Electric Vehicle Charging in Smart Grid: Optimality and Valley-Filling Algorithms

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Provided by: Institute of Electrical & Electronic Engineers
Topic: Networking
Format: PDF
Electric Vehicles (EVs) offer an attractive long-term solution to reduce the dependence on fossil fuel and greenhouse gas emission. At the same time, charging a large fleet of EVs distributed across the residential area poses a challenge for the distribution network. In this paper, the authors formulate this problem by building on the Optimal Power Flow (OPF) framework to model the network constraints that arises from charging EVs at different locations. To overcome the computational challenge when the control horizon is long, they study a nested optimization approach to decompose the joint OPF and EV charging problem.
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