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Distributed Low-Complexity Controller for Wind Power Plant in Derated Operation

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Author

  • Benjamin Biegel
  • Daria Madjidian
  • Vedrana Spudic
  • Anders Rantzer
  • Jakob Stoustrup

Summary, in English

We consider a wind power plant of megawatt wind turbines operating in derated mode. When operating in this mode, the wind power plant controller is free to distribute power set-points to the individual turbines, as long as the total power demand is met. In this work, we design a controller that exploits this freedom to reduce the fatigue on the turbines in the wind power plant. We show that the controller can be designed in a decentralized manner, such that each wind turbine is equipped with a local low-complexity controller relying only on few measurements and little communication.



As a basis for the controller design, a linear wind turbine model is constructed and verified in an operational wind power plant of megawatt turbines. Due to limitations of the wind power plant available for tests, it is not possible to implement the developed controller; instead the final distributed controller is evaluated via simulations using an industrial wind turbine model. The simulations consistently show fatigue reductions in the magnitude of 15 – 20 %.

Publishing year

2013

Language

English

Document type

Conference paper

Topic

  • Control Engineering

Keywords

  • control
  • wind power

Conference name

IEEE Multi-conference on Systems and Control, 2013

Conference date

2013-08-27 - 2013-08-30

Conference place

Hyderabad, India

Status

Published

Project

  • LCCC
  • AEOLUS

Research group

  • LCCC