Frequency Stabilizing Scheme for a Danish Island Grid

Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2012

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This paper describes the development of frequency stabilizing control scheme for a small Danish island of Bornholm. The Bornholm power system is able to transit from interconnected operation with the Nordic power system to isolated islanding operation. During islanding operation the shedding of wind power is necessary to avoid unwanted power oscillations, which lead to uncontrolled oscillations in the power plant control. Since this might deteriorate power quality including frequency in an island grid, a frequency stabilizing control scheme or strategies using intelligent controller with a battery energy storage system (BESS) has been proposed. The real-time models of distribution grids of Bornholm power system were used to carry out case studies to illustrate the performance of centralized load frequency control as well as coordinated control scheme. Case study results show that the proposed coordinated control scheme can efficiently help stabilize the frequency after switching to islanding operation.
Original languageEnglish
Title3rd IEEE PES Innovative Smart Grid Technologies (ISGT)
Number of pages8
PublisherIEEE
Publication date2012
ISBN (print)978-1-4577-1422-1
StatePublished

Conference

Conference3rd IEEE PES Innovative Smart Grid Technologies (ISGT) Europe Conference (IEEE PES ISGT Europe 2012)
Number3
CountryGermany
CityBerlin
Period14/10/1217/10/12

Keywords

  • Battery energy storage system (BESS), Danish island grid, Islanding operation, Load frequency control (LFC), Real time digital simulator (RTDS)
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