规模化EV充电与风力/火电发电系统协调运行

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Abstract The rapid development of renewable energy poses new challenges to the operation of the grid wind power can not be fully used due to the lack of peak-load regulation capacity and so on. And the electric vehicle charging as controllable provides the opportunity to improve the grid operation. A two-stage control mechanism based on grid and EV users is proposed to determine the coordinated program between large-scale EV charging and wind-thermal system. At the user side,different charging strategies for different users are established to optimize EV charging. At the grid side,a dynamic environmental dispatch model including economy,emission and wind-power abandoned is proposed to optimize outputs of the thermal units. The orthogonal initialization,improved crowd distance calculation and self-adaptive parameter control are put forward due to the weakness existing in the multi-objective differential evolution. Simulations are done in a system containing 10 thermal units and large-scale wind-power system,the coordinated program is determined,and impacts of EV scale and reserve on the operation are also analyzed.

Key words： Electric vehicle charging load wind power dynamic environmental dispatch enhanced differential evolution algorithm

Received: 22 April 2011 Published: 11 December 2013

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	Liu Wenxia
	Zhao Tianyang
	Qiu Wei
	Zhang Jianhua

Cite this article:

Liu Wenxia,Zhao Tianyang,Qiu Wei等. Coordinated Operation of Large Scale Electric Vehicles Charging with Wind-Thermal Power System[J]. Transactions of China Electrotechnical Society, 2013, 28(5): 49-57.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2013/V28/I5/49

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