With the market-oriented reform of grid, it's possible to supplement private charging piles to meet the excessive charging demands of EVs . Shared charging means that private charging pile owners give the usufruct of charging piles to grid during the idle period .
The existence and uniqueness of the GNE are proved by VI. The solution of GNE is obtained by smooth Newton method. Based on this, a hierarchical scheduling model considering shared charging piles is proposed, which coordinates charging stations and shared charging piles to determine the optimal charging time and location of EVs.
Then, grid can supplement shared charging piles to relieve the power supply pressure of charging stations during the peak charging periods. For private charging pile owners, the main purpose of shared charging is to increase the revenue of sharing.
Thus, a flexible sharing method of charging piles is an important premise for owners to provide sharing services. However, most sharing researches focus on the data’s security and privacy issues of pile owners, and the sharing method formulated by power grid for the owners is relatively fixed , .
The (44), (46), (47), (48) respectively represent the constraints of regional capacity, fast and slow charging capacity of charging stations and the capacity of shared charging piles. Constraint (49) ensures that the utilization rate of shared charging piles is positive.
Thus, all charging pile agents only have a unique sharing scheme. Given that, a smooth Newton method with global convergent can obtain the GNE of this GNEP. The solution steps are detailed in literature, which will not be described in this paper. 4. Hierarchical scheduling model of EVs considering shared charging pile 4.1.
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