Charging Coordination and Load Balancing of Plug-in Electric Vehicles in Unbalanced Low-Voltage Distribution Systems

Mohammad Reza Kikhanadi, Amin Hajizadeh, Amir Shahirinia

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Resumé

Plug-in electric vehicles (PEVs) are gaining popularity as a solution to reduce greenhouse gas production. On the other hand, uncoordinated charging of PEVs is a reason for grid stress and increasing of congestion, total power consumption (TPC) and distribution lines and transformers losses. Moreover, single-phase connection of EVs in residential buildings causes line current imbalance and it has more negative effects on TPC and power losses. Thus, they are characterized as unbalanced loads with random locations, plug-in times, charging rates and durations. Hence, in this paper, a charging coordination algorithm is proposed to utilize the integration of PEVs in both operational modes (G2V, V2G) to guarantee power loss reduction, voltage profile maintaining and load current balancing. The introduced algorithm can perform an optimal calculation to determine proper phase for PEVsin distribution feeders and decline the unbalancing by deploying a new device called Phase Switcher which is in series with chargers in residential buildings. The phase switcher is connected to the Smart Load Management Center (SLMC) which it uses the proposed algorithm to determine the proper phase for connection or disconnection of PEVs and finding the appropriate numbers of PEVs. To show the effectiveness of the proposed algorithm, simulation results are provided.
OriginalsprogEngelsk
TidsskriftIET Generation, Transmission & Distribution
Antal sider11
ISSN1751-8687
DOI
StatusE-pub ahead of print - 2020

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Resource allocation
Electric potential
Electric power utilization
Greenhouse gases
Plug-in electric vehicles

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title = "Charging Coordination and Load Balancing of Plug-in Electric Vehicles in Unbalanced Low-Voltage Distribution Systems",
abstract = "Plug-in electric vehicles (PEVs) are gaining popularity as a solution to reduce greenhouse gas production. On the other hand, uncoordinated charging of PEVs is a reason for grid stress and increasing of congestion, total power consumption (TPC) and distribution lines and transformers losses. Moreover, single-phase connection of EVs in residential buildings causes line current imbalance and it has more negative effects on TPC and power losses. Thus, they are characterized as unbalanced loads with random locations, plug-in times, charging rates and durations. Hence, in this paper, a charging coordination algorithm is proposed to utilize the integration of PEVs in both operational modes (G2V, V2G) to guarantee power loss reduction, voltage profile maintaining and load current balancing. The introduced algorithm can perform an optimal calculation to determine proper phase for PEVsin distribution feeders and decline the unbalancing by deploying a new device called Phase Switcher which is in series with chargers in residential buildings. The phase switcher is connected to the Smart Load Management Center (SLMC) which it uses the proposed algorithm to determine the proper phase for connection or disconnection of PEVs and finding the appropriate numbers of PEVs. To show the effectiveness of the proposed algorithm, simulation results are provided.",
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Charging Coordination and Load Balancing of Plug-in Electric Vehicles in Unbalanced Low-Voltage Distribution Systems. / Kikhanadi, Mohammad Reza ; Hajizadeh, Amin; Shahirinia, Amir.

I: IET Generation, Transmission & Distribution, 2020.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

TY - JOUR

T1 - Charging Coordination and Load Balancing of Plug-in Electric Vehicles in Unbalanced Low-Voltage Distribution Systems

AU - Kikhanadi, Mohammad Reza

AU - Hajizadeh, Amin

AU - Shahirinia, Amir

PY - 2020

Y1 - 2020

N2 - Plug-in electric vehicles (PEVs) are gaining popularity as a solution to reduce greenