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Simulation Research on Matrix Converter in Variable Speed Constant Frequency Wind Power Generation System

Haitao Wu

Abstract

Two-Stage Matrix Converter(TSMC) is a kind of new matrix converter developed on the basis of the conventional nine-switch matrix converter,by virtue of its advantages,more suitable for serving as the exciter of variable speed constant frequency doubly-fed wind power generation system.The topology structure and principle of TSMC are analysed,and taking accordingly the PWM space vector modulation and zero current commutation to research its features.A simulation mo-del based on Matlab/Simulink is built for the TSMC,and the simulation confirmed the feasibility and validity of control scheme.

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Key concepts: Exciter, Space vector modulation, Pulse-width modulation, Commutation, Control theory (sociology), MATLAB, Topology (electrical circuits), Matrix (chemical analysis)