Rolling unit commitment for systems with significant installed wind capacity

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Title: Rolling unit commitment for systems with significant installed wind capacity
Authors: Tuohy, Aidan
Denny, Eleanor
O'Malley, Mark
Permanent link: http://hdl.handle.net/10197/3318
Date: Jul-2007
Abstract: As wind power penetration grows, the amount of reserve needed on the system also grows, due to the increases in the uncertainty of wind power, which grows larger as forecast horizon increases. By scheduling the system more often the amount of extra reserve to be carried to cater for wind uncertainty decreases, depending on the flexibility of plant on the system. This reduces the costs of operating the system. There is a trade off between reduced costs due to more frequent commitment, the ability of wind forecasts to be made more accurately, and the increased costs of more flexible plant. This paper examines the benefits of committing the system more frequently, and how different factors such as reliability of the system, accuracy of the forecasts and plant mix impact on this.
Funding Details: Science Foundation Ireland
Type of material: Conference Publication
Publisher: IEEE
Copyright (published version): 2007 IEEE
Keywords: Wind power generation;Costs;Power system economics;Power generation dispatch;Unit commitment;Wind forecasting
Subject LCSH: Wind power
Electric power systems--Costs
Electric power systems--Economic aspects
DOI: 10.1109/PCT.2007.4538517
Language: en
Status of Item: Not peer reviewed
Is part of: 2007 IEEE Lausanne Power Tech [proceedings]
Conference Details: Paper presented at IEEE Power Tech 2007, 1-5 July, 2007, Lausanne, Switzerland
Appears in Collections:ERC Research Collection
Electrical and Electronic Engineering Research Collection

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