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Stabilised control strategy for PEM fuel cell and supercapacitor propulsion system for a city bus

Wu, W; Partridge, JS; Bucknall, RWG; (2018) Stabilised control strategy for PEM fuel cell and supercapacitor propulsion system for a city bus. International Journal of Hydrogen Energy , 43 (27) pp. 12302-12313. 10.1016/j.ijhydene.2018.04.114. Green open access

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Abstract

Fuel Cell (FC) buses have been developed as a long term zero emission solution for city transportation and have reached levels of maturity to supplement the coming London 2020 Ultra low emission zone implementation. This research developed a scaled laboratory Fuel Cell/Supercapacitor hybrid drivetrain implementing DC/DC converters to maintain the common busbar voltage and control the balance of power. A novel and simple hybrid control strategy based on balancing the currents on the common busbar whilst maintaining a stable FC output has been developed. It has been demonstrated that the FC power output can be controlled at a user defined value for both steady state and transient load conditions. The proposed control strategy holds the promise of extending FC life, downsizing power systems and improving the FC operating efficiency.

Type: Article
Title: Stabilised control strategy for PEM fuel cell and supercapacitor propulsion system for a city bus
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.ijhydene.2018.04.114
Publisher version: https://doi.org/10.1016/j.ijhydene.2018.04.114
Language: English
Additional information: Copyright © 2018 The Authors. Published by Elsevier Ltd on behalf of Hydrogen Energy Publications LLC. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
Keywords: PEM Fuel Cell, SuperCapacitor, Hybrid propulsion, Energy management
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Mechanical Engineering
URI: http://discovery.ucl.ac.uk/id/eprint/10046932
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