Enhanced Voltage Balancing Algorithm and Implementation of a Single-Phase Modular Multilevel Converter for Power Electronics Applications

Obiora, Valentine; Zhou, Wenzhi; Jamal, Wissam; Saha, Chitta; Faramehr, Soroush; Igic, Petar

Enhanced Voltage Balancing Algorithm and Implementation of a Single-Phase Modular Multilevel Converter for Power Electronics Applications

Obiora, Valentine and Zhou, Wenzhi and Jamal, Wissam and Saha, Chitta and Faramehr, Soroush and Igic, Petar (2025) Enhanced Voltage Balancing Algorithm and Implementation of a Single-Phase Modular Multilevel Converter for Power Electronics Applications. Machines, 13 (10). p. 955. ISSN 2075-1702

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Abstract

This paper presents an innovative primary control strategy for a modular multilevel converter aimed at enhancing reliability and dynamic performance for power electronics applications. The proposed method utilises interactive modelling tools, including MATLAB Simulink (2022b) for algorithm design and Typhoon HIL (2023.2) for real-time validation. The circuit design and component analysis were carried out using Proteus Design Suite (v8.17) and LTSpice (v17) to optimise the hardware implementation. A power hardware-in-the-loop experimental test setup was built to demonstrate the robustness and adaptability of the control algorithm under fixed load conditions. The simulation results were compared and verified against the experimental data. Additionally, the proposed control strategy was successfully validated through experiments, demonstrating its effectiveness in simplifying control development through efficient co-simulation.

Item Type:	Article
Identification Number:	10.3390/machines13100955
Dates:	Date Event 13 October 2025 Accepted 16 October 2025 Published Online
Uncontrolled Keywords:	capacitor voltage balancing, hardware-in-the-loop simulation, modular multilevel converters, pulse width modulation, typhoon
Subjects:	CAH10 - engineering and technology > CAH10-01 - engineering > CAH10-01-01 - engineering (non-specific)
Divisions:	Architecture, Built Environment, Computing and Engineering > Engineering
Depositing User:	Gemma Tonks
Date Deposited:	28 Nov 2025 14:07
Last Modified:	28 Nov 2025 14:07
URI:	https://www.open-access.bcu.ac.uk/id/eprint/16738