期刊
ENERGY
卷 170, 期 -, 页码 889-905出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.energy.2018.12.165
关键词
Plug-in electric vehicles; Unit commitment; Vehicle to grid; Symmetric transfer function; Binary particle swarm optimization; Meta-heuristic
资金
- National Natural Science Foundation of China (NSFC) [51607177, 61773252, 61433012, U1435215]
- China Postdoctoral Science Foundation [2018M631005]
- Natural Science Foundation of Guangdong Province [2018A030310671]
- UK Engineering and Physical Sciences Research Council (EPSRC) [EP/P004636/1]
- EPSRC [EP/P004636/1] Funding Source: UKRI
Conventional unit commitment is a mixed integer optimization problem and has long been a key issue for power system operators. The complexity of this problem has increased in recent years given the emergence of new participants such as large penetration of plug-in electric vehicles. In this paper, a new model is established for simultaneously considering the day-ahead hourly based power system scheduling and a significant number of plug-in electric vehicles charging and discharging behaviours. For solving the problem, a novel hybrid mixed coding meta-heuristic algorithm is proposed, where V-shape symmetric transfer functions based binary particle swarm optimization are employed. The impact of transfer functions utilised in binary optimization on solving unit commitment and plug-in electric vehicle integration are investigated in a 10 unit power system with 50,000 plug-in electric vehicles. In addition, two unidirectional modes including grid to vehicle and vehicle to grid, as well as a bidirectional mode combining plug-in electric vehicle charging and discharging are comparatively examined. The numerical results show that the novel symmetric transfer function based optimization algorithm demonstrates competitive performance in reducing the fossil fuel cost and increasing the scheduling flexibility of plug-in electric vehicles in three intelligent scheduling modes. Crown Copyright (C) 2018 Published by Elsevier Ltd. All rights reserved.
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