Journal
JOURNAL OF POWER SOURCES
Volume 280, Issue -, Pages 410-421Publisher
ELSEVIER
DOI: 10.1016/j.jpowsour.2015.01.117
Keywords
Electric vehicles; Energy management systems; Control systems; Frequency separation; Real-time simulation
Funding
- ADEME (French Environment and Energy Management Agency) [PRODEM 08.02640]
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This paper deals with an adaptive frequency-based power sharing method between batteries and ultracapacitors (UC) as power sources within an electric vehicle. An adaptive frequency splitter is used for routing the low-frequency content of power demand into the battery and its high-frequency content into the UC system, taking profit from the UC as a peak power unit. Autonomy may thus be increased while preserving battery state of health and ensuring that UC voltage variations remain confined within certain desired range. Results obtained by real-time experiments on a dedicated test rig validate the proposed energy management approach and recommend it to be applied as power source coordination method to microgrids in general. (C) 2015 Elsevier B.V. All rights reserved.
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