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Content Provider | IET Digital Library |
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Author | Zeng, Long Li, Canbing Li, Zuyi Zhou, Bin Liu, Hui Yang, Hanyu |
Abstract | Electric vehicles (EVs) as the frequency regulation (FR) resources with fast response speed provide a promising solution to improve FR performance. However, the exorbitant battery degradation cost (BDC) restricts EVs providing FR service. To achieve the FR performance with cost-efficiency, a hierarchical dispatching method based on the Hungarian algorithm is proposed for reducing the BDC of EVs in this study. To ensure system security, the required FR power is dispatched to FR units and EV aggregators according to the optimization coordinating strategy for reducing frequency fluctuation. Then, EV aggregators further dispatch the power to each EV for reducing the total BDC of EVs. In the dispatching process, various EVs provide FR service in the light of their actual condition such as BDC characteristics and state-of-charges (SOCs). To calculate the BDC of EVs accurately, the corresponding cost formulas that consider various EVs are fitting for guiding power dispatching. According to the sensitivity analysis, the FR regularity of EVs about FR performance is drawn for promoting the quantity of EVs participating in FR and further improving FR performance. Extensive case studies are presented to validate the effectiveness of the proposed method, where a large number of EVs participate in FR with cost-efficiency. |
Starting Page | 5617 |
Ending Page | 5625 |
Page Count | 9 |
ISSN | 17518687 |
Volume Number | 14 |
e-ISSN | 17518695 |
Issue Number | Issue 23, Dec (2020) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-gtd/14/23 |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2020.0754 |
Journal | IET Generation, Transmission & Distribution |
Publisher Date | 2020-09-16 |
Access Restriction | Open |
Rights Holder | © The Institution of Engineering and Technology |
Subject Keyword | Automobile Electronics BDC Control of Electric Power System Cost-efficiency Dispatching Process Electric Vehicle Charging EV Aggregators EXORbitant Battery Degradation Cost FR Performance FR Service FR Units Frequency Control Frequency Regulation ReSource Hierarchical Dispatching Method Hungarian Algorithm Optimisation Optimisation Coordinating Strategy Optimisation Technique Power Dispatching Power Generation Dispatch Power System Economics Power System Managemen Power System Operation Required FR Power Sensitivity Analysis State-of-charges System Security |
Content Type | Text |
Resource Type | Article |
Subject | Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering |
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