Reducing the Peak-to-average Power Ratio for Electric Vehicles using Hybrid Energy Storage Systems (HESS)

Li Sun; Nong Zhang

doi:10.3390/wevj8010196

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World Electric Vehicle Journal is published by MDPI from Volume 9 issue 1 (2018). Previous articles were published by The World Electric Vehicle Association (WEVA) and its member the European Association for e-Mobility (AVERE), the Electric Drive Transportation Association (EDTA), and the Electric Vehicle Association of Asia Pacific (EVAAP). They are hosted by MDPI on mdpi.com as a courtesy and upon agreement with AVERE.

Article

25 March 2016

Reducing the Peak-to-average Power Ratio for Electric Vehicles using Hybrid Energy Storage Systems (HESS)

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School of Electrical, Mechanical and Mechatronic Systems, University of Technology, Sydney, NSW, Australia

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World Electr. Veh. J.2016, 8(1), 196-200;https://doi.org/10.3390/wevj8010196

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Abstract

In this paper, a simple but innovative algorithm is developed to effectively reduce peak-to-average power ratio for electric vehicles powered by battery pack (BP) alone under real-life load fluctuation. A convertersupercapacitor pack (SP) coupled Hybrid Energy Storage topology upon which such algorithm is deployed is proposed to divert excess power that would otherwise damage BP into SP via power converter (PC) in a regulated fashion. Along with the algorithm itself, a simplified HESS model is also developed in Matlab to validate such algorithm and simulation results prove its effectiveness across various real-life drive cycles with significantly extended battery lifecycle.

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