全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用：99美元
投递稿件

查看量下载量

相关文章

更多...

基于零序注入的NPC三电平变流器中点电位反馈控制

, PP. 117-128

Keywords: 不平衡补偿,反馈控制,中点电压平衡,中点电位偏移,中点钳位型,三电平变流器,正弦脉宽调制,零序电压

Full-Text   Cite this paper   Add to My Lib

Abstract:

对NPC三电平变流器中点电位不平衡时,输出交流电压的补偿与中点电位的反馈控制问题进行了研究。提出了一种基于零序注入的NPC三电平中点电位反馈控制方法,在保证输出电压无畸变的同时还能实现中点电位的任意调节。调制策略基于SPWM原理,实现十分简单,适用于强化传统的中点电位平衡控制或需要对上下组直流电压进行分别控制的场合。文中给出了本文控制方法的中点电流控制能力,并对中点电位的低频波动问题进行了分析。仿真和实验结果验证了相关理论的正确性。

 References

[1]  Jiang Weidong, Wang Qunjing, Shi Xiaofeng, et al. Low frequency oscillation of neutral point voltage of neutral-point-clamped three-level VSI under SVPWM control[J]. Proceedings of the CSEE, 2009, 29(3): 49-55.
[2]  Yamanaka K, Hava A M, Kirino H, et al. A novel neutral point potential stabilization technique using the information of output current polarities and voltage vector[J]. IEEE Transactions on Industry Applications, 2002, 38(6): 1572-2080.
[3]  Busquets Monge S, 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.
[4]  吴洪洋, 何湘宁. 多电平载波PWM法与SVPWM法之间的本质联系及其应用[J]. 中国电机工程学报, 2002, 22(5): 10-15.
[5]  Wu Hongyang, He Xiangning. Relationship between multilevel carrier-based PWM and SVPWM and its applications[J]. Proceedings of the CSEE, 2002, 22(5): 10-15.
[6]  姚文熙, 王斯然, 刘森森, 等. 三电平空间矢量调制中的共模分量[J]. 电工技术学报, 2009, 24(4): 108-113.
[7]  姜卫东, 王群京, 陈权, 等. 二极管箝位型多电平逆变器全范围电容电压平衡的PWM调制方法[J]. 中国电机工程学报, 2009, 29(15): 28-35.
[8]  Jiang Weidong, Wang Qunjing, Chen Quan, et al. PWM algorithm for diode clamped multi-level voltage source inverter with capacitor voltage balance under full condition[J]. Proceedings of the CSEE, 2009, 29(15): 28-35.
[9]  Tian Kai, Wang Mingyan. Three-level double-group double-modulation-wave carrier-based PWM method[J]. Proceedings of the CSEE, 2010, 30(30): 55-61.
[10]  Nabae A, Takahahii I, Akagi H. A new neutral-point clamped PWM inverter [J]. IEEE Transactions on Industry Application, 1981, 17(5): 518-523.
[11]  Celanovic N, Borojevic D. A comprehensive study of neutral point voltage balancing problem in three-level neutral-point-clamped voltage source PWM inverters[J]. IEEE Transactions on Power Electronics, 2000, 15(2): 242-249.
[12]  姜卫东, 王群京, 史晓锋, 等. 中点箝位型三电平逆变器在空间矢量调制时中点电位的低频振荡[J]. 中国电机工程学报, 2009, 29(3): 49-55.
[13]  Amit K G, Ashwin M K. A simple space vector PWM scheme to operate a three-level NPC inverter at high modulation index including overmodulation region, with neutral point balancing[J]. IEEE Transactions on Industry Applications, 2007, 43(3): 751-760.
[14]  宋文祥, 陈国呈, 武慧, 等. 三电平空间矢量调制方法及其实现[J]. 中国电机工程学报, 2006, 26(12): 95-100.
[15]  Song Wenxiang, Chen Guocheng, Wu Hui, et al. A novel SVPWM strategy and its implementation considering neutral-point potential balancing for three-level NPC inverter[J]. Proceedings of the CSEE, 2006, 26(12): 95-100.
[16]  宋强, 刘文华, 严干贵, 等. 基于零序电压注入的三电平NPC逆变器中点电位平衡控制方法[J]. 中国电机工程学报, 2004, 24(5): 57-62.
