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Traditional control method of PWM(Pulse Width Modulation) rectifier has good dynamic and steady-state performance, But when PWM Rectifier worked under unbalanced voltages, various harmony powers occurred. Quality of output voltage and input current had been affected. Analyze unbalanced voltage and current through the method of symmetrical component, and two vector-oriented control strategy based on...
Based on the switching function algorithm of the traditional matrix converter, that of matrix rectifier (MR) is derived in positive and negative phase sequence with four-quadrant capability. Afterward that of MR under unbalanced input voltage conditions is also derived by detecting and using instantaneous values of input voltages. But the gained algorithm in the case is not fully suitable for the...
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