Transient analysis of variable-speed wind turbines at wind speed disturbances and a pitch control malfunction |
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| Authors: | R. Melí cio,V.M.F. Mendes,J.P.S. Catalã o |
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| Affiliation: | 1. Department of Electromechanical Engineering, University of Beira Interior, R. Fonte do Lameiro, 6201-001 Covilha, Portugal;2. Department of Electrical Engineering and Automation, Instituto Superior de Engenharia de Lisboa, R. Conselheiro Emídio Navarro, 1950-062 Lisbon, Portugal;3. Center for Innovation in Electrical and Energy Engineering, Instituto Superior Técnico, Technical University of Lisbon, Av. Rovisco Pais, 1049-001 Lisbon, Portugal |
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| Abstract: | ![]()
As wind power generation undergoes rapid growth, new technical challenges emerge: dynamic stability and power quality. The influence of wind speed disturbances and a pitch control malfunction on the quality of the energy injected into the electric grid is studied for variable-speed wind turbines with different power-electronic converter topologies. Additionally, a new control strategy is proposed for the variable-speed operation of wind turbines with permanent magnet synchronous generators. The performance of disturbance attenuation and system robustness is ascertained. Simulation results are presented and conclusions are duly drawn. |
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| Keywords: | Wind energy Power converters Transient analysis Power quality |
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