Inductor‐Less Voltage Equalizer with Cross‐Coupled Structure. Issue 1 (26th October 2020)

• Record Type: Journal Article
• Authors: Eguchi, Kei; Do, Wanglok; Shibata, Akira
• Is Part Of: IEEJ transactions on electrical and electronic engineering. Volume 16:Issue 1(2021)
• Page Start: 164
• Page End: 166
• Publication Date: 2020-10-26
• Subjects: voltage equalizers -- inductor‐less circuits -- symmetrical structure -- lithium‐ion batteries -- series‐connected batteries; Electrical engineering -- Periodicals; Electronics -- Periodicals; 621.3
• DOI: 10.1002/tee.23279
• Languages: English
• ISSNs: 1931-4973

Abstract

Abstract : Due to the threshold voltage of diode switches, existing symmetrical voltage equalizers suffer from voltage drops across battery cells. To overcome this problem, this letter presents a novel voltage equalizer for series‐connected batteries. The proposed inductor‐less cross‐coupled topology allows the voltage of each battery cell to be balanced evenly without a threshold voltage drop, because no diode switch is required to design the proposed voltage equalizer. The effectiveness of the proposed voltage equalizer is confirmed through experiments. © 2020 Institute of Electrical Engineers of Japan. Published by Wiley Periodicals LLC.