七电平有源中点钳位型变流器故障状态运行策略
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摘要
首先对七电平有源中点钳位型(ANPC-7L)变流器由开关器件短路和断路引起的单相和多相故障进行了分析,找出变流器可继续运行的所有单相和多相故障状态,接着针对各种故障状态提出一种统一调制策略,并对变流器在各种故障状态下的中点电压平衡控制问题进行讨论,最后在一台380V/5kW的ANPC-7L变流器样机上对所提故障状态运行策略进行实验验证。
This paper analyzed operation characteristics of seven-level active neutral-pointclamped(ANPC-7L) converter under single-phase and multi-phase faults caused by switch short-circuit failure and open-circuit failure,and found out all the single-phase and multi-phase faults under which the converter can still be operational.This paper proposed a unified modulation strategy for various faults,and discussed the neutral-point potential balancing problem of ANPC-7L converter under various fault conditions.The proposed fault tolerant operation strategy is verified by the results from a 380V/5kW ANPC-7L converter.
This paper analyzed operation characteristics of seven-level active neutral-pointclamped(ANPC-7L) converter under single-phase and multi-phase faults caused by switch short-circuit failure and open-circuit failure,and found out all the single-phase and multi-phase faults under which the converter can still be operational.This paper proposed a unified modulation strategy for various faults,and discussed the neutral-point potential balancing problem of ANPC-7L converter under various fault conditions.The proposed fault tolerant operation strategy is verified by the results from a 380V/5kW ANPC-7L converter.
引文
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[2]Nabae A,Takahashi I,Akagi H.A new neutralpoint-clamped PWM inverter[J].IEEE Transactions on Industry Applications,1981,17(5):518-523.
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[13]徐殿国,李彬彬,周少泽.模块化多电平高压变频技术研究综述[J].电工技术学报,2017,32(20):104-116.Xu Dianguo,Li Binbin,Zhou Shaoze.Overview of the modular multilevel converter[J].Transactions of China Electrotechnical Society,2017,32(20):104-116.
[14]徐帅,张建忠.多电平电压源型逆变器的容错技术综述[J].电工技术学报,2015,30(21):39-50.Xu Shuai,Zhang Jianzhong.Overview of faulttolerant techniques for multilevel voltage source inverters[J].Transactions of China Electrotechnical Society,2015,30(21):39-50.
[15]徐殿国,刘晓峰,于泳.变频器故障诊断及容错控制综述[J].电工技术学报,2015,30(21):1-12.Xu Dianguo,Liu Xiaofeng,Yu Yong.A survey on fault diagnosis and tolerant control of inverter[J].Transactions of China Electrotechnical Society,2015,30(21):1-12.
[16]Sheng Weihui,Ge Qiongxuan.Research on neutralpoint potential balancing algorithm for seven-level active neutral-point-clamped inverters[C]//19th European Conference on Power Electronics and Applications,Warsaw,2017:1-10.
[17]Sheng Weihui,Ge Qiongxuan.An optimized neutralpoint potential balancing algorithm for seven-level ANPC inverters[C]//IEEE Energy Conversion Congress and Exposition,Cincinnati,2017:2831-2838.
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[19]王奎,郑泽东,李永东.基于零序电压注入的五电平有源中点钳位型逆变器多目标优化控制策略[J].电工技术学报,2014,29(6):129-135.Wang Kui,Zheng Zedong,Li Yongdong.Multipurpose optimal control strategy of a five-level active neutral-point clamped inverter based on zerosequence voltage injection[J].Transactions of China Electrotechnical Society,2014,29(6):129-135.
[20]王奎,郑泽东,李永东,等.基于五电平有源中点钳位型双变换器的异步电机矢量控制系统[J].电工技术学报,2014,29(2):247-252.Wang Kui,Zheng Zedong,Li Yongdong,et al.Vector control system for induction motors based on five-level active neutral-point-clamped dual-pwm converter[J].Transactions of China Electrotechnical Society,2014,29(2):247-252.
[21]刘战,谭国俊,李浩,等.基于空间电压矢量的有源中点箝位型五电平逆变器母线中点电压平衡问题的研究[J].中国电机工程学报,2015,35(24):6499-6507.Liu Zhan,Tan Guojun,Li Hao,et al.Research on neutral-point potential balancing problems of active neutral-point-clamped five-level inverter based on space vector pulse width modulation[J].Proceedings of the CSEE,2015,35(24):6499-6507.
