Abstract
This paper presents a new topology for a 3-φ, three step multilevel inverter (MLI) with Common Mode Voltage (CMV) elimination. The proposed MLI structure is realized with fewer switching power devices compared to the conventional MLI solutions for CMV elimination. Reduced number of switching power semiconductors results in a smaller amount of driver circuits, less installation space and low cost. Further, due to the elimination of CMV, the proposed MLI is free from issues like EMI and leakage current. Presented topology is compared with other topologies to prove its superiority. Simulation results are presented to confirm the capability of the proposed MLI.
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