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A purely ultracapacitor energy storage system hybrid electric vehicles utilizing a based DC-DC boost converter

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3 Author(s)
Cegnar, E.J. ; Dept. of Electr. & Comput. Eng., Idaho Univ., Moscow, ID, USA ; Hess, H.L. ; Johnson, B.K.

The design and testing of a purely ultracapacitor energy storage system for the improvement of hybrid electric vehicles is presented. The system utilizes two large ultracapacitor banks for energy storage and a dc-dc boost converter that is capable of supplying 8 kW for voltage regulation. The system provides greater roundtrip efficiency over batteries, improves a vehicle's ability to recapture energy from regenerative braking, and is controlled and protected by a microcontroller. The paper presents design considerations, simulation, and hardware results of the system.

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Applied Power Electronics Conference and Exposition, 2004. APEC '04. Nineteenth Annual IEEE  (Volume:2 )

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