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J4  2012, Vol. 46 Issue (7): 1339-1344    DOI: 10.3785/j.issn.1008-973X.2012.07.029
电气工程     
基于重复控制的三电平光伏逆变技术
张国月1,曲轶龙2,齐冬莲1,李冉1
1.浙江大学 电气工程学院,浙江 杭州 310027; 2. 科技部高技术中心,北京 100044
Three-level photovoltaic inverter technology based on repetitive control
ZHANG Guo-yue1, QU Yi-long2, QI Dong-lian1, LI Ran1
1. College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China; 2. HighTech Research and
Development Center, Ministry of Science and Technology, Beijing 100044, China
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摘要:

为了改善光伏发电系统的动态和静态性能,针对基于三电平空间矢量脉冲宽度调制(SVPWM)技术的二极管箝位式三电平逆变器,提出采用电压电流双闭环控制与重复控制相结合的复合控制方法,在提高输出波形质量的同时,有效地抑制周期性扰动,增强系统的稳定性.给出12 kVA 640 V DC/220 V 50 Hz AC样机设计,通过Matlab中的Simulink对系统进行仿真.实验和仿真结果均验证了该方法的有效性.

Abstract:

The method of V-I double-loop control was proposed to control the diode-clamped three-level inverter based on the technique of space vector pulse-width modulation (SVPWM) in order to enhance both of the dynamic and static performance. The method was combined with repetitive control which is beneficial for both enhancing the quality of output current and repressing periodic disturbance. The prototype of a 12 kVA 640 V DC/220V 50 Hz AC inverter was designed and developed. The results of the simulation in Matlab and the experimental result on the prototype confirm the effectiveness of the theory.

出版日期: 2012-07-01
:     
通讯作者: 齐冬莲,女,副教授.     E-mail: qidl@zju.edu.cn
作者简介: 张国月(1987-),男,硕士生,从事光伏发电及控制理论的研究.E-mail: zgytju@163.com
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引用本文:

张国月,曲轶龙,齐冬莲,李冉. 基于重复控制的三电平光伏逆变技术[J]. J4, 2012, 46(7): 1339-1344.

ZHANG Guo-yue, QU Yi-long, QI Dong-lian, LI Ran. Three-level photovoltaic inverter technology based on repetitive control. J4, 2012, 46(7): 1339-1344.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2012.07.029        http://www.zjujournals.com/eng/CN/Y2012/V46/I7/1339

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