Abstract
Due to the increasing realization of environmental protection and energy structure optimization, the scale of electric vehicles (EV) is gradually expanding. However, the scale-up of EV brings new challenges about the security and economics of power system. The use of vehicle-to-grid (V2G) can not only reduce the electrical load, but also provide additional benefits for EV owners. This paper presents a value analysis model for EV aggregators to participate in ancillary services by using V2G in Shanghai and Chengdu. The potential regulatory capacity and economic benefits of V2G are analyzed based on the various demands and charge prices in different area. The results show that V2G can obviously mitigate the load pressure and save charge cost for EV owners both in Shanghai and Chengdu.
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