society,2017,32(12):88-96.
[17]杨经伟,王念春,程明.多绕组风力发电机主动缺相运行变流器效率分析[J].电气传动,2016,46(1):24-27.Yang Jingwei,Wang Nianchun,Cheng Ming Efficiency analysis of converter for initiative phasedeficient operation of multi-windings generator[J].Electrical Drive,2016,46(1):24-27.
[18]Yu Feng,Cheng Ming,Chau K T.Controllability and performance of nine-phase FSPM motor under severe five open-phase fault condition[J].IEEE Transactions on Energy Conversion,2016,31(1):323-332.
[2]刘自程,李永东,郑泽东.多相电机控制驱动技术研究综述[J].电工技术学报,2017,32(24):17-29.Liu Zicheng,Li Yongdong,Zheng Zedong.Control and drive techniques for multiphase machines:a review[J].Transactions of China Electrotechnical Society,2017,32(24):17-29.
[3]於锋,程明,花为,等.基于NPC三电平九相磁通切换永磁电机的控制[J].电机与控制学报,2017,21(2):18-25.Yu Feng,Cheng Ming,Hua Wei,et al.Control of nine-phase flux-switching permanent magnet motor supplied by three-level NPC inverter[J].Electric Machines and Control,2017,21(2):18-25.
[4]Tessarolo A,Bassi C.Stator harmonic currents in VSI-fed synchronous motors with multiple threephase armature windings[J].IEEE Transactions on Energy Conversion,2010,25(4):974-982.
[5]周长攀,杨贵杰,苏健勇,等.基于正常解耦变换的双三相永磁同步电机缺相容错控制策略[J].电工技术学报,2017,32(3):87-96.Zhou Changpan,Yang Guijie,Su Jianyong,et al.The control strategy for dual three-phase PMSM based on normal decoupling transformation under fault condition due to open phases[J].Transactions of China Electrotechnical Society,2017,32(3):87-96.
[6]刘金利,马伟明,翟小飞,等.双九相储能电机带整流负载系统降阶等效平均模型研究[J].电工技术学报,2018,33(17):4052-4059.Liu Jinli,Ma Weiming,Zhai Xiaofei,et al.Study on equivalent reduced average model of dual nine-phase energy storage electrical machine with rectifier load[J].Transactions of China Electrotechnical Society,2018,33(17):4052-4059.
[7]Zhang Gan,Hua Wei,Cheng Ming,et al.Design and comparison of two six-phase hybrid-excited fluxswitching machines for EV/HEV applications[J].IEEE Transactions on Industrial Electronics,201663(1):481-493.
[8]Shao Lingyun,Hua Wei,Zhu Z Q,et al.Investigation on phase shift between multiple multiphase windings in flux-switching permanent magnet machines[J].IEEE Transactions on Industry Applications,2017,53(3):1958-1970.
[9]Cheng Ming,Yu Feng,Chau K T,et al.Dynamic performance evaluation of a nine-phase fluxswitching permanent magnet motor drive with model predictive control[J].IEEE Transactions on Industrial Electronics,2016,36(3):836-844.
[10]於锋,程明,夏子朋,等.三种谐波电流注入模式下的磁通切换永磁电机缺相容错控制[J].中国电机工程学报,2016,36(3):836-844.Yu Feng,Cheng Ming,Xia Zipeng,et al.Fault tolerant control of flux-switching permanent magnet motors with three kinds of harmonic current injections[J]Proceedings of the CSEE,2016,36(3):836-844.
[11]Zarri L,Mengoni M,Tani A,et al.Minimization of the power losses in IGBT multiphase inverters with carrier-based pulse width modulation[J].IEEETransactions on Industrial Electronics,2010,57(11):3695-3706.
[12]Patel V,Wang J,Nugraha D,et al.Enhanced availability of drivetrain through novel multiphase permanent-magnet machine drive[J].IEEE Transactions on Industrial Electronics,2017,63(1):469-480.
[13]Duran M,Gonzalez-Prieto I,Barrero F,et al.Asimple braking method for six-phase induction motor drives with unidirectional power flow in the basespeed region[J].IEEE Transactions on Industrial Electronics,2017,64(8):6032-6041.
[14]Zhu Sa,Cheng Ming,Dong Jianning,et al.Core loss analysis and calculation of stator permanent magnet machine considering DC-biased magnetic induction[J].IEEE Transactions on Industrial Electronics,2014,61(10):5203-5212.
[15]朱洒,程明,李祥林,等.新型外转子低速直驱永磁游标电机的损耗[J].电工技术学报,2015,30(2):14-20.Zhu Sa,Cheng Ming,Li Xianglin,et al.Loss analysis of a new low-speed direct-drive permanent magnet vernier machine[J].Transactions of China Electrotechnical Society,2015,30(2):14-20.
[16]唐云宇,林燎源,马皓.一种改进的并联IGBT模块瞬态电热模型[J].电工技术学报,2017,32(12):88-96.Tang Yunyu,Lin Liaoyuan,Ma Hao.An improved transient electro-thermal model for paralleled IGBTmodules[J].Transactions of China Electrotechnical Society,2017,32(12):88-96.
[17]杨经伟,王念春,程明.多绕组风力发电机主动缺相运行变流器效率分析[J].电气传动,2016,46(1):24-27.Yang Jingwei,Wang Nianchun,Cheng Ming Efficiency analysis of converter for initiative phasedeficient operation of multi-windings generator[J].Electrical Drive,2016,46(1):24-27.
[18]Yu Feng,Cheng Ming,Chau K T.Controllability and performance of nine-phase FSPM motor under severe five open-phase fault condition[J].IEEE Transactions on Energy Conversion,2016,31(1):323-332.
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