Zhong, Q.-C. and Konstantopoulos, G.C. orcid.org/0000-0003-3339-6921 (2018) Current-limiting three-phase rectifiers. IEEE Transactions on Industrial Electronics, 65 (2). pp. 957-967. ISSN 0278-0046
Abstract
In this paper, a nonlinear controller is proposed for a three-phase rectifier so that its input current does not exceed a given limit. At the same time, the proposed controller can achieve accurate dc output voltage regulation and reactive power control independently from system parameters including the load during the normal operation. Using the generic dq transformation and the nonlinear model of the rectifier, the boundedness and the current-limiting property of the closed-loop system are proven using Lyapunov methods and the input-to-state stability theory. Moreover, an analytic framework for selecting the controller parameters is presented and the current limitation is proven for both the cases with L and LCL filters at the input of the rectifier. Different from existing approaches, the current-limiting property is achieved without external limiters, monitoring devices, or switches and is incorporated in the control dynamics, independently from the type of the load (linear or nonlinear). Extensive real-time simulation results are provided to verify the effectiveness of the proposed strategy.
Metadata
Item Type: | Article |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | © 2017 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. Reproduced in accordance with the publisher's self-archiving policy. |
Keywords: | Three-phase rectifier; nonlinear control; current-limiting property; stability |
Dates: |
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Institution: | The University of Sheffield |
Academic Units: | The University of Sheffield > Faculty of Engineering (Sheffield) > Department of Automatic Control and Systems Engineering (Sheffield) |
Funding Information: | Funder Grant number ENGINEERING AND PHYSICAL SCIENCE RESEARCH COUNCIL (EPSRC) EP/J01558X/1 |
Depositing User: | Symplectic Sheffield |
Date Deposited: | 12 Apr 2017 11:22 |
Last Modified: | 04 Jul 2018 13:35 |
Published Version: | https://doi.org/10.1109/TIE.2017.2696483 |
Status: | Published |
Publisher: | Institute of Electrical and Electronics Engineers |
Refereed: | Yes |
Identification Number: | 10.1109/TIE.2017.2696483 |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:114856 |