不平衡负载情况下基于双序dq坐标系双级矩阵变换器的闭环控制研究 精品.pdf

26 卷 19 期 中 国 电 机 工 程 学 报 Vol.26 No.19 Oct. 2006 2006 年10 月 Proceedings of the CSEE 2006 Chin.Soc.for Elec.Eng. 文章编号：0258-8013 (2006) 19-0070-06 中图分类号：TM311 文献标识码：A 学科分类号：47040 不平衡负载情况下基于双序dq坐标系双级 矩阵变换器的闭环控制研究 1 2 1 邓文浪 ， 杨欣荣 ，朱建林 1．湘潭大学信息工程学院，湖南省 湘潭市 411105； 2．中南大学信息科学与工程学院，湖南省 长沙市410083 ） Study of Closed loop Control based on Double Synchronous Rotating Frame for Two-stage Matrix Converter Under Unbalanced Load 1 2 1 DENG Wen-lang , YANG Xin-rong , ZHU Jian-lin ( 1.Institute of Information and Engineering, Xiangtan University, Xiangtan 411105, Hunan Province ,China; 2. Institute of Information Science and Engineering, Central South University, Changsha 410083, Hunan Province ,China) ABSTRACT: Unsymmetrical output voltage in two-stage 静差, 同时可以对负序分量进行完全控制,能有效快速抑制负 matrix converter (TSMC) is mainly caused by unbalanced load, 载的不平衡扰动，保证了TSMC高性能的输出电压。仿真结 which can be decomposed into positive- negative- and 果验证了所提方法的合理性和有效性。 zero-sequence components. In the paper, the representations of 关键词：双级矩阵变换器；不平衡负载；正序dq坐标系；负 output voltage components are deduced both in positive- and in 序dq坐标系；PI闭环控制 negative synchronous rotating frame (SRF), the problem of closed-loop control method based on single SRF is analyzed. A 0 引言 novel closed-loop control method based on double SRF is 同传统电力变换器相比，矩阵变换器 （