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Current Ripple Minimisation Based on Phase-Shedding of DC-DC Interleaved Converters for EV Charging System

Lookup NU author(s): Dr Mohammed AlharbiORCiD, Dr Mohamed Dahidah, Dr Saleh AliORCiD, Dr Salaheddine Ethni, Professor Volker Pickert



This is the authors' accepted manuscript of a conference proceedings (inc. abstract) that has been published in its final definitive form by IEEE, 2019.

For re-use rights please refer to the publisher's terms and conditions.


This paper introduces a control scheme to improve efficiency as well as both the input and output current ripples of multiphase interleaved buck converter (IBC), which is suitable for applications that require a wide range of output voltage. The number of phases is dynamically changed throughout the entire range of the output voltage in order to obtain the optimum efficiency and the lowest output ripple possible. The paper demonstrates the proposed approach on a single converter of a fast DC charger module which usually consists of multiple converters connected in input-parallel output parallel (IPOP) configuration. Simulation results show that the proposed technique significantly reduces the output current ripple when compared with the conventional phase-shedding technique while maintaining satisfactory high efficiency across the entire range of the output voltage.

Publication metadata

Author(s): Alharbi M, Dahidah M, Ali S, Ethni S, Pickert V

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: IECON 2019 45th Annual Conference of the IEEE Industrial Electronics Society

Year of Conference: 2019

Online publication date: 09/12/2019

Acceptance date: 14/10/2019

Date deposited: 08/07/2019

Publisher: IEEE


DOI: 10.1109/IECON.2019.8926959