期刊
ELECTRIC POWER SYSTEMS RESEARCH
卷 95, 期 -, 页码 319-329出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.epsr.2012.08.013
关键词
Electric vehicles; Aggregator; Electricity market; Forecasting; Optimization; Operational management
资金
- Fundacao para a Ciencia e Tecnologia (FCT) [SFRH/BD/33738/2009]
- European Union [241399]
- Fundação para a Ciência e a Tecnologia [SFRH/BD/33738/2009] Funding Source: FCT
This paper presents numerical analysis of two alternative optimization approaches intended to support an EV aggregation agent in optimizing buying bids for the day-ahead electricity market. A study with market data from the Iberian electricity market is used for comparison and validation of the forecasting and optimization performance of the global and divided optimization approaches. The results show that evaluating the forecast quality separately from its impact in the optimization results is misleading, because a forecast with a low error might result in a higher cost than a forecast with higher error. Both bidding approaches were also compared with an inflexible EV load approach where the EV are not controlled by an aggregator and start charging when they plug-in. Results show that optimized bids allow a considerable cost reduction when compared to an inflexible load approach, and the computational performance of the algorithms satisfies the requirements for operational use by a future real EV aggregation agent. (C) 2012 Elsevier B.V. All rights reserved.
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