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This paper describes a novel power control scheme for a three-phase to single-phase matrix converter for a gas engine cogeneration system. This matrix converter has no dc link but a small capacitor for compensation of single-phase power pulsation. The capacitor also contributes to compensate reactive current of a generator. Additionally, modulation control of instantaneous three-phase power is applied...
This paper presents a new modulation strategy for capacitor voltage balancing in three-level neutral-point-clamped inverters by applying the matrix converter theory to eliminate the low frequency oscillation of the neutralpoint voltage and current. The proposed modulation method controls the neutral-point current without affecting the averaged output voltage and current. The behavior of the new modulation...
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