Base-load cycling on a system with significant wind penetration

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Title: Base-load cycling on a system with significant wind penetration
Authors: Troy, Niamh
Denny, Eleanor
O'Malley, Mark
Permanent link: http://hdl.handle.net/10197/2300
Date: May-2010
Abstract: Certain developments in the electricity sector may result in suboptimal operation of base-load generating units in countries worldwide. Despite the fact they were not designed to operate in a flexible manner, increasing penetration of variable power sources coupled with the deregulation of the electricity sector could lead to these base-load units being shut down or operated at part-load levels more often. This cycling operation would have onerous effects on the components of these units and potentially lead to increased outages and significant costs. This paper shows the serious impact increasing levels of wind power will have on the operation of base-load units. Those base-load units which are not large contributors of primary reserve to the system and have relatively shorter start-up times were found to be the most impacted as wind penetration increases. A sensitivity analysis shows the presence of storage or interconnection on a power system actually exacerbates base-load cycling until very high levels of wind power are reached. Finally, it is shown that if the total cycling costs of the individual base-load units are taken into consideration in the scheduling model, subsequent cycling operation can be reduced.
Funding Details: Science Foundation Ireland
Type of material: Journal Article
Publisher: IEEE
Journal: IEEE Transactions on Power Systems
Volume: 25
Issue: 2
Start page: 1088
End page: 1097
Series/Report no.: Electricity Research Centre (ERC)
Copyright (published version): IEEE 2010
Keywords: CostsInterconnected power systemsPower system modelingPumped storage power generationThermal power generationWind power generation
Subject LCSH: Interconnected electric utility systems
Electric power systems--Costs
Wind power
DOI: 10.1109/TPWRS.2009.2037326
Other versions: http://dx.doi.org/10.1109/TPWRS.2009.2037326
Language: en
Status of Item: Peer reviewed
Appears in Collections:ERC Research Collection
Electrical and Electronic Engineering Research Collection

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