Improved commutation strategy for bidirectional converter based on matrix converter

被引:0
作者
Liu, Zhao [1 ]
Ye, Shuguang [2 ]
Zhang, Qian [2 ]
Deng, Haibo [2 ]
Li, Linwen [2 ]
Dai, Zhuoqiang [3 ]
机构
[1] Nanjing Research Institute of Electronics Technology, Nanjing,210039, China
[2] Jiangsu King Source Electric Power Technology Co., Ltd., Nanjing,210018, China
[3] Wujing Thermal Power Plant of Shanghai Power Company, Shanghai,200241, China
来源
Dianli Zidonghua Shebei/Electric Power Automation Equipment | 2015年 / 35卷 / 03期
关键词
D O I
10.16081/j.issn.1006-6047.2015.03.017
中图分类号
TM [电工技术];
学科分类号
0808 ;
摘要
The current-voltage one-step commutation strategy for bidirectional converter based on matrix converter is researched. The existing problems of current-voltage one-step commutation are analyzed and it is pointed out that, the inaccurate judgment of input relative voltage will distort the input current waveform. An improved commutation strategy based on two-step commutation within intermediate interval is proposed, which sets an intermediate interval with appropriate width when the input voltages are similar and adopts the two-step commutation within the interval while keeps the one-step commutation outside the interval, effectively avoiding the voltage sector judgment error. The effectiveness and correctness of the proposed commutation strategy are verified by simulation and experiment, which shows that, the voltage space sector is accurately determined and the input current waveform is improved. ©, 2015, Electric Power Automation Equipment Press. All right reserved.
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页码:108 / 113
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