Stability Analysis of a Wind Energy Conversion System Based on a Doubly Fed Induction Generator Fed by a Matrix Converter

被引:84
作者
Cardenas, Roberto [1 ]
Pena, Ruben [2 ]
Tobar, German [3 ]
Clare, Jon [4 ]
Wheeler, Patrick [4 ]
Asher, Greg [4 ]
机构
[1] Univ Santiago Chile, Dept Elect Engn, Santiago 8320000, Chile
[2] Univ Concepcion, Dept Elect Engn, Concepcion 4074580, Chile
[3] Colbun SA, Santiago 7580097, Chile
[4] Univ Nottingham, Fac Engn, Power Elect Machines & Control Grp, Nottingham NG7 2RD, England
关键词
AC-AC conversion; induction generators; wind power generation; SENSORLESS CONTROL; STRATEGIES; DESIGN;
D O I
10.1109/TIE.2009.2027923
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
In this paper, the performance of a grid-connected wind energy conversion system (WECS), based on a doubly fed induction generator (DFIG) fed by a matrix converter ( MC), is presented. The MC replaces the back-to-back converters conventionally used to control a DFIG. The MC is operated with close-to-unity power factor at the grid side. Stability issues related to the operation of the MC in the proposed WECS are discussed. A small signal model is used to investigate the dynamic performance of the two control arrangements discussed in this paper. Experimental results, obtained with a 4-kW prototype, are presented and fully discussed in this paper. The performance of the system for variable speed generation is verified using the emulation of a variable speed wind turbine implemented with a digitally controlled dc machine.
引用
收藏
页码:4194 / 4206
页数:13
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