Multi-Objective-Based Charging and Discharging Coordination of Plug-in Electric Vehicle Integrating Capacitor and OLTC

Junaid Bin Fakhrul Islam, Mir Toufikur Rahman, Shameem Ahmad (), Tofael Ahmed, G. M. Shafiullah (), Hazlie Mokhlis, Mohamadariff Othman, Tengku Faiz Tengku Mohmed Noor Izam, Hasmaini Mohamad and Mohammad Taufiqul Arif
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Junaid Bin Fakhrul Islam: Department of Electrical Engineering, Universiti Malaya, Kuala Lumpur 50603, Malaysia
Mir Toufikur Rahman: School of Engineering, RMIT University, Melbourne 3000, Australia
Shameem Ahmad: Department of Electrical Engineering, Universiti Malaya, Kuala Lumpur 50603, Malaysia
Tofael Ahmed: Department of Electrical and Electronic Engineering, Chittagong University of Engineering & Technology, Chittagong 4349, Bangladesh
G. M. Shafiullah: Discipline of Engineering and Energy, Murdoch University, Perth 6150, Australia
Hazlie Mokhlis: Department of Electrical Engineering, Universiti Malaya, Kuala Lumpur 50603, Malaysia
Mohamadariff Othman: Department of Electrical Engineering, Universiti Malaya, Kuala Lumpur 50603, Malaysia
Tengku Faiz Tengku Mohmed Noor Izam: Department of Electrical Engineering, Universiti Malaya, Kuala Lumpur 50603, Malaysia
Hasmaini Mohamad: Department of Electrical Engineering, University of Technology Mara (UiTM), Shah Alam 40450, Malaysia
Mohammad Taufiqul Arif: School of Engineering, Deakin University, Waurn Ponds, Geelong 3216, Australia

Energies, 2023, vol. 16, issue 5, 1-20

Abstract: The integration of plug-in electric vehicles (PEVs) in residential distribution networks demands a significant amount of electrical load where random and uncoordinated charging affects the quality and performance of the distribution network. Random and uncoordinated charging may increase the peak demand and can increase stress on critical network assets such as line, transformer, and switching devices. Moreover, the charging of PEVs in a low network reduces the voltage of the system below the lower limit. On the other hand, using PEVs as storage in the V2G mode can improve the network condition. Therefore, it is critical to properly manage the charging and discharging operation of PEVs. This paper proposes a multi-objective-based charging and discharging coordination of PEVs with the operation of the capacitor and on-load tap changer (OLTC). With the proposed strategy, the distribution network is operated safely, and charging is ensured for all PEVs connected to the network. The main consideration of this research is to reduce the daily power loss, operational cost, and voltage deviation of the system. The metaheuristic optimization binary firefly algorithm (BFA) has been applied to coordinate PEV charging and discharging as well as capacitor and OLTC operation in the system. A modified IEEE 31 bus 23 kV distribution system is used to implement the proposed strategy. From the obtained results, it is found that the combined PEV charging and discharging coordination with capacitor and OLTC operation reduces the power loss and cost by 34.16% and 12.68%, respectively, with respect to uncoordinated charging and enhances the voltage condition of the network.

Keywords: charging coordination; cost minimization; discharging coordination; plug-in electric vehicle (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: 2023
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