Transfer function based input impedance determination of triple active bridge converter

Yang, Jiajun and Buticchi, Giampaolo and Gu, Chunyang and Gunter, Sandro and Yan, Hao and Wheeler, Pat (2019) Transfer function based input impedance determination of triple active bridge converter. In: 45th Annual Conference of the IEEE Industrial Electronics Society, 14 October 2019 through 17 October 2019, Lisbon Congress CenterLisbon; Portugal.

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Abstract

The concept of multiport dc-dc converter was proposed to reduce the conversion stages of dc microgrid on more electric aircraft (MEA). The structure of multiport dc-dc converter is basically developed from the dual active bridge (DAB) converter because of its galvanic isolation and bidirectional power flow. A power electronics converter as a key element of the electrical power distribution system may cause stability issues. To address these challenges, the impedance characteristic of the multiport converter will be analyzed. In this paper, a transfer function based small signal model is developed and validated with a switching model, to figure out the characteristic of input impedance of triple active bridge (TAB) converter. Preliminary experimental results are presented to be as a support.

Item Type: Conference or Workshop Item (Paper)
Keywords: dc-dc converter, input impedance, multiport, more electric aircraft.
Schools/Departments: University of Nottingham Ningbo China > Faculty of Science and Engineering > Department of Electrical and Electronic Engineering
Identification Number: https://doi.org/10.1109/IECON.2019.8926943
Depositing User: Zhou, Elsie
Date Deposited: 21 May 2020 06:41
Last Modified: 21 May 2020 06:43
URI: http://eprints.nottingham.ac.uk/id/eprint/60645

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