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Resonant control system for low-voltage ride-through in wind energy conversion systems

Cardenas, Roberto; Diaz, Matias; Rojas, Felix; Clare, Jon C.; Wheeler, Patrick

Authors

Roberto Cardenas rcd@ieee.org

Matias Diaz

Felix Rojas

Jon C. Clare jon.clare@nottingham.ac.uk

Patrick Wheeler pat.wheeler@nottingham.ac.uk



Abstract

Owing to the high penetration of electrical energy from wind energy conversion systems (WECSs), some countries are enforcing stringent grid codes to regulate low-voltage-ride-through (LVRT) operation of WECSs. This study presents a self-tuning resonant control (RC) system which can be used for LVRT control of the grid interface in the presence of symmetrical or asymmetrical faults. Only two RCs are required to fully control the four degrees of freedom of the converter output current. Sequence component separation is achieved using a new fast-convergence delayed signal cancellation method which is also discussed in this work. The mathematical analysis and design procedure of the control system are presented. Simulation and experimental results obtained from a 3 kW prototype are discussed in this study.

Journal Article Type Article
Publication Date May 18, 2016
Journal IET Power Electronics
Electronic ISSN 1755-4543
Publisher Institution of Engineering and Technology (IET)
Peer Reviewed Peer Reviewed
Volume 9
Issue 6
APA6 Citation Cardenas, R., Diaz, M., Rojas, F., Clare, J. C., & Wheeler, P. (2016). Resonant control system for low-voltage ride-through in wind energy conversion systems. IET Power Electronics, 9(6), doi:10.1049/iet-pel.2015.0488
DOI https://doi.org/10.1049/iet-pel.2015.0488
Keywords Control systems; Degrees of freedom (mechanics); Resonance; Tuning; Wind power
Electrical energy; Four-degrees-of-freedom; Low-voltage ride-through; Mathematical analysis; Sequence components; Signal cancellation; Wind energy conversion system; Wind-Ener
Publisher URL http://digital-library.theiet.org/content/journals/10.1049/iet-pel.2015.0488
Copyright Statement Copyright information regarding this work can be found at the following address: http://eprints.nottingh.../end_user_agreement.pdf
Additional Information This paper is a postprint of a paper submitted to and accepted for publication in IET Power Electronics and is subject to Institution of Engineering and Technology Copyright. The copy of record is available at IET Digital Library

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf





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