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Minimizing regulation costs in multi-area systems with uncertain wind power forecasts
KTH, School of Electrical Engineering (EES), Electric Power Systems.
KTH, School of Electrical Engineering (EES), Electric Power Systems.ORCID iD: 0000-0002-8189-2420
2008 (English)In: Wind Energy, ISSN 1095-4244, E-ISSN 1099-1824, Vol. 11, no 1, 97-108 p.Article in journal (Refereed) Published
Abstract [en]

In a power system where there are many fast and/or large changes in generation or consumption, e.g. in a system with large amounts of wind power, it is more complicated to handle the frequency control efficiently. Minimizing regulation costs for the system operator in such a system requires the possibility to simulate the frequency control in the time range from minutes to a few hours. In this paper, it is shown how the frequency control during normal operation can be optimized using a multi-area model, without exceeding frequency limits or transmission capacity. The model has also been expanded to include uncertainties in wind power forecasts, which may lead to an increase of the regulating costs. The optimization model is applied to numerical examples to show the impact of wind power on costs for regulating power and to show the value of better wind speed forecasts. No load forecast errors are taken into account.

Place, publisher, year, edition, pages
2008. Vol. 11, no 1, 97-108 p.
Keyword [en]
frequency control, multi-area modeling, optimization, regulating market
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-17312DOI: 10.1002/we.231ISI: 000253056500009Scopus ID: 2-s2.0-39349106286OAI: oai:DiVA.org:kth-17312DiVA: diva2:335356
Note
QC 20100525Available from: 2012-01-18 Created: 2010-08-05 Last updated: 2017-12-12Bibliographically approved

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Söder, Lennart

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