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Abstract
A new fifteen-level stepped DC to AC hybrid converter is proposed for Solar Photovoltaic (SPV) applications. A boost chopper circuit is designed and interfaced with the fifteen-level hybrid converters specific to Electric Vehicles’ Brushless DC Motor (BLDC) drive systems. In chopper units, the output of solar panels is regulated and stepped up to obtain the nominal output voltage. In the stepped DC-link hybrid converter configuration, fifteen-level DC-link voltage is achieved by the series-operated DC-link modules with reduced electrical energy compression. From the comprehensive structure, it is anecdotal that the proposed topology has achieved minimum switching and power loss. Elimination of end passive components highlights the merits of the proposed hybrid systems. The reduction of controlled power semiconductor switches and gate-firing circuits has made the system more reliable than other hybrid converters. From the extensive analysis, the experimental setup has reported that 7% reduction in harmonics and a 54% reduction in controlled power switches than the existing fifteen-level converter topologies. Mitigation of power quality issues in the voltage profile of a fifteen-level multilevel hybrid converter is achieved through the implementation of dsPIC digital-controller-based gate triggering circuits.
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1 Mahendra Engineering College, Department of Electrical and Electronics Engineering, Namakkal, India (GRID:grid.252262.3) (ISNI:0000 0001 0613 6919)
2 Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology, Department of Electronics and Communication Engineering, Avadi, India (GRID:grid.464713.3) (ISNI:0000 0004 1777 5670)
3 Samarkand State University, Samarkand, Uzbekistan (GRID:grid.77443.33) (ISNI:0000 0001 0942 5708)
4 Chonnam National University, Gwangju, South Korea (GRID:grid.14005.30) (ISNI:0000 0001 0356 9399)
5 Thapar Institute of Engineering and Technology, Department of Computer Science and Engineering, Patiala, India (GRID:grid.412436.6) (ISNI:0000 0004 0500 6866)
6 Babu Banarasi Das University, Department of Computer Applications, Lucknow, India (GRID:grid.449283.0) (ISNI:0000 0004 1779 9293)
7 Shri Vishwakarma Skill University, Skill Faculty of Engineering and Technology, Palwal, India (GRID:grid.512245.5) (ISNI:0000 0005 0281 2405)
8 Chitkara University Institute of Engineering and Technology, Chitkara University, Rajpura, India (GRID:grid.428245.d) (ISNI:0000 0004 1765 3753)
9 Bahir Dar Institute of Technology, Bahir Dar University, Faculty of Electrical and Computer Engineering, Bahir Dar, Ethiopia (GRID:grid.442845.b) (ISNI:0000 0004 0439 5951)