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Dual-buck arbitrary voltage divider with one output having reduced ripples

Ming, Wenlong, Zhong, Qing-Chang, Yang, Peng and Liang, Jun 2018. Dual-buck arbitrary voltage divider with one output having reduced ripples. Presented at: IECON 2018 44th Annual Conference of the IEEE Industrial Electronics Society, Washington D.C., USA, 21-23 October 2018. IECON 2018 - 44th Annual Conference of the IEEE Industrial Electronics Society. IEEE, pp. 3621-3626. 10.1109/IECON.2018.8591447

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Abstract

In this paper, a dual-buck voltage divider is further studied to provide two arbitrary, instead of balanced, voltage outputs. The two voltage outputs can be the same or different and are robust against parameter drift. The low-frequency ripples in one output are significantly reduced by actively diverting low-frequency ripple currents away from the corresponding output. Note that these are achieved by designing an advanced controller, without changing the topology. The controller consists of a PI controller to split the voltage, a repetitive controller and a resonant controller to deal with the low-frequency ripples at different frequencies. Experimental results are presented to validate the effectiveness of the proposed strategy.

Item Type: Conference or Workshop Item (Paper)
Date Type: Published Online
Status: Published
Schools: Engineering
Publisher: IEEE
ISBN: 9781509066841
Date of First Compliant Deposit: 3 June 2020
Last Modified: 04 Jun 2020 12:15
URI: http://orca.cf.ac.uk/id/eprint/132135

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