Three-level DC-DC GaN-based converter with active thermal control for powertrain applications in electric vehicles

Rubén González; Christian A. Rojas; Leonardo Callegaro

doi:10.1109/ICIT46573.2021.9453595

Three-level DC-DC GaN-based converter with active thermal control for powertrain applications in electric vehicles

Rubén González, Christian A. Rojas, Leonardo Callegaro

School of Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding contribution › peer-review

5 Citations (Scopus)

19 Downloads (Pure)

Abstract

The use of electric vehicles (EVs) has grown notably in the last years and with it new challenges for power electronics have appeared. Since typically the main energy storage system in EVs consists of batteries, one of these challenges is the efficient and reliable management of power flows in charging/discharging mode. This paper presents an electrical and thermal modelling of a three-level buck-boost DC-DC converter (TLBBC) with semiconductors based on gallium nitride (GaN) technology. Also an active thermal control (ATC) scheme to mitigate the thermal stress in the semiconductor is proposed, together with control schemes for DC-link voltage and voltage balance between capacitors in the TLBBC. The TLBBC is designed to operate in a boost mode at rated power of 25 kW, using a parallel design with GaN semiconductors. Proposed control schemes are implemented using linear controllers. Finally, comprehensive simulation results confirm and validate the proposed control schemes.

Original language	English
Title of host publication	Proceedings 2021 22nd IEEE International Conference on Industrial Technology (ICIT)
Place of Publication	Piscataway, NJ
Publisher	Institute of Electrical and Electronics Engineers (IEEE)
Pages	502-507
Number of pages	6
ISBN (Electronic)	9781728157306, 9781728157290
ISBN (Print)	9781728157313
DOIs	https://doi.org/10.1109/ICIT46573.2021.9453595
Publication status	Published - 2021
Event	22nd IEEE International Conference on Industrial Technology, ICIT 2021 - Valencia, Spain Duration: 10 Mar 2021 → 12 Mar 2021

Conference

Conference	22nd IEEE International Conference on Industrial Technology, ICIT 2021
Country/Territory	Spain
City	Valencia
Period	10/03/21 → 12/03/21

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10.1109/ICIT46573.2021.9453595

Accepted author manuscriptAccepted author manuscript, 911 KBLicence: Other

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González, R., Rojas, C. A., & Callegaro, L. (2021). Three-level DC-DC GaN-based converter with active thermal control for powertrain applications in electric vehicles. In Proceedings 2021 22nd IEEE International Conference on Industrial Technology (ICIT) (pp. 502-507). Institute of Electrical and Electronics Engineers (IEEE). https://doi.org/10.1109/ICIT46573.2021.9453595

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González, R, Rojas, CA & Callegaro, L 2021, Three-level DC-DC GaN-based converter with active thermal control for powertrain applications in electric vehicles. in Proceedings 2021 22nd IEEE International Conference on Industrial Technology (ICIT). Institute of Electrical and Electronics Engineers (IEEE), Piscataway, NJ, pp. 502-507, 22nd IEEE International Conference on Industrial Technology, ICIT 2021, Valencia, Spain, 10/03/21. https://doi.org/10.1109/ICIT46573.2021.9453595

Three-level DC-DC GaN-based converter with active thermal control for powertrain applications in electric vehicles. / González, Rubén; Rojas, Christian A.; Callegaro, Leonardo.
Proceedings 2021 22nd IEEE International Conference on Industrial Technology (ICIT). Piscataway, NJ: Institute of Electrical and Electronics Engineers (IEEE), 2021. p. 502-507.

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding contribution › peer-review

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Three-level DC-DC GaN-based converter with active thermal control for powertrain applications in electric vehicles

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Mission profile-oriented active thermal control of a bidirectional three-level buck-boost GaN-based DC-DC converter for electric vehicles powertrains

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