A Fundamental Study of Applying Wind Turbines for Power System Frequency Control

As wind penetration increases in power systems around the world, new challenges to the controllability and operation of a power system are encountered. In particular, frequency response is impacted when a considerable amount of power-electronics interfaced generation, such as wind, is connected to t...

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Bibliographic Details
Published in:IEEE transactions on power systems 2016-03, Vol.31 (2), p.1496-1505
Main Authors: Wilches-Bernal, Felipe, Chow, Joe H., Sanchez-Gasca, Juan J.
Format: Article
Language:English
Subjects:
Controllers
DFAG wind turbine
Dynamical systems
Dynamics
Frequency control
Frequency response
Generators
linear analysis
Mathematical model
Penetration
pitch angle control
Power systems
root-locus analysis
Simulation
wind generation
Wind power generation
Wind speed
Wind turbines
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Summary:As wind penetration increases in power systems around the world, new challenges to the controllability and operation of a power system are encountered. In particular, frequency response is impacted when a considerable amount of power-electronics interfaced generation, such as wind, is connected to the system. This paper uses small-signal analysis and dynamic simulation to study frequency response in power systems and investigate how Type-3 DFAG wind turbines can impact this response on a test power system, whose frequency response is determined mainly by a frequency-regulation mode. By operating the wind turbines in a deloaded mode, a proposed pitch-angle controller is designed using a root-locus analysis. Time simulations are used to demonstrate the transient and steady-state performance of the proposed controller in the test system with 25% and 50% wind penetration.
ISSN:0885-8950
1558-0679
DOI:10.1109/TPWRS.2015.2433932