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45坐标系下级联逆变器简化空间矢量调制及性能优化研究

, PP. 68-76

Keywords: 45°,坐标系,空间矢量调制,开关频率优化,共模电压

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Abstract:

研究了H桥级联型逆变器在45°坐标系下简化空间矢量调制,其扇区定位与矢量作用时间计算非常简单,并且易于向每相任意个数H桥级联型逆变器扩展。重点研究了45°坐标系中,通过对简化空间矢量调制方法的改进来实现逆变器输出性能的优化。调制方法的改进具体如下①为了减少逆变器功率器件的开关损耗,研究了开关频率优化算法,在满足逆变器同样输出要求的同时可以有效减少开关次数;②为了减少逆变器产生的共模电压,研究了抑制零序电压输出的调制算法,其可以有效减少逆变器输出电压中的共模电压,使共模电压在极小的电压范围内波动。最后,仿真与实验结果验证了本文所提方法的正确性。

References

[1]  Babaei Ebrahim, Hosseini Seyed Hossein. New cascaded multilevel inverter topology with minimum number of switches[J]. Electric Power Systems Research, 2009, 50(2009): 2761-2767.
[2]  单庆晓, 李永东, 潘盂春. 级联型逆变器的新进展[J]. 电工技术学报, 2004, 19(2): 1-9.
[3]  姜旭, 肖湘宁, 赵洋, 等. 改进的多电平SVPWM 及其广义算法研究[J]. 中国电机工程学报, 2009, 29(12): 90-95.
[4]  Jiang Xu, Xiao Xiangning, Zhao Yang, et al. An improved multilevel SVPWM and its generalized algorithm[J] Proceedings of the CSEE, 2009, 29(12): 90-95.
[5]  王立乔, 邬伟扬.错时采样空间矢量调制的级联型多电平变流器及其在并联有源电力滤波器中的应用[J]. 电工技术学报, 2006, 21(12): 90-97.
[6]  Tang Xiongmin, Gong Lizhuan, Peng Yongjin. New fast algorithm for vector control of multilevelinverter [J]. High Voltage Engineering, 2006, 32(2): 75-77.
[7]  Bo Baozhong, Su Yanmin, Ma Xueliang. Investigation on multilevel optimal space vector PWM control technique[J]. Proceedings of the CSEE, 2002, 22(2): 89-92.
[8]  马丰民, 吴正国, 张志强. 基于小开关损耗的随机脉宽调制技术[J]. 电机与控制应用, 2006, 33(11): 18-21.
[9]  Malinowski Mariusz, Gopakumar K, Rodriguez Jose, et al. A survey on cascaded multilevel inverters[J]. IEEE Transactions on Industry applications, 2010, 57(7): 2197-2204.
[10]  Shan Qingxiao, Li Yongdong, Pan Mengchun.A review on cascaded inverter[J]Transactions of China Electrotechnical Society, 2004, 19(2): 1-9.
[11]  宋平岗, 官二勇. 级联H桥逆变器空间矢量算法的简化实现[J]. 电工技术学报, 2007, 22(11): 85-90.
[12]  Song Pinggang, Guan Eryong. A general space vector algorithm for cascaded h-bridge multilevel inverters [J]. Transactions of China Electrotechnical Society, 2007, 22(11): 85-90.
[13]  Celanovic N, Boroyevich D. A fast space-vector modulation algorithmfor multilevel three-phase converters[J]. IEEE Transactions on Industry Applications, 2001, 37(2): 637-641.
[14]  Wang Liqiao, Wu Weiyang. Cascade multilevel converter based on sample time staggered space vector modulation and its application to shunt active power filter[J]. Transactions of China Electro-technical Society, 2006, 21(12): 90-97.
[15]  唐雄民, 龚理专, 彭永进. 一种快速的多电平空间矢量调制算法研究[J]. 高电压技术, 2006, 32(2): 75-77.
[16]  Rajesh Gupta, Arindam Ghosh, Avinash Joshi. Switching characterization of cascaded multilevel- inverter-controlled systems[J]. IEEE Transactions on Industry Applications, 2008, 55(3): 1047-1058.
[17]  薄保中, 苏彦民, 马学亮.多电平最优空间矢量PWM控制方法的研究[J]. 中国电机工程学报, 2002, 22(2): 89-92.
[18]  Ma Fengmin, Wu Zhengguo, Zhang Zhiqiang. Random PWM technique based on small switch losses[J]. Electric Machines&Control Application, 2006, 33(11): 18-21.
[19]  杨振宇, 赵剑锋, 倪喜军, 等. 应用相差错时采样空间矢量调制的级联型高压变频器共模电压抑制[J]. 中国电机工程学报, 2008, 28(15): 32-38.
[20]  Yang Zhenyu, Zhao Jianfeng, Ni Xijun, et al. Eliminating common-mode voltage of cascaded medium-voltage variable frequency driver with phase- difference STS-SVM [J]. Proceedings of the CSEE, 2008, 28(15): 32-38.
[21]  幸善成, 吴正国. 基于多电平随机脉宽调制技术的共模电压和谐波抑制方法[J]. 中国电机工程学报, 2006, 26(17): 57-61.
[22]  Xing Shancheng, Wu Zhengguo.Common mode voltage and harmonic reduction method based on multilevel random PWM technique[J]. Proceedings of the CSEE, 2006, 26(17): 57-61.
[23]  Brendan Peter McGrath, Donald Grahame Holmes, Thierry Meynard. Reduced PWM harmonic distortion for multilevel inverters operating over a wide modulation range [J]. IEEE Transactions on Industry Applications, 2006, 21(4): 941-949.

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