期刊
IEEE ACCESS
卷 7, 期 -, 页码 102073-102086出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/ACCESS.2019.2930720
关键词
ANDed and novel PWM techniques; switch ladder multilevel inverter; total harmonic distortion
资金
- Basic Science Research Program through the National Research Foundation of Korea under the Ministry of Education [2016R1D1A1B01008058]
- Competency Development Program for Industry Specialists of the Korean Ministry of Trade, Industry and Energy (MOTIE), Korea Institute for Advancement of Technology (KIAT), (HRD program for Industrial Convergence of Wearable Smart Devices) [P0002397]
It is difficult to make a structure of multilevel inverter for the efficient conversion of dc to ac having a smaller number of power electronic components, less switching losses, less voltage stress on switches, and a greater number of output voltage levels. To breakthrough this problem, a modification is performed in the existing H-bridge multilevel inverter to form a switch ladder modified H-bridge multilevel inverter (SLMHB-MLI). Moreover, for the minimization of maximum voltage rating on the switches and optimization of switching sequence of the multilevel inverter, a novel pulse width modulation (PWM) technique is proposed in this research. Furthermore, in SLMHB-MLI, the novel PWM technique is integrated with an ANDed PWM technique for the variation of output voltage magnitude. The usefulness of the proposed topology and PWM technique are confirmed via comparison with previous topologies simulation and experimentation, respectively.
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