Double-layered intelligent energy management for optimal integration of plug-in electric vehicles into distribution systems

R. Mehta, P. Verma, D. Srinivasan and Jing Yang

Applied Energy, 2019, vol. 233-234, 146-155

Abstract: This paper proposes a double-layered intelligent energy management (DIEM) approach for optimal integration of plug-in electric vehicles (PEVs) into a distribution system. The proposed approach involves two optimization layers for real and reactive power management of PEVs which take place at nodal and system level, respectively. The first optimization layer for real power management is designed from nodal aggregator’s perspective and aims to minimize the daily total cost incurred for PEV (dis)charging. The second optimization layer for reactive power management is designed from distribution system operator’s perspective where the objective is to minimize the system power loss utilizing the reactive power capacity provided by PEVs. The DIEM approach is implemented for PEV integration in a 33-bus distribution system and its performance is assessed against a single-layered intelligent energy management (SIEM) approach which involves only first optimization layer, i.e. real power management of PEVs. The simulation results indicate that utilizing reactive power services of PEVs allows the proposed approach to provide voltage regulation and hence the ability to integrate higher PEV penetration within permissible voltage limits. Furthermore, the simulation results clearly demonstrate the effectiveness and superiority of the proposed DIEM approach in comparison to the SIEM approach.

Keywords: Grid-to-vehicle (G2V); Penetration level; Power loss reduction; Real and reactive power management; Vehicle-to-grid (V2G); Voltage regulation (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (12)

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DOI: 10.1016/j.apenergy.2018.10.008

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