[22]王超,何英杰,宋志顺,等.有源中点钳位多电平逆变器空间矢量调制与三角载波调制统一理论[J].电工技术学报,2017,32(14):106-115.Wang Chao,He Yingjie,Song Zhishun,et al.Unified theory between the space vector and the triangular carrier-based PWM strategies in active neutralpoint-clamped multilevel inverters[J].Transactions of China Electrotechnical Society,2017,32(14):106-115.
[23]Konstantinou G,Pulikanti S,Ciobotaru M,et al.The seven-level flying capacitor based ANPC converter for grid integration of utility-scale PV systems[C]//3rd IEEE International Symposium on Power Electronics for Distributed Generation Systems,Aalborg,2012:592-597.
[24]Pulikanti S R,Konstantinou G,Agelidis V G.An n-level flying capacitor based active neutral point clamped converter[C]//The 2nd International Symposium on Power Electronics for Distributed Generation Systems,Hefei,2010:553-558.
[25]Pulikanti S R,Konstantinou G,Agelidis V G.Generalization of flying-capacitor based activeneutral-point-clamped multilevel converter using voltage-level modulation[J].IET Power Electronic,2012,5(4):456-466.
[26]Li Jim,Xu Jing,Qi Lisa,et al.Fault tolerant operation of 5L-ANPC converter[C]//IECON 2014-40th Annual Conference of the IEEE Industrial Electronics Society,Dallas,2014:4464-4470.
[27]Li Jun,Xu Jing,Qi Lisa,et al.Analysis and control of fault tolerant operation of five-level ANPCinverters[C]//IEEE 15th Workshop on Control and Modeling for Power Electronics,Santander,2014:1-6.
[28]Sheng Weihui,Ge Qiongxuan.A novel seven-level active neutral-point-clamped converter topology with auxiliary commutating branches and its commutating strategies[C]//The 19th European Conference on Power Electronics and Applications,Warsaw,2017:1-10.
[2]Nabae A,Takahashi I,Akagi H.A new neutralpoint-clamped PWM inverter[J].IEEE Transactions on Industry Applications,1981,17(5):518-523.
[3]Meynard T A,Foch H,Thomas P,et al.Multicell converters:Basic concepts and industry applications[J].IEEE Transactions on Industrial Electronics,2002,49(5):955-964.
[4]Hammond P W.A new approach to enhance power quality for medium voltage AC drives[J].IEEETransactions on Industry Applications,1997,33(1):202-208.
[5]Ding Guanjun,Tang Guangfu,He Zhiyuan,et al.New technologies of voltage source converter(VSC)for HVDC transmission system based on VSC[C]//IEEE Power and Energy Society General Meeting,Pittsburgh,2008:1-8.
[6]Gateau G,Meynard T A,Foch H.Stacked multicell converter(SMC):properties and design[C]//The 32nd Annual Power Electronics Specialists Conference,Vancouver,2001,3:1583-1588.
[7]Barbosa P,Steimer P K,Meysenc L,et al.Active neutral-point-clamped multilevel converters[C]//The36th Annual Power Electronics Specialists Conference,Recife,2005:2296-2301.
[8]Kieferndorf F,Basler M,Serpa L A,et al.A new medium voltage drive system based on ANPC-5Ltechnology[C]//IEEE International Conference on Industrial Technology,Vina del Mar,2010:643-649.
[9]Ceballos S,Pou J,Robles E,et al.Three-level inverter topologies with switch breakdown faulttolerance capability[J].IEEE Transactions on Industrial Electronics,2008,55(3):982-995.
[10]Turpin C,Baudesson P,Richardeau F,et al.Fault management of multicell inverters[J].IEEE Transactions on Industrial Electronics,2002,49(5):988-997.
[11]Carnielutti F,Pinheiro H,Rech C.Generalized carrier-based modulation strategy for cascaded multilevel converters operating under fault conditions[J].IEEE Transactions on Industrial Electronics,2012,59(2):679-689.
[12]Liu H,Loh P C,Blaabjerg F.Review of fault diagnosis and fault tolerant control for modular multilevel converter of HVDC[C]//IECON 2013-39th Annual Conference of the IEEE Industrial Electronics Society,Vienna,2013:1242-1247.
[13]徐殿国,李彬彬,周少泽.模块化多电平高压变频技术研究综述[J].电工技术学报,2017,32(20):104-116.Xu Dianguo,Li Binbin,Zhou Shaoze.Overview of the modular multilevel converter[J].Transactions of China Electrotechnical Society,2017,32(20):104-116.
