Abstract
A prototype IGBT-based matrix converter supplying an induction motor was constructed in the lab. When the indirect space vector modulation on the matrix converter is implemented, it is found that the real voltage transfer ratio is lower than the expected one. In order to enhance the voltage transfer ratio, an adaptive modulation rate regulation method is proposed. The voltage transfer ratio can be enhanced by 9.75% using the proposed method. The disadvantage of the proposed method is also analyzed. The applicable load types are also given. Simulation results verify the theoretical analysis. More experiments results will be presented in the near future.
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