A Robust and Efficient 13-Level Common-Ground SCMLI with Sextuple Voltage Gain and Fault-Tolerant Design for Sustainable Power Applications | Zendy

Md Ashraf Ali Khan | Zendy; Yusra Wahab | Zendy; Chun-Hsin Chang | Zendy; Adil Sarwar | Zendy; Mohammad Zaid | Zendy; Hwa-Dong Liu | Zendy; Mohd Tariq | Zendy; Shafiq Ahmad | Zendy

Open Access

A Robust and Efficient 13-Level Common-Ground SCMLI with Sextuple Voltage Gain and Fault-Tolerant Design for Sustainable Power Applications

Author(s) -

Md Ashraf Ali Khan,

Yusra Wahab,

Chun-Hsin Chang,

Adil Sarwar,

Mohammad Zaid,

Hwa-Dong Liu,

Mohd Tariq,

Shafiq Ahmad

Publication year - 2025

Publication title -

ieee access

Language(s) - English

Resource type - Magazines

SCImago Journal Rank - 0.587

H-Index - 127

eISSN - 2169-3536

DOI - 10.1109/access.2025.3598460

Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation

This research paper introduces a new 13-level switched capacitor multilevel inverter (SCMLI) design that connects to a common ground, making it suitable for solar PV applications by reducing leakage current. This inverter design achieves balanced capacitor voltages and a six-times voltage boost using only 1 DC power source, 15 switches, 1 diode, and 4 capacitors. A level shifted modulation technique improves the output quality, reduces harmonic distortion, and simplifies control. Simulations in MATLAB/Simulink test the inverter’s steady and changing performance, while PLECS software evaluates energy efficiency through power loss analysis across different conditions. Experiments show that the inverter consistently produces a stable output, with balanced capacitor voltages, even without extra balancing circuits. A comparison with other 13-level inverters highlights this design’s benefits in terms of fewer components, common ground feature, higher voltage gain, and lower cost. Additionally, a reliability analysis confirms that this design is robust and ideal for renewable energy systems. Overall, this inverter offers a compact, efficient, and reliable solution for sustainable power conversion in modern energy systems.

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