A 250W/30A fast charger for ultracapacitors with direct mains connection


Bodnar, Rares and Redman-White, William (2011) A 250W/30A fast charger for ultracapacitors with direct mains connection. In, 2011 20th European Conference on Circuit Theory and Design (ECCTD), Linkoping, SW, 29 - 31 Aug 2011. , 813-816. (doi:10.1109/ECCTD.2011.6043835).

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Description/Abstract

This paper presents a fast and compact charger architecture for ultracapacitors with direct connection to 230V AC mains supply. The charger delivers a DC output current which allows compensation for inductive and other non-ideal behaviour in the EDLC at medium and high frequencies. The internal converter uses self oscillating control circuits which provide a variable switching frequency over a broad range. This allows the circuit to adapt to the variation of the output voltage (0-16.2V) and fluctuations of the mains network, thereby minimizing losses over the whole operating envelope.

Item Type: Conference or Workshop Item (Paper)
Additional Information: E-ISBN 978-1-4577-0616-5; Print ISBN 978-1-4577-0617-2
Keywords: edlc, charger, mains network, ultracapacitor
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Physical and Applied Science > Electronics and Computer Science > NANO
Item ID: 337755
Date Deposited: 02 May 2012 13:26
Last Modified: 23 Jul 2012 11:25
Contributors: Bodnar, Rares (Author)
Redman-White, William (Author)
Date: 29 August 2011
Additional Information: E-ISBN 978-1-4577-0616-5; Print ISBN 978-1-4577-0617-2
Status: Unpublished
Further Information:Google Scholar
URI: http://eprints.soton.ac.uk/id/eprint/337755

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