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Open AccessArticle

Influence of Crowbar and Chopper Protection on DFIG during Low Voltage Ride Through

1
IPC/ Instituto Superior Engenharia de Coimbra (ISEC), Instituto Superior Engenharia de Coimbra, 3030-199 Coimbra, Portugal
2
Faculdade de Engenharia da Universidade do Porto, 4200-465 Porto, Portugal
3
The Institute for Systems and Computer Engineering, Technology and Science (INESC TEC), 4200-465 Porto, Portugal
*
Author to whom correspondence should be addressed.
Energies 2018, 11(4), 885; https://doi.org/10.3390/en11040885
Received: 13 March 2018 / Revised: 4 April 2018 / Accepted: 5 April 2018 / Published: 10 April 2018
The energy sector is evolving rapidly, namely due to the increasing importance of renewable energy sources. The connection of large amounts of wind power generation poses new challenges for the dynamic voltage stability analysis of an electric power system, which has to be studied. In this paper, the traditional Doubly-Fed Induction Generator model is employed. Based on this model, a crowbar and chopper circuit is set up to protect the turbine during the short-circuit period. The EUROSTAG software package was used for the simulation studies of the system, and numerical results were obtained. Conclusions are drawn that provide a better understanding of the influence of crowbar and chopper protection on Doubly-Fed Induction Generators (DFIG), during low voltage ride through, in a system with wind power generation. View Full-Text
Keywords: chopper; crowbar; electric power systems; low voltage ride through; wind farms; wind generators chopper; crowbar; electric power systems; low voltage ride through; wind farms; wind generators
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Monteiro Pereira, R.M.; Pereira, A.J.C.; Ferreira, C.M.; Barbosa, F.P.M. Influence of Crowbar and Chopper Protection on DFIG during Low Voltage Ride Through. Energies 2018, 11, 885.

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