Integration of Large-Scale Electric Vehicles into Utility Grid: An Efficient Approach for Impact Analysis and Power Quality Assessment

Md. Mosaraf Hossain Khan, Amran Hossain, Aasim Ullah, Molla Shahadat Hossain Lipu, S. M. Shahnewaz Siddiquee, M. Shafiul Alam, Taskin Jamal and Hafiz Ahmed
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Md. Mosaraf Hossain Khan: Department of Electrical and Electronics Engineering, International Islamic University Chittagong, Chattogram 4318, Bangladesh
Amran Hossain: Department of Electrical and Electronics Engineering, International Islamic University Chittagong, Chattogram 4318, Bangladesh
Aasim Ullah: Department of Electrical and Electronics Engineering, International Islamic University Chittagong, Chattogram 4318, Bangladesh
Molla Shahadat Hossain Lipu: Department of Electrical, Electronic and Systems Engineering, Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Selangor, Malaysia
S. M. Shahnewaz Siddiquee: Intelligent Efficiency Research Group (IERG), School of Engineering, University College Cork, T12HY8E Cork, Ireland
M. Shafiul Alam: K.A.CARE Energy Research & Innovation Center (ERIC), King Fahd University of Petroleum & Minerals (KFUPM), Dhahran 31261, Saudi Arabia
Taskin Jamal: Department of Electrical and Electronic Engineering, Ahsanullah University of Science and Technology, Dhaka 1208, Bangladesh
Hafiz Ahmed: Nuclear Futures Institute, Bangor University, Bangor LL57 1UT, UK

Sustainability, 2021, vol. 13, issue 19, 1-18

Abstract: Electric vehicles (EVs) have received massive consideration in the automotive industries due to their improved performance, efficiency and capability to minimize global warming and carbon emission impacts. The utilization of EVs has several potential benefits, such as increased use of renewable energy, less dependency on fossil-fuel-based power generations and energy-storage capability. Although EVs can significantly mitigate global carbon emissions, it is challenging to maintain power balance during charging on-peak hours. Thus, it mandates a comprehensive impact analysis of high-level electric vehicle penetration in utility grids. This paper investigates the impacts of large-scale EV penetration on low voltage distribution, considering the charging time, charging method and characteristics. Several charging scenarios are considered for EVs’ integration into the utility grid regarding power demand, voltage profile, power quality and system adequacy. A lookup-table-based charging approach for EVs is proposed for impact analysis, while considering a large-scale integration. It is observed that the bus voltage and line current are affected during high-level charging and discharging of the EVs. The residential grid voltage sag increases by about 1.96% to 1.77%, 2.21%, 1.96 to 1.521% and 1.93% in four EV-charging profiles, respectively. The finding of this work can be adopted in designing optimal charging/discharging of EVs to minimize the impacts on bus voltage and line current.

Keywords: plug-in electric vehicles; grid integration; power demand; voltage profile; grid resolution; impact-assessment process (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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