一种<em>N</em>相中点钳位型三电平逆变器的PWM策略

doi:10.19595/j.cnki.1000-6753.tces.180343

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Abstract This paper studies the modulation strategy and neutral point voltage control method of N-phase neutral point clamped 3-level inverter. A novel PWM strategy for N-phase NPC 3LI is proposed, named N-phase virtual space vector pulse width modulation strategy. This PWM strategy unconditionally balances the midpoint voltage by accurately calculating and executing a 1-level duty cycle per phase. Some non-ideal factors, such as dead zone insertion, will destroy the midpoint voltage self-balancing capability of the PWM strategy. Therefore, this paper also proposes active neutral point voltage control based on N-VSVPWM. Theoretical analysis and experimental results show that N-VSVPWM has better midpoint voltage control capability and better harmonic characteristics than space vector pulse width modulation strategy, but the switching loss increases.

Key words： 3-level inverter N-phase neutral point clamped carrier-based neutral point voltage

Received: 16 March 2018 Published: 29 May 2019

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TM464

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	Jiang Weidong
	Li Jinsong
	Wang JinPing
	Li Laibao
	Zhai Fei

Cite this article:

Jiang Weidong,Li Jinsong,Wang JinPing等. A PWM Strategy for Neutral Point Clamped N-Phase 3-Level Inverter[J]. Transactions of China Electrotechnical Society, 2019, 34(10): 2194-2206.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.180343 OR https://dgjsxb.ces-transaction.com/EN/Y2019/V34/I10/2194

[1] 胡存刚, 马大俊, 王群京, 等. 三电平有源中点钳位逆变器损耗分布平衡控制策略[J]. 电工技术学报, 2017, 32(1): 129-138.
Hu Cungang, Ma Dajun, Wang Qunjing, et al.Control strategy of loss distribution balancing for three-level active neutral-point-clamped inverter[J]. Transactions of China Electrotechnical Society, 2017, 32(1): 129-138.
[2] 郭小强, 贺冉, 张纯江. 高压大容量五电平逆变器共模电压抑制研究[J]. 电工技术学报, 2016, 31(3): 1-7.
Guo Xiaoqiang, He Ran, Zhang Chunjiang.Common- mode voltage reduction of high voltage high power five-level inverters[J]. Transactions of China Electro- technical Society, 2016, 31(3): 1-7.
[3] Sommer R, Mertens A, Brunotte C, et al.Medium voltage drive system with NPC three-level inverter using IGBTs[C]//IEEE Seminar PWM Medium Voltage Drives, Birmingham, UK, 2000, DOI: 10. 10491/ic:20000335.
[4] Menzies R W, Steimer P, Steinke J K.Five-level GTO inverters for large induction motor drives[J]. IEEE Transactions on Industry Applications, 1994, 30(4): 938-944.
[5] Pou J, Pindado R, Boroyevich D, et al.Limits of the neutral-point balance in back-to-back-connected three-level converters[J]. IEEE Transactions on Power Electronics, 2004, 19(3): 722-731.
[6] Xia Changliang, Gu Xin, Shi Tingna, et al.Neutral- point voltage balancing of three-level inverters in direct-driven wind energy conversion system[J]. IEEE Transactions on Energy Conversion, 2011, 26(1): 18-29.
[7] 姜卫东, 赵德勇, 胡杨, 等. 基于载波实现的二极管钳位型三电平逆变器虚拟空间矢量脉宽调制方法[J]. 电工技术学报, 2016, 31(12): 153-160.
Jiang Weidong, Zhao Deyong, Hu Yang, et al.Carrier-based virtual space vector pulse width modulation for diode clamped three-level inverter[J]. Transactions of China Electrotechnical Society, 2016, 31(12): 153-160.
[8] 余世瑶, 王琛琛, 辛宏亮, 等. 考虑三电平中点钳位型变换器中点电压波动抑制的混合调制方法[J]. 电工技术学报, 2016, 31(增刊1): 146-154.
Yu Shiyao, Wang Chenchen, Xin Hongliang, et al.Hybrid PWM strategy for neutral point voltage fluctuation suppression of three level neutral point clamped converter[J]. Transactions of China Electrotechnical Society, 2016, 31(S1): 146-154.
[9] 陈娟, 何英杰, 王新宇, 等. 三电平空间矢量与载波调制策略统一理论的研究[J]. 中国电机工程学报, 2013, 33(9): 71-78.
Chen Juan, He Yingjie, Wang Xinyu, et al.Research of the unity theory between three-level space vector and carrier-based PWM modulation strategy[J]. Proceedings of the CSEE, 2013, 33(9): 71-78.
[10] 方辉, 宋文胜, 冯晓云, 等. 三电平SVPWM与CBPWM算法的内在联系研究[J]. 中国电机工程学报, 2014, 29(10): 19-26.
Fang Hui, Song Wensheng, Feng Xiaoyun, et al.Relationship between three-level SVPWM and CBPWM[J]. Proceedings of the CSEE, 2014, 29(10): 19-26.
[11] Giri S K, Chakrabarti S, Banerjee S, et al.A carrier based PWM scheme for neutral point voltage balancing in three level inverter extending to full power factor range[J]. IEEE Transactions on Industrial Electronics, 2017, 64(3): 1873-1883.
[12] Lewicki A, Krzeminski Z, Abu-Rub H.Space-vector pulsewidth modulation for three-level NPC converter with the neutral point voltage control[J]. IEEE Transactions on Industrial Electronics, 2011, 58(11): 5076-5086.
[13] Lazhar Ben-Brahim.A discontinuous PWM method for balancing the neutral point voltage in three-level inverter-fed variable frequency drives[J]. IEEE Transactions on Energy Conversion, 2008, 23(4): 1057-1063.
[14] 安少亮, 孙向东, 陈樱娟, 等. 一种新的不连续PWM统一化实现方法[J]. 中国电机工程学报, 2012, 32(24): 59-66, 11.
An Shaoliang, Sun Xiangdong, Chen Yinjuan, et al.A new generalized implementation method of discontinuous PWM[J]. Proceedings of the CSEE, 2012, 32(24): 59-66, 11.
[15] Jiang W, Du S, Chang L, et al.Hybrid PWM strategy of SVPWM and VSVPWM for NPC three-level voltage-source inverter[J]. IEEE Transactions on Power Electronics, 2010, 25(10): 2607-2619.
[16] Monge S B, Bordonau J, Boroyevich D, et al.The nearest three virtual space vector PWM-a modulation for the comprehensive neutral-point balancing in the three-level NPC inverter[J]. IEEE Power Electronics Letters, 2004, 2(1): 11-15.
[17] Xia Changliang, Shao Hongjun, Zhang Yun, et al.Adjustable proportional hybrid SVPWM strategy for neutral- point-clamped three-level inverters[J]. IEEE Transactions on Industrial Electronics, 2013, 60(10): 4234-4242.
[18] Monge S B, Josep B, Rocabert J.A virtual-vector pulse width modulation for the four-level diode- clamped DC-AC converter[J]. IEEE Transactions on Power Electronics, 2008, 23(4): 1964-1972.
[19] Monge S B, Alepuz S, Rocabert J, et al.Pulsewidth modulations for the comprehensive capacitor voltage balance of n-level three-leg diode-clamped con- verters[J]. IEEE Transactions on Power Electronics, 2009, 24(5): 1364-1375.
[20] Monge S B, Maheshwari R K, Nielsen S M.Overmodulation of n-level three-leg DC-AC diode- clamped converters with comprehensive capacitor voltage balance[J]. IEEE Transactions on Industrial Electronics, 2013, 60(5): 1872-1883.
[21] Hu C, Yu X, Holmes D G, et al.An improved virtual space vector modulation scheme for three-level active neutral-point-clamped inverter[J]. IEEE Transactions on Power Electronics, 2017, 32(10): 7419-7434.
[22] Nanoty A, Chudasama A.Design of multiphase induction motor for electric ship propulsion[C]// 2011 IEEE Electric Ship Technologies Symposium, Alexandria, USA, 2011: 283-287.
[23] Duran M, Kouro S, Wu B, et al.Six phase PMSG wind energy conversion system based on medium- voltage multilevel converter[C]//2011 14th European Conference on Power Electronics and Applications, Birmingham, UK, 2011: 1-10.
[24] 高宏伟, 杨贵杰, 刘剑. 五相电压源逆变器的空间矢量脉宽调制方法研究[J]. 中国电机工程学报, 2014, 34(18): 2917-2925.
Gao Hongwei, Yang Guijie, Liu Jian.Research of space vector PWM techniques for five-phase voltage source inverter[J]. Proceedings of the CSEE, 2014, 34(18): 2917-2925.
[25] 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.
[26] 唐俊, 王铁成, 崔淑梅. 五相逆变系统的SVPWM实现方法[J]. 电工技术学报, 2013, 28(7): 64-72.
Tang Jun, Wang Tiecheng, Cui Shumei.Imple- mentation method of SVPWM for five-phase inverters[J]. Transactions of China Electrotechnical Society, 2013, 28(7): 64-72.
[27] Wu Xiang, Tan Guojun, Ye Zongbin, et al.Virtual-space-vector PWM for a three-level neutral- point-clamped inverter with unbalanced DC-links[J]. IEEE Transactions on Power Electronics, 2018, 33(3): 2630-2642.
[28] Shen Jie, Schroder S, Rosner R, et al.A com- prehensive study of neutral-point self-balancing effect in neutral-point-clamped three-level inverters[J]. IEEE Transactions on Power Electronics, 2011, 26(11): 3084-3095.
[29] Li Xiong, Akin B, Rajashekara K.Vector-based dead-time compensation for three-level T-type con- verters[J]. IEEE Transactions on Industry Appli- cations, 2016, 52(2): 1597-1607.
[30] Zhou Dongsheng, Rouaud D G.Dead-time effect and compensations of three-level neutral point clamp inverters for high-performance drive applications[J]. IEEE Transactions on Power Electronics, 1999, 14(4): 782-788.
[31] Liu Peng, Duan Shanxu, Yao Chuan, et al.A double modulation wave CBPWM strategy providing neutral-point voltage oscillation elimination and CMV reduction for three-level NPC inverters[J]. IEEE Transactions on Industrial Electronics, 2018, 65(1): 16-26.
[32] Charumit, Kinnares V.Discontinuous SVPWM techniques of three-leg VSI-fed balanced two-phase loads for reduced switching losses and current ripple[J]. IEEE Transactions on Power Electronics, 2015, 30(4): 2191-2204.