Author: Anca D. Hansen, Florin Iov, Poul Sørensen, Nicolaos
Cutululis, Clemens Jauch, Frede Blaabjerg
Title: Dynamic wind turbine models in power system simulation tool
DIgSILENT
De
artment: Wind Ener
De
artmen
Risø-R-1400(ed.2)(EN)
August 2007
ISSN 0106-2840
ISBN 978-87-550-3553-9
Contract no.:
ENS 1363/04-0008
Group's own reg. no.:
1115043-01
Sponsorship:
Cover :
Pages: 190
Tables: 7
References: 74
Abstract (max. 2000 char.):
This report presents a collection of models and control strategies
developed and implemented in the power system simulation tool
PowerFactory DIgSILENT for different wind turbine concepts. It is
the second edition of Risø-R-1400(EN) and it gathers and describes
a whole wind turbine model database built-op and developed during
several national research projects, carried out at Risø DTU National
Laboratory for Sustainable Energy and Aalborg University, in the
period 2001-2007. The overall objective of these projects was to
create a wind turbine model database able to support the analysis of
the interaction between the mechanical structure of the wind turbine
and the electrical grid during different operational modes.
The report provides thus a description of the wind turbines
modelling, both at a component level and at a system level. The
report contains both the description of DIgSILENT built-in models
for the electrical components of a grid connected wind turbine (e.g.
induction generators, power converters, transformers) and the
models developed by the user, in the dynamic simulation language
DSL of DIgSILENT, for the non-electrical components of the wind
turbine (wind model, aerodynamic model, mechanical model). The
initialisation issues on the wind turbine models into the power
system simulation are also presented.
The main attention in the report is drawn to the modelling at the
system level of the following wind turbine concepts:
1. Fixed speed active stall wind turbine concept
2. Variable speed doubly-fed induction generator wind
turbine concept
3. Variable speed multi-pole permanent magnet synchronous
generator wind turbine concept
These wind turbine concept models can be used and even extended
for the study of different aspects, e.g. the assessment of power
quality, control strategies, connection of the wind turbine at
different types of grid and storage systems. Different control
strategies have been developed and implemented for these wind
turbine concepts, their performance in normal or fault operation
being assessed and discussed by means of simulations. The
described control strategies have different goals e.g. fast response
over disturbances, optimum power efficiency over a wider range of
wind speeds, voltage ride-through capability including grid support.
A dynamic model of a DC connection for active stall wind farms to
the grid including the control is also implemented and presented.
Information Service Department
Risø National Laboratory
Technical University of Denmark
P.O.Box 49
DK-4000 Roskilde
Denmark
Telephone +45 46774004
bibl@risoe.dk
Fax +45 46774013
www.risoe.dk
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