Stability Boundaries for Offshore Wind Park Distributed Voltage Control

Publication: Research - peer-reviewJournal article – Annual report year: 2016



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In order to identify mechanisms causing slow reactive power oscillations observed in an existing offshore wind power plant, and be able to avoid similar events in the future, voltage control is studied in this paper for a plant with a static synchronous compensator, type-4 wind turbines and a park pilot control. Using data from the actual wind power plant, all stabilizing subsystem voltage proportional-integral controller parameters are first characterized based on their Hurwitz signature. Inner loop current control is then designed using Internal Mode Control principles, and guidelines for feed forward filter design are given to obtain required disturbance rejection properties. The paper contributes by providing analytical relations between power plant control, droop, sampling time, electrical parameters and voltage control characteristics, and by assessing frequencies and damping of reactive power modes over a realistic envelope of electrical impedances and control parameters.
Original languageEnglish
JournalI E E E Transactions on Control Systems Technology
Issue number4
Pages (from-to)1496 - 1504
StatePublished - 2017

Bibliographical note

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CitationsWeb of Science® Times Cited: 0


  • Reactive power control, Voltage control, Wind Power Plants, Wind energy integration
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