Adapted Stochastic PV Hosting Capacity Approach for Electric Vehicle Charging Considering Undervoltage

This paper presents a stochastic approach to single-phase and three-phase EV charge hosting capacity for distribution networks. The method includes the two types of uncertainties, aleatory and epistemic, and is developed from an equivalent method that was applied to solar PV hosting capacity estimat...

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Main Authors: Enock Mulenga, Math H. J. Bollen, Nicholas Etherden
Format: Article
Language:English
Published: MDPI AG 2021-09-01
Series:Electricity
Subjects:
Online Access:https://www.mdpi.com/2673-4826/2/3/23
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author Enock Mulenga
Math H. J. Bollen
Nicholas Etherden
author_facet Enock Mulenga
Math H. J. Bollen
Nicholas Etherden
author_sort Enock Mulenga
collection DOAJ
description This paper presents a stochastic approach to single-phase and three-phase EV charge hosting capacity for distribution networks. The method includes the two types of uncertainties, aleatory and epistemic, and is developed from an equivalent method that was applied to solar PV hosting capacity estimation. The method is applied to two existing low-voltage networks in Northern Sweden, with six and 83 customers. The lowest background voltage and highest consumption per customer are obtained from measurements. It is shown that both have a big impact on the hosting capacity. The hosting capacity also depends strongly on the charging size, within the range of charging size expected in the near future. The large range in hosting capacity found from this study—between 0% and 100% of customers can simultaneously charge their EV car—means that such hosting capacity studies are needed for each individual distribution network. The highest hosting capacity for the illustrative distribution networks was obtained for the 3.7 kW single-phase and 11 kW three-phase EV charging power.
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spelling doaj.art-23ea59006b814fd482ac1029f0f1eb6b2023-11-22T12:46:48ZengMDPI AGElectricity2673-48262021-09-012338740210.3390/electricity2030023Adapted Stochastic PV Hosting Capacity Approach for Electric Vehicle Charging Considering UndervoltageEnock Mulenga0Math H. J. Bollen1Nicholas Etherden2Department of Engineering Sciences and Mathematics, Luleå University of Technology, 93187 Skellefteå, SwedenDepartment of Engineering Sciences and Mathematics, Luleå University of Technology, 93187 Skellefteå, SwedenDepartment of Engineering Sciences and Mathematics, Luleå University of Technology, 93187 Skellefteå, SwedenThis paper presents a stochastic approach to single-phase and three-phase EV charge hosting capacity for distribution networks. The method includes the two types of uncertainties, aleatory and epistemic, and is developed from an equivalent method that was applied to solar PV hosting capacity estimation. The method is applied to two existing low-voltage networks in Northern Sweden, with six and 83 customers. The lowest background voltage and highest consumption per customer are obtained from measurements. It is shown that both have a big impact on the hosting capacity. The hosting capacity also depends strongly on the charging size, within the range of charging size expected in the near future. The large range in hosting capacity found from this study—between 0% and 100% of customers can simultaneously charge their EV car—means that such hosting capacity studies are needed for each individual distribution network. The highest hosting capacity for the illustrative distribution networks was obtained for the 3.7 kW single-phase and 11 kW three-phase EV charging power.https://www.mdpi.com/2673-4826/2/3/23hosting capacityMonte Carlo methodsstochasticuncertaintyundervoltageelectric vehicle
spellingShingle Enock Mulenga
Math H. J. Bollen
Nicholas Etherden
Adapted Stochastic PV Hosting Capacity Approach for Electric Vehicle Charging Considering Undervoltage
Electricity
hosting capacity
Monte Carlo methods
stochastic
uncertainty
undervoltage
electric vehicle
title Adapted Stochastic PV Hosting Capacity Approach for Electric Vehicle Charging Considering Undervoltage
title_full Adapted Stochastic PV Hosting Capacity Approach for Electric Vehicle Charging Considering Undervoltage
title_fullStr Adapted Stochastic PV Hosting Capacity Approach for Electric Vehicle Charging Considering Undervoltage
title_full_unstemmed Adapted Stochastic PV Hosting Capacity Approach for Electric Vehicle Charging Considering Undervoltage
title_short Adapted Stochastic PV Hosting Capacity Approach for Electric Vehicle Charging Considering Undervoltage
title_sort adapted stochastic pv hosting capacity approach for electric vehicle charging considering undervoltage
topic hosting capacity
Monte Carlo methods
stochastic
uncertainty
undervoltage
electric vehicle
url https://www.mdpi.com/2673-4826/2/3/23
work_keys_str_mv AT enockmulenga adaptedstochasticpvhostingcapacityapproachforelectricvehiclechargingconsideringundervoltage
AT mathhjbollen adaptedstochasticpvhostingcapacityapproachforelectricvehiclechargingconsideringundervoltage
AT nicholasetherden adaptedstochasticpvhostingcapacityapproachforelectricvehiclechargingconsideringundervoltage