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Unbalanced DC currents in parallel current source inverters cause unequal power division in the inverters, higher harmonic content at the AC load side and generally, system performance decline. In this paper, a novel Space Vector Modulation is introduced for a 5-level parallel current source inverter with DC current balance control. The method is working by synthesizing the rotating current reference...
A 5-level current source inverter (CSI) is proposed in this paper for high-power applications. The converter topology consists of two full-bridge current source inverters whose outputs are connected in parallel for a large induction motor. The two inverters are fed by two isolation transformers to the elimination of possible circulating currents. A space vector modulation scheme is developed for the...
Space vector modulation (SVM) is a preferred PWM scheme for multilevel converters mainly due to its flexibility, easy digital implementation and good harmonic profile. However, the conventional SVM scheme normally produces even-order voltage/current harmonics at the rectifier inputs. The even-order harmonic currents are strictly regulated by the harmonic guidelines such as the IEEE Standards 519-1992...
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