Abstract
A new Dual T-Type 13-Level inverter topology is presented in this paper, featuring less power switches, gate drivers, and diodes, than inverters based on traditional multilevel topologies, such as Neutral Point Clamped, Flying Capacitor, T-Type and Cascaded H-Bridge, or previously proposed reduced switch count 13-level inverter topologies. Moreover, no additional circuits are required to equalize the voltage of capacitors present in each pole, nor complex modulation strategies, leading to a reduction of cost and power losses. Exploiting a Nearest Level Modulation technique, the proposed topology performs well in terms of efficiency and total harmonic distortion, as confirmed by experimental tests.
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