Integrated power control analysis of DFIG wind turbines considering structural flexibility

Chen, Qiongzhong; Bruls, Olivier

doi:10.1115/DETC2011-48253

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Integrated power control analysis of DFIG wind turbines considering structural flexibility

Chen, Qiongzhong; Bruls, Olivier

2011 • In Proceedings of the ASME 2011 International Design Engineering Technical Conference & Computers and Information in Engineering Conference IDETC/CIE 2011

Peer reviewed

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https://hdl.handle.net/2268/120040

DOI
10.1115/DETC2011-48253

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Keywords :

DFIG; power control; structural flexibility

Abstract :

[en] 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.

Disciplines :

Mechanical engineering

Author, co-author :

Chen, Qiongzhong ; Université de Liège - ULiège > Département d'aérospatiale et mécanique > Laboratoire des Systèmes Multicorps et Mécatroniques

Bruls, Olivier ; Université de Liège - ULiège > Département d'aérospatiale et mécanique > Laboratoire des Systèmes Multicorps et Mécatroniques

Language :

English

Title :

Integrated power control analysis of DFIG wind turbines considering structural flexibility

Publication date :

August 2011

Event name :

ASME 2011 International Design Engineering Technical Conference & Computers and Information in Engineering Conference IDETC/CIE 2011

Event organizer :

ASME

Event place :

Washington DC, United States

Event date :

August 29-31, 2011

Audience :

International

Main work title :

Proceedings of the ASME 2011 International Design Engineering Technical Conference & Computers and Information in Engineering Conference IDETC/CIE 2011

Peer reviewed :

Peer reviewed

Available on ORBi :

since 07 May 2012

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Bibliography

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