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Electric Vehicle -- Wireless Charging-Discharging Lane Decentralized Peer-to-Peer Energy Trading

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Document pages: 24 pages

Abstract: This paper investigates the problem of bidirectional energy exchange betweenelectric vehicles (EVs) and road lanes embedded with wireless power transfertechnologies called wireless charging-discharging lanes (WCDLs). As such, EVscould provide better services to the grid, especially for balancing thesupply-demand, while bringing convenience for EV users, because no cables andEV stops are needed. To enable this EV--WCDL energy exchange, a noveldecentralized peer-to-peer (P2P) trading mechanism is proposed, in which EVsdirectly negotiate with a WCDL to reach consensus on the energy price andamounts to be traded. Those energy price and amounts are solutions of anoptimization problem aiming at optimizing private cost functions of EVs andWCDL. The negotiation process between EVs and WCDL is secured by aprivacy-preserving consensus mechanism. Further, to assure successful tradingwith desired energy price and amounts, an analytical and systematic method isproposed to select cost function parameters by EVs and WCDL in a fullydecentralized manner. Simulations are then carried out to validate developedtheoretical results, which confirm the effectiveness and scalability of theproposed algorithm.

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