Abstract：The three-phase PWM rectifier has been widely used because it can reduce the harmonic pollution of the power grid and has a high power factor. Traditionally, it adopts two-closed-loop control method and its inner-current loop uses the PI controllers with voltage feed forward decoupling. However, needing the precise mathematical model and hard to adjust due to various PI parameters are the disadvantages of the PI control method. In order to overcome the above problems, this paper brings IMC in the inner-current loop control of PWM rectifier and the conventional PI method is replaced by internal model controller. The simulation and experimental results show that the rectifier system has a high power factor and a well sine input current, meanwhile, it can resist the changes of load and dc line voltage. Also, the inner-current loop has a good follow performance and dynamic performance.
宋文祥, 尹赟. 一种基于内模控制的三相电压型PWM整流器控制方法[J]. 电工技术学报, 2012, 27(12): 94-101.
Song Wenxiang, Yin Yun. A Control Strategy of Three-Phase PWM Rectifier Based on Internal Model Control. Transactions of China Electrotechnical Society, 2012, 27(12): 94-101.
[1] 张崇巍, 张兴. PWM整流器及其控制[M]. 北京: 机械工业出版社, 2003. [2] Lin B R, Hou Y L. Simplified control method for single-phase multilevel active rectifier with current harmonic filtering characteristics[J]. IEEE Electric Power Applications, 2001, 1(148), 85-96. [3] Guo Chaoyong, Lin Fei, You Xiaojie. Modeling and power quality enhancement to AC drives based on synchronous PI current control technology of PWM rectifier[C]. IEEE Industrial Electronics and Applications, 2008: 438-442. [4] 李谦, 李永东. 三相PWM整流器闭环控制研究[J]. 电气传动, 2007, 37(11): 18-21. Li Qian, Li Yongdong. Research on close-loop control of three phase PWM rectifier[J]. Electric Drive, 2007, 37(11): 18-21. [5] 王久和, 李华德, 王立明. 电压型PWM整流器直接功率控制系统[J]. 中国电机工程学报, 2006, 18(26): 54-60. Wang Jiuhe, Li Huade, Wang Liming. Direct power control system of three phase Boost type PWM rectifiers[J]. Proceedings of the CSEE, 2006, 18(26): 54-60. [6] 陈志辉, 严仰光. IMC控制在双凸极发电机电压调节中的应用[J]. 电工技术杂志, 2000(6): 28-29. Chen Zhihui, Yan Yangguang. Application of IMC control on voltage regulation of a doubly salient generator[J]. Electrotechnical Journal, 2000(6): 28-29. [7] Jun Liu, Mengzhi Huang, Yang Wang. Research on vector-control system of pmsm based on internal model control of current loop[C]. The Special Sessions of the 2nd International Workshop on Computer Science and Engineering, 2009: 297-301. [8] 葛宝明, 郑琼林, 蒋静坪, 等. 基于离散时间趋近率控制与内模控制的永磁同步电动机传动系统[J]. 中国电机工程学报, 2004, 11(24): 106-111. Ge Baoming, Zheng Qionglin, Jiang Jingping, et al. PM synchronous motor drives based on discrete-time reaching law and internal-model controls[J]. Proceedings of the CSEE, 2004, 11(24): 106-111. [9] 周渊深. 感应电动机交-交变频调速系统的内模控制技术[M]. 北京: 电子工业出版社, 2005. [10] 陆华才, 徐月同, 陈子辰. 基于内模控制的永磁直线同步电动机速度控制[J]. 电工技术学报, 2008, 23(5): 24-28. Lu Huacai, Xu Yuetong, Chen Zichen. Speed control of PMLSM based on internal model control[J]. Transactions of China Electrotechnical Society, 2008, 23(5): 24-28. [11] 胡寿松. 自动控制原理[M]. 4版. 北京: 科学出版社, 2001: 77-82.
2012, Vol. 27 
