Abstract
In this paper, the matrix converter (MC) as the full power converter of the direct-drive permanent magnet synchronous wind power generation system (DD-PMSG) is analyzed. The space vector modulation for the MC is deduced and calculated, respectively. And the field oriented control is used as the control strategy for the DD-PMSG. On the one hand, the simulation model of the MC fed DD-PMSG is built by MATLAB/Simulink, and the simulation on the RL load is carried out, which verifies the correctness of the theoretical analysis and the modulation method. On the other hand, the simulation results show that the MC has the advantages of good input and output waveforms, controllable amplitude and frequency, high input power factor and so on. It also shows that the MC is suitable for DD-PMSG, which provides a theoretical basis for further research.
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