Modeling and simulation of three level dual active half bridge based on PI control

Yang Li; Dongsheng Zuo; Haoran Zhang

doi:10.1117/12.3024210

13 May 2024 Modeling and simulation of three level dual active half bridge based on PI control

Yang Li, Dongsheng Zuo, Haoran Zhang

Proceedings Volume 13159, Eighth International Conference on Energy System, Electricity, and Power (ESEP 2023); 131599H (2024) https://doi.org/10.1117/12.3024210
Event: Eighth International Conference on Energy System, Electricity and Power (ESEP 2023), 2023, Wuhan, China

Abstract

Three Level Dual Active Half Bridge (TL-DAHB) is a type of DC/DC converter that has a wide range of applications in electric vehicles and energy storage systems. To obtain the desired output voltage, it is essential to design and control the model appropriately. This paper proposes a method to balance the midpoint voltage using a flying capacitor firstly. Next, it analyzes the operating modes of the converter under SPS modulation in different time intervals and derives the mathematical expressions for the current stress, phase-shift duty cycle, and output voltage. Finally, it uses Simulink to model the system and implements a closed-loop voltage control with a PI controller. The simulation results verify the effectiveness and accuracy of the model.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Yang Li, Dongsheng Zuo, and Haoran Zhang "Modeling and simulation of three level dual active half bridge based on PI control", Proc. SPIE 13159, Eighth International Conference on Energy System, Electricity, and Power (ESEP 2023), 131599H (13 May 2024); https://doi.org/10.1117/12.3024210

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