Doubly-fed induction generators (DFIGs) are commonly used in variable-speed wind turbines for more power extraction. Unlike previous research on DFIG wind turbines, which typically uses an equivalent lumped mass model of the drive train dynamics, but does not include detailed aerodynamic/mechanical representations, this paper investigates on the modelling and control of DFIG wind turbines by following a systematic approach based on a flexible multibody simulation software. The wind turbine structure, generator and control subsystem models are modularly developed for the S4WT package (Samcef for Wind Turbines), which is a user interface for the analysis of wind turbines. An extension of the finite element method is available in the flexible multibody dynamics solver, for the representation of the non-mechanical components, i.e., the generator and the control system, so that the coupled mechatronic system is simulated in a strongly coupled way. This integrated approach is less intricate and more robust than approaches based on an external DLL or co-simulation methods. The objective of this work is to analyze the control-generator-structure interactions in a wind turbine system. The power optimization control is elaborated in detail. A 2MW DFIG wind turbine prototype model is presented for validation. Dynamic analysis including the control effects and the influence of the structural flexibility is provided in an overall range.
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ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
August 28–31, 2011
Washington, DC, USA
Conference Sponsors:
- Design Engineering Division and Computers and Information in Engineering Division
ISBN:
978-0-7918-5481-5
PROCEEDINGS PAPER
Integrated Power Control Analysis of DFIG Wind Turbines Considering Structural Flexibility Available to Purchase
Qiong-zhong Chen,
Qiong-zhong Chen
University of Lie`ge, Lie`ge, Belgium
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Olivier Bru¨ls
Olivier Bru¨ls
University of Lie`ge, Lie`ge, Belgium
Search for other works by this author on:
Qiong-zhong Chen
University of Lie`ge, Lie`ge, Belgium
Olivier Bru¨ls
University of Lie`ge, Lie`ge, Belgium
Paper No:
DETC2011-48253, pp. 1033-1040; 8 pages
Published Online:
June 12, 2012
Citation
Chen, Q, & Bru¨ls, O. "Integrated Power Control Analysis of DFIG Wind Turbines Considering Structural Flexibility." Proceedings of the ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 4: 8th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, Parts A and B. Washington, DC, USA. August 28–31, 2011. pp. 1033-1040. ASME. https://doi.org/10.1115/DETC2011-48253
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