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http://hdl.handle.net/10397/93386
Title: | An operation model for distribution companies using the flexibility of electric vehicle aggregators | Authors: | Lu, X Chan, KW Xia, S Shahidehpour, M Ng, WH |
Issue Date: | Mar-2021 | Source: | IEEE transactions on smart grid, Mar. 2021, v. 12, no. 2, 51, p. 1507-1518 | Abstract: | An operation model for distribution companies (DISCOs) is proposed to reduce their operation costs by fully utilizing the flexibility of electric vehicle aggregators (EVAs). In the proposed model, linear decision rules approximation is adopted to achieve mathematical tractability, and distributionally robust optimization is applied to evaluate costs affected by uncertainties in renewable power outputs and EVA charging demands. Case studies are conducted under various settings. With the proposed model, using EVAs to mitigate uncertainties is achieved and is further classified into delaying uncertainties and eliminating uncertainties. As a result, average penalties for DISCO's deviations from its planned energy portfolio are reduced. Besides, EVA charging demands are shifted to hours with lower energy prices to reduce energy costs of DISCO. Using EVAs to mitigate uncertainties and shifting EVA charging demands are properly coordinated under the proposed model. Moreover, power losses in EVA charging and discharging are utilized to reduce the scale of uncertainties, which decreases average penalties for energy deviations of DISCO. | Keywords: | Distribution company Distributionally robust optimization Electric vehicle aggregator Renewable energy Uncertainty |
Publisher: | Institute of Electrical and Electronics Engineers | Journal: | IEEE transactions on smart grid | ISSN: | 1949-3053 | EISSN: | 1949-3061 | DOI: | 10.1109/TSG.2020.3037053 | Rights: | © 2020 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The following publication X. Lu, K. W. Chan, S. Xia, M. Shahidehpour and W. H. Ng, "An Operation Model for Distribution Companies Using the Flexibility of Electric Vehicle Aggregators," in IEEE Transactions on Smart Grid, vol. 12, no. 2, pp. 1507-1518, March 2021 is available at https://doi.org/10.1109/TSG.2020.3037053 |
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Lu_Operation_Model_Distribution.pdf | Pre-Published version | 1.09 MB | Adobe PDF | View/Open |
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