[14]徐帅,张建忠.多电平电压源型逆变器的容错技术综述[J].电工技术学报,2015,30(21):39-50.Xu Shuai,Zhang Jianzhong.Overview of faulttolerant techniques for multilevel voltage source inverters[J].Transactions of China Electrotechnical Society,2015,30(21):39-50.
[15]徐殿国,刘晓峰,于泳.变频器故障诊断及容错控制综述[J].电工技术学报,2015,30(21):1-12.Xu Dianguo,Liu Xiaofeng,Yu Yong.A survey on fault diagnosis and tolerant control of inverter[J].Transactions of China Electrotechnical Society,2015,30(21):1-12.
[16]Sheng Weihui,Ge Qiongxuan.Research on neutralpoint potential balancing algorithm for seven-level active neutral-point-clamped inverters[C]//19th European Conference on Power Electronics and Applications,Warsaw,2017:1-10.
[17]Sheng Weihui,Ge Qiongxuan.An optimized neutralpoint potential balancing algorithm for seven-level ANPC inverters[C]//IEEE Energy Conversion Congress and Exposition,Cincinnati,2017:2831-2838.
[18]Wang Kui,Zheng Zedong,Li Yongdong,et al.Neutral-point potential balancing of a five-level active neutral-point-clamped inverter[J].IEEE Transactions on Power Electronics,2013,60(5):1907-1918.
[19]王奎,郑泽东,李永东.基于零序电压注入的五电平有源中点钳位型逆变器多目标优化控制策略[J].电工技术学报,2014,29(6):129-135.Wang Kui,Zheng Zedong,Li Yongdong.Multipurpose optimal control strategy of a five-level active neutral-point clamped inverter based on zerosequence voltage injection[J].Transactions of China Electrotechnical Society,2014,29(6):129-135.
[20]王奎,郑泽东,李永东,等.基于五电平有源中点钳位型双变换器的异步电机矢量控制系统[J].电工技术学报,2014,29(2):247-252.Wang Kui,Zheng Zedong,Li Yongdong,et al.Vector control system for induction motors based on five-level active neutral-point-clamped dual-pwm converter[J].Transactions of China Electrotechnical Society,2014,29(2):247-252.
[21]刘战,谭国俊,李浩,等.基于空间电压矢量的有源中点箝位型五电平逆变器母线中点电压平衡问题的研究[J].中国电机工程学报,2015,35(24):6499-6507.Liu Zhan,Tan Guojun,Li Hao,et al.Research on neutral-point potential balancing problems of active neutral-point-clamped five-level inverter based on space vector pulse width modulation[J].Proceedings of the CSEE,2015,35(24):6499-6507.
[22]王超,何英杰,宋志顺,等.有源中点钳位多电平逆变器空间矢量调制与三角载波调制统一理论[J].电工技术学报,2017,32(14):106-115.Wang Chao,He Yingjie,Song Zhishun,et al.Unified theory between the space vector and the triangular carrier-based PWM strategies in active neutralpoint-clamped multilevel inverters[J].Transactions of China Electrotechnical Society,2017,32(14):106-115.
[23]Konstantinou G,Pulikanti S,Ciobotaru M,et al.The seven-level flying capacitor based ANPC converter for grid integration of utility-scale PV systems[C]//3rd IEEE International Symposium on Power Electronics for Distributed Generation Systems,Aalborg,2012:592-597.
[24]Pulikanti S R,Konstantinou G,Agelidis V G.An n-level flying capacitor based active neutral point clamped converter[C]//The 2nd International Symposium on Power Electronics for Distributed Generation Systems,Hefei,2010:553-558.
[25]Pulikanti S R,Konstantinou G,Agelidis V G.Generalization of flying-capacitor based activeneutral-point-clamped multilevel converter using voltage-level modulation[J].IET Power Electronic,2012,5(4):456-466.
[26]Li Jim,Xu Jing,Qi Lisa,et al.Fault tolerant operation of 5L-ANPC converter[C]//IECON 2014-40th Annual Conference of the IEEE Industrial Electronics Society,Dallas,2014:4464-4470.
[27]Li Jun,Xu Jing,Qi Lisa,et al.Analysis and control of fault tolerant operation of five-level ANPCinverters[C]//IEEE 15th Workshop on Control and Modeling for Power Electronics,Santander,2014:1-6.
[28]Sheng Weihui,Ge Qiongxuan.A novel seven-level active neutral-point-clamped converter topology with auxiliary commutating branches and its commutating strategies[C]//The 19th European Conference on Power Electronics and Applications,Warsaw,2017:1-10.