DOI:10.1007/s40565-014-0092-9 |
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A preventive control strategy for static voltage stability basedon an efficient power plant model of electric vehicles |
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Page view: 94
Net amount: 1815 |
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Author:
Mingshen WANG1,Yunfei MU1,Hongjie JIA1,Jianzhong WU2,Xiuping YAO3,Xiaodan YU1,Janaka EKANAYAKE2
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Author Affiliation:
1. Key Laboratory of Smart Grid of Ministry of Education, Tianjin University, Tianjin, 300072, China
2. School of Engineering, Institute of Energy, Cardiff University, Wales, CF10 3BN, UK
3. State Grid Xinjiang Electric Power Company, Urumqi, 830002, China
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Foundation: |
the National Natural Science Foundation of China (collaborating with EPSRC ofUK) (Nos. 51361130152 and EP/L001039/1), the National Scienceand Technology Support Program of China (No. 2013BAA01B03),and Research on Reactive Power Control and Comprehensive Evaluation Technique of Large Scale Integration of Wind/Photovoltaic Power Generation (No. NY71-14-035). |
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Abstract: |
With the increasing integration of wind farm sand electric vehicles (EVs) in power systems, voltage stability is becoming more and more serious. Based onvehicle-to-grid (V2G), an efficient power plant model of EVs (E-EPP) was developed to estimate EV charging load with available corresponding response capacity under different charging strategies. A preventive control strategy based on E-EPP was proposed to maintain the static voltage stability margin (VSM) of power system above apredefined security level. Two control modes were used including the disconnection of EV charging load (‘V1G’mode) and the discharge of stored battery energy back to power grid (‘V2G’ mode). A modified IEEE 14-bus system with high penetration of wind power and EVs was used toverify the effectiveness of preventive control strategy.Simulation results showed that the proposed strategy can not only improve the static voltage stability of power system with considerable wind generation, but also guarantee the travelling comfort for EV owners. |
Keywords: |
Electric vehicle (EV), Vehicle-to-grid (V2G),Efficient power plant (EPP), Preventive control, Staticvoltage stability |
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Online Time:2015/05/22 |
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