NDLI: State-space representation of DFIG-based wind power plants

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Volume 7 (2013) : Issue 2, Mar

Volume 7 (2013) : Issue 1, Jan

IET Science, Measurement & Technology

IET Signal Processing

IET Wireless Sensor Systems

Micro & Nano Letters

The Journal of Engineering

State-space representation of DFIG-based wind power plants

Content Provider	IET Digital Library
Author	Díaz, Guzmán Morán, Cristina González Viescas, Ceferino
Abstract	This study shows a methodology for state-space representation of large wind power plants, through models that include the dynamics of the internal grid. The methodology presented fundamentally separates plant and controls at the stage of formation of the model. It is shown then that most of the plant can be built up from elementary RL branches – with special clarification about the reduction of the induction machine to an RL network – that are put together by means of a incidence matrix. The problems and solutions of reference frame dynamics – complex because of the existence of two control frames for the doubly-fed induction generator and different frames in the grid, one for each generator – are also discussed. The control is separately formulated into a gain matrix, and control and plant are put together by simple matrix algebra. As a result, detailed, large systems can be easily formed. The study shows an example in which ten generators are considered and shows that there may appear particular dynamic features when multi-machine systems (rather than single, aggregated machine systems) are represented.
Starting Page	254
Ending Page	264
Page Count	11
ISSN	17521416
Volume Number	7
e-ISSN	17521424
Issue Number	Issue 3, May (2013)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-rpg/7/3
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-rpg.2012.0005
Journal	IET Renewable Power Generation
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Algebra Asynchronous Generator Asynchronous Machine Control of Electric Power System DFIG-based Wind Power Plants Doubly Fed Induction Generator Elementary RL Branch Incidence Matrix Induction Machine Internal Grid Machine Control Matrix Algebra Multimachine System Particular Dynamic Feature Power Generation Control Power Grid Reference Frame Dynamics RL Network State-Space Representation Wind Power Plant
Content Type	Text
Resource Type	Article
Subject	Renewable Energy, Sustainability and the Environment

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