Development and Evaluation of a Degree of Hybridisation Identification Strategy for a Fuel Cell Supercapacitor Hybrid Bus

Wei Wu, Julius Partridge and Richard Bucknall
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Wei Wu: Department of Mechanical Engineering, University College London, London WC1E 7JE, UK
Julius Partridge: Department of Mechanical Engineering, University College London, London WC1E 7JE, UK
Richard Bucknall: Department of Mechanical Engineering, University College London, London WC1E 7JE, UK

Energies, 2019, vol. 12, issue 1, 1-18

Abstract: Fuel cells (FC) are a clean energy source that are capable of powering a vehicle’s electrical energy requirements whilst providing zero operating emissions. In this study, a full-scaled computer model FC/supercapacitor (SC) hybrid has been developed to investigate the performance of the hybrid propulsion system under real-world performance conditions. A control strategy focused on maintaining a constant FC output at a user-defined value has been developed and applied to the FC/SC hybrid model. Driving cycles collected from a practical double-decker bus have been utilised to evaluate the developed model. It has been demonstrated that the proposed control strategy is capable of maintaining a constant and stable FC output while meeting a real world dynamic load. Based on the obtained results, a general strategy to identify the degree of hybridisation between the FC and the SC in a FC hybrid system has been developed and demonstrated.

Keywords: proton exchange membrane fuel cell; super capacitor; hybrid propulsion; energy management; Simulink (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (6)

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