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3-Phase 4-wire matrix converter-based voltage sag/ swell generator to test low-voltage ride through in wind energy conversion systems

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

Authors

Matias Diaz

Roberto Cardenas rcd@ieee.org

Felix Rojas

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JON CLARE jon.clare@nottingham.ac.uk
Professor of Power Electronics



Abstract

The high penetration of energy from wind energy conversion systems (WECSs) can have a significant influence on the stability, power quality and reliability of power systems. Therefore several countries have developed stringent grid codes in recent years in order to enhance the overall stability of power systems. In these grid codes, the capacity to fulfil low-voltage ride through (LVRT) requirements is considered an important issue for the control of WECSs. Therefore in this study, a novel voltage sag/ swell generator (VSG) based on a 4-leg matrix converter is presented. This VSG can be used to generate the symmetrical and asymmetrical faults required to test LVRT algorithms in a laboratory environment. The performance of the VSG is experimentally demonstrated and compared with the operation of other VSGs conventionally used for LVRT studies.

Citation

Diaz, M., Cardenas, R., Rojas, F., & Clare, J. C. (2014). 3-Phase 4-wire matrix converter-based voltage sag/ swell generator to test low-voltage ride through in wind energy conversion systems. IET Power Electronics, 7(12), https://doi.org/10.1049/iet-pel.2014.0065

Journal Article Type Article
Acceptance Date Jul 13, 2014
Publication Date Dec 1, 2014
Deposit Date Jun 30, 2016
Publicly Available Date Jun 30, 2016
Journal IET Power Electronics
Electronic ISSN 1755-4535
Publisher Institution of Engineering and Technology
Peer Reviewed Peer Reviewed
Volume 7
Issue 12
DOI https://doi.org/10.1049/iet-pel.2014.0065
Keywords Energy conversion; Matrix converters; Power converters; Voltage stabilizing circuits; Wind power
Laboratory environment; Low-voltage; Lowvoltage ride through (LVRT); Overall stabilities; Swell generator; Voltage sags; Wind energy conversion system; Wind-
Public URL http://eprints.nottingham.ac.uk/id/eprint/34527
Publisher URL http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6983694
Copyright Statement Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/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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