[17]  Song Qiang, Liu Wenhua, Yan Gangui et al. A neutral-point potential balancing algorithm for three-level NPC inverters by using analytically injected zero-sequence voltage[J]. Proceedings of the CSEE, 2004, 24(5): 57-62.
[18]  孟永庆, 沈传文, 刘正, 等. 基于零序电压注入的三电平中点箝位整流器中点电位控制方法的研究[J]. 中国电机工程学报, 2007, 27(10): 92-97.
[19]  Meng Yongqing, Shen Chuanwen, Liu Zheng, et al. Study on neutral-point potential control method for three-level NPC rectifiers by injecting zero-sequence voltage[J]. Proceedings of the CSEE, 2007, 27(10): 92-97.
[20]  原熙博, 李永东, 王琛琛. 基于零序分量注入的三电平PWM整流器目标优化控制[J]. 电工技术学报, 2009, 24(3): 116-121.
[21]  Yuan Xibo, Li Yongdong, Wang Chenchen. Object oriented optimal control method for three-level PWM rectifier by zero-sequence voltage injection[J]. Transactions of China Electrotechnical Society, 2009, 24(3): 116-121.
[22]  McGrath B P, Holmes D G, Lipo T A. Optimized space vector switching sequences for multilevel inverters[J]. IEEE Transactions on Power Electronics, 2003, 18(6): 1293-1301.
[23]  Kanchan R S, Baiju M R, Mohapatra K K, et al. Space vector PWM signal generation for multilevel inverters using only the sampled amplitudes of reference phase voltages[J]. IEE Proceedings of Electric Power Applications, 2005, 152(2): 297-309.
[24]  宋文祥, 艾芊, 云伟俊, 等. 基于矢量分区的三电平SVPWM模式零序分量分析[J]. 电工技术学报, 2009, 24(12): 102-108.
[25]  Song Wenxiang, Ai Qian, Yun Weijun, et al. Zero-sequence signal of space vector modulation for three-level neutral-point-clamped inverter based on vector diagram partition[J]. Transactions of China Electrotechnical Society, 2009, 24(12): 102-108.
[26]  Yao Wenxi, Wang Siran, Liu Sensen, et al. Common-mode parts in SVM of three-level inverter[J]. Transactions of China Electrotechnical Society, 2009, 24(4): 108-113.
[27]  Yao Wenxi, Hu Haibing, Lv Zhengyu. Comparisons of space-vector modulation and carrier-based modulation of multilevel inverter[J]. IEEE Transactions on Power Electron, 2008, 23(1) : 45-51.
[28]  田凯, 王明彦, 刘松斌. 新颖的双调制波三电平载波脉宽调制方法[J]. 中国电机工程学报, 2009, 29(33): 54-59.
[29]  Tian Kai, Wang Mingyan, Liu Songbin. Novel double modulation wave three-level carrier-based pulse width modulation method[J]. Proceedings of the CSEE, 2009, 29(33): 54-59.
[30]  田凯, 王明彦. 三电平双组双调制波载波脉宽调制方法[J]. 中国电机工程学报, 2010, 30(30): 55-61.
[31]  Holtz J, Oikonomou N. Neutral point potential balancing algorithm at low modulation index for three-level inverter medium-voltage drives[J]. IEEE Transactions on Industry Applications, 2007, 43(3): 761-768.
[32]  Pou J, Boroyevich D, Pindado R. New feedforward space-vector PWM method to obtain balanced AC output voltages in a three-level neutral-point-clamped converter[J]. IEEE Transactions on Industrial Electronics, 2002, 49(5): 1026-1034.
[33]  姜卫东, 王群京, 李争, 等. 中点电压偏移对SVM控制的三电平逆变器的影响及补偿措施[J]. 电工技术学报, 2006, 21(9): 76-80.
[34]  Jiang Weidong, Wang Qunjing, Li Zheng, et al. Effect of neutral-point voltage unbalance of three-level inverter controlled by SVM and compensation method[J]. Tranactions of China Electrotechnical Society, 2006, 21(9): 76-80.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133