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Active DC-link capacitor harmonic current reduction in two-level back-to-back converter

Shen, Lei; Bozhko, Serhiy; Asher, Greg; Patel, Chintanbai; Wheeler, Patrick

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Authors

Lei Shen

Greg Asher

Chintanbai Patel



Abstract

The paper proposes a method of active switching harmonics current reduction in the DC-link capacitor of a two-level, three-phase, back-to-back converter. Based on the derived analytical solution for switching harmonic currents in the DC-link, it is shown that by specific control over the PWM carriers’ phase angles, the targeted harmonics of the rectifier and the inverter can be synchronized in phase such that their cancellation occurs in the DC-link capacitor. This synchronization is provided by harmonic phase feedback control. The three step procedure to implement the method is detailed in the paper. The effectiveness of the proposed approach is verified experimentally.

Citation

Shen, L., Bozhko, S., Asher, G., Patel, C., & Wheeler, P. (2015). Active DC-link capacitor harmonic current reduction in two-level back-to-back converter. IEEE Transactions on Power Electronics, 31(10), https://doi.org/10.1109/TPEL.2015.2511304

Journal Article Type Article
Acceptance Date Dec 13, 2015
Publication Date Dec 22, 2015
Deposit Date Jun 21, 2016
Publicly Available Date Jun 21, 2016
Journal IEEE Transactions on Power Electronics
Print ISSN 0885-8993
Electronic ISSN 1941-0107
Publisher Institute of Electrical and Electronics Engineers
Peer Reviewed Peer Reviewed
Volume 31
Issue 10
DOI https://doi.org/10.1109/TPEL.2015.2511304
Keywords Converters, AC-DC Power Conversion, Capacitors, Control, Harmonic Distortion, Switching Functions, Power Quality, Pulse-Width Modulation, Testing
Public URL https://nottingham-repository.worktribe.com/output/768861
Publisher URL http://ieeexplore.ieee.org/xpl/abstractAuthors.jsp?arnumber=7362206
Additional Information c2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.
Contract Date Jun 21, 2016

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