Ancillary services; Battery storage system; Electric vehicles (EVs); Fast charging stations (FCS); Power system flexibility; Reserve provision
Abstract :
[en] Increasing variability and uncertainty coming from both sides of the power system equilibrium equation, such as wind energy on the generation side and increasing share of new consumers such as electric vehicles on the demand side, entail higher reserve requirements. While traditional approaches of assigning conventional generation units to maintain system stability can increase operational costs, greenhouse gas emissions, or give signals for new investments, utilizing intelligent control of distributed sources might mitigate those negative effects. This can be achieved by controllable charging of domestic electric vehicles. On the other hand, increasing number of public charging stations gives final users the opportunity to fast charge, making their vehicles an additional source of uncertainty rather than a provider of flexibility. This paper brings a full system assessment of combined effect of slow home charging of electric vehicles together with fast charging stations (both with and without integrated energy storage systems), cast as mixed integer linear programming unit commitment model. The contributions of this paper look into optimal periods when fast charging is beneficial for the system operation, as well as assess the benefits of integrating battery storage into fast charging stations to mitigate the negative effects to power system operation.
Research center :
Interdisciplinary Centre for Security, Reliability and Trust (SnT) > FINATRAX - Digital Financial Services and Cross-organizational Digital Transformations
Disciplines :
Management information systems Computer science Computer science
Author, co-author :
PAVIĆ, Ivan ; University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > FINATRAX
Capuder, Tomislav; Faculty of Electrical Engineering and Computing, University of Zagreb, Zagreb, Croatia
Kuzle, Igor; Faculty of Electrical Engineering and Computing, University of Zagreb, Zagreb, Croatia
External co-authors :
yes
Language :
English
Title :
A comprehensive approach for maximizing flexibility benefits of electric vehicles
Original title :
[en] A comprehensive approach for maximizing flexibility benefits of electric vehicles
Publication date :
September 2018
Journal title :
IEEE Systems Journal
ISSN :
1932-8184
eISSN :
1937-9234
Publisher :
Institute of Electrical and Electronics Engineers Inc.
This work was supported in part by the Croatian Science Foundation under the project SUstainable ConCept for integration of distributed Energy Storage Systems (SUCCESS) and in part by the Croatian Science Foundation under the project Electric Vehicles Battery Swapping Station (IP-2014-09-3517).
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