Multi-Objective Optimal Charging Control of Plug-In Hybrid Electric Vehicles in Power Distribution Systems

Wei Li, Zhiyun Lin, Kai Cai, Hanyun Zhou and Gangfeng Yan
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Wei Li: College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China
Zhiyun Lin: School of Automation, Hangzhou Dianzi University, Hangzhou 310018, China
Kai Cai: Department of Electrical and Information Engineering, Osaka City University, Osaka 5588585, Japan
Hanyun Zhou: Institute of Marine Information Science and Technology, Zhejiang University, Zhoushan, 316022, China
Gangfeng Yan: College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China

Energies, 2019, vol. 12, issue 13, 1-19

Abstract: With the increasing popularity of plug-in hybrid electric vehicles (PHEVs), the coordinated charging of PHEVs has become an important issue in power distribution systems. This paper employs a multi-objective optimization model for coordinated charging of PHEVs in the system, in which the problem of valley filling and total cost minimization are both investigated under the system’s technical constraints. To this end, a hierarchical optimal algorithm combining the water-filling-based algorithm with the consensus-based method is proposed to solve the constrained optimization problem. Moreover, a moving horizon approach is adopted to deal with the case where PHEVs arrive and leave randomly. We show that the proposed algorithm not only enhances the stability of the power load but also achieves the global minimization of vehicle owners charging costs, and its implementation is convenient in the multi-level power distribution system integrating the physical power grid with a heterogeneous information network. Numerical simulations are presented to show the desirable performance of the proposed algorithm.

Keywords: coordinated charging; hierarchical algorithm; multi-objective optimization; moving horizon approach; PHEVs (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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