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    Please use this identifier to cite or link to this item: http://ir.nknu.edu.tw/ir/handle/987654321/24333

    題名: Decentralized Energy Management System for Charging and Discharging of Plug-In Electric Vehicles
    Authors: 陳榮杰
    Jung-Chieh Chen
    貢獻者: 光電與通訊工程學系
    Keywords: convex programming electric vehicles;energy management systems;power grids;search problems
    Date: 2012-10-25
    Issue Date: 2015-06-04 10:01:32 (UTC+8)
    Abstract: We propose a decentralized management of the charging and discharging process of plug-in electric vehicles (PEVs). By simply switching a PEV during charging, discharging, or in an off-mode, certain quality of services to a PEV owner can be maximized. Most importantly, circuit-level capacity constraints on power grids can be maintained simultaneously. However, the optimal PEV state decision problem requires an exhaustive search of all possible combinations of PEV states, which can become computationally prohibitive when the number of PEVs is very large. Therefore, we employ the convex relaxation optimization method to solve the PEV state decision problem. Moreover, we also develop a decentralized optimization algorithm that can solve the PEV state decision problem in a decentralized fashion, where charging, discharging, and off-mode are made locally by each sub-aggregator. The simulation results indicate that the proposed PEV energy management system can obtain the same final state-of-charge of the batteries as that obtained by uncontrolled cases, however, the effect of PEV charging on the power system is significantly mitigated.
    關聯: International Conference on Wireless Communications and Signal Processing (WCSP 2012), Huangshan, China, October 25-27, 2012 / Page(s): 1-6, DOI: 10.1109/WCSP.2012.6542865
    Appears in Collections:[光電與通訊工程學系] 會議論文
    [光通系] 陳榮杰

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