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2023 | OriginalPaper | Chapter

Design and Control of a Synchronous Interleaved Boost ConverterBased on GaN FETs for PEM Fuel Cell Applications

Authors : Elie Togni, Fabien Harel, Frédéric Gustin, Daniel Hissel

Published in: ELECTRIMACS 2022

Publisher: Springer International Publishing

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Abstract

This paper shares some solutions in order to implement a state-of-the-art synchronous Interleaved Boost Converter (IBC), based on gallium nitride (GaN) power transistors. The solutions discussed have been implemented and validated on a synchronous 4-phase IBC (IBC4) prototype operating at a switching frequency of 250 kHz, specially designed to control the electric power delivered by a Proton Exchange Membrane (PEM) fuel cell module to a lithium battery pack. This paper focuses on digital control, such as PWM signal generation and the MCU requirements to reach high switching frequencies. It also discusses the issues related to the propagation delay of the sensors used and how to address them. The high switching frequency enabled by GaN transistors, combined with this DC/DC converter architecture and its phase-shifted control strategy, might heavily strain the load of the single MCU embedded. The real-time management of the different control loops is therefore exposed.

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Literature
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go back to reference A. Lidow, “GaN as a displacement technology for silicon in power management,” in 2011 IEEE Energy Conversion Congress and Exposition, Sep. 2011, pp. 1–6, doi: 10.1109/ECCE.2011.6063741. A. Lidow, “GaN as a displacement technology for silicon in power management,” in 2011 IEEE Energy Conversion Congress and Exposition, Sep. 2011, pp. 1–6, doi: 10.1109/ECCE.2011.6063741.
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go back to reference A. Lidow, M. De Rooij, J. Strydom, D. Reusch, and J. Glaser, GaN transistors for efficient power conversion, Third edition. Hoboken, NJ: Wiley, 2020. A. Lidow, M. De Rooij, J. Strydom, D. Reusch, and J. Glaser, GaN transistors for efficient power conversion, Third edition. Hoboken, NJ: Wiley, 2020.
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7.
go back to reference M. Kim, M. Shin, S. Choi, K. Bae, C. Won, and Y. Jung, “Reverse current control method of synchronous boost converter for fuel cell using a mode boundary detector,” in 2014 IEEE International Conference on Industrial Technology (ICIT), Busan, South Korea, Feb. 2014, pp. 359–364. doi: https://doi.org/10.1109/ICIT.2014.6894869. M. Kim, M. Shin, S. Choi, K. Bae, C. Won, and Y. Jung, “Reverse current control method of synchronous boost converter for fuel cell using a mode boundary detector,” in 2014 IEEE International Conference on Industrial Technology (ICIT), Busan, South Korea, Feb. 2014, pp. 359–364. doi: https://​doi.​org/​10.​1109/​ICIT.​2014.​6894869.
Metadata
Title
Design and Control of a Synchronous Interleaved Boost ConverterBased on GaN FETs for PEM Fuel Cell Applications
Authors
Elie Togni
Fabien Harel
Frédéric Gustin
Daniel Hissel
Copyright Year
2023
DOI
https://doi.org/10.1007/978-3-031-24837-5_20