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On Fixed-Speed WT Generator Modeling for Rotor Speed Stability Studies

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Feb 2012 Spain Publisher:Institute of Electrical and Electronics Engineers (IEEE)Journal:IEEE Transactions on Power Systems, volume 27, pages 397-406 (issn: 0885-8950, eissn: 1558-0679,

Authors: Pedra Durán, Joaquim; Córcoles López, Felipe; Monjo Mur, Lluís; Bogarra Rodríguez, Santiago; Rolán Blanco, Alejandro;

doi: 10.1109/tpwrs.2011.2161779

handle: 2117/14732

On Fixed-Speed WT Generator Modeling for Rotor Speed Stability Studies

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Abstract

This paper analyzes fixed-speed induction generator modeling oriented to rotor speed stability studies. The single- and double-cage models are compared. The effects of symmetrical voltage sags on generator behavior are studied in detail. The rotor speed stability of the turbine is also examined and rotor speed recovery time is proposed as an indicator of system stability. Significant differences in the results obtained for both models were found, e.g., the double-cage model shows better speed and voltage stability. For some generator designs, the single-cage model can lead to erroneous stability predictions because manufacturer data of such designs can only be fulfilled with a double-cage model. The use of the latter to simulate fixed-speed wind turbines with this type of designs is therefore strongly recommended. The simulations were carried out using PSpice and PSCAD/EMTDC.

Country

Spain

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Keywords

Symmetrical faults, Energia eòlica, Rotor speed stability, Fixed-speed wind turbine, Double-cage model, Turbines, :Enginyeria electrònica::Circuits electrònics [Àrees temàtiques de la UPC], Àrees temàtiques de la UPC::Energies::Energia eòlica, Variable speed generators, Wind turbines, Àrees temàtiques de la UPC::Enginyeria electrònica::Circuits electrònics, :Energies::Energia eòlica [Àrees temàtiques de la UPC], Single-cage model, Induction generator

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	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Top 10%
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Top 10%