This paper has researched the vector modulation strategy of three-phase to single-phase matrix converter (3-1 MC) with an active power decoupling capacitor, and focused on asymmetric two-phase current vector modulation of 3-1 MC's virtual inverter. Each work state of 3-1 MC during a switching period is obtained based on the analysis of 3-1 MC's voltage sectors, current sectors and the input current signal at unit power factor. The input power keep constant after active power decoupling, therefore the high pow…
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