T-Type Based Cascaded H-bridge Converter Operating as a Split AC Battery and Modified State-of-Charging Hierarchical Balancing Method

Eskandari, Reyhaneh; Venugopal, Prasanth; Watson, Alan; Wheeler, Pat; Soeiro, Thiago Batista

Abstract

This work focuses on the so-called split batteries and proposes the T-type cascaded H-bridge circuit, as a suitable candidate for this application. Furthermore, state-of-charge (SoC) balancing between the battery modules is done by a hierarchical algorithm without requiring any ancillary balancing hardware. To minimize the number of switches in the conduction path and to increase efficiency, the conventional hierarchical algorithm is modified for the T-type based cascaded H-bridge. Finally, a simulation in MATLAB Simulink is performed to verify the feasibility of the proposed AC battery and both conventional and modified balancing algorithms.

Citation

Eskandari, R., Venugopal, P., Watson, A., Wheeler, P., & Soeiro, T. B. (2023, November). T-Type Based Cascaded H-bridge Converter Operating as a Split AC Battery and Modified State-of-Charging Hierarchical Balancing Method. Presented at COBEP 2023 - 17th Brazilian Power Electronics Conference and SPEC 2023 - 8th IEEE Southern Power Electronics Conference, Proceedings, Florianopolis, Brazil

• Presentation Conference Type: Edited Proceedings
• Conference Name: COBEP 2023 - 17th Brazilian Power Electronics Conference and SPEC 2023 - 8th IEEE Southern Power Electronics Conference, Proceedings
• Start Date: Nov 26, 2023
• End Date: Nov 29, 2023
• Acceptance Date: Nov 26, 2023
• Online Publication Date: Feb 1, 2024
• Publication Date: Nov 26, 2023
• Deposit Date: Jun 14, 2024
• Publisher: Institute of Electrical and Electronics Engineers
• Peer Reviewed: Peer Reviewed
• Pages: 1091-1096
• Book Title: 2023 IEEE 8th Southern Power Electronics Conference and 17th Brazilian Power Electronics Conference (SPEC/COBEP)
• ISBN: 979-8-3503-2113-5
• DOI: https://doi.org/10.1109/SPEC56436.2023.10407340
• Public URL: https://nottingham-repository.worktribe.com/output/31435445
• Publisher URL: https://ieeexplore.ieee.org/document/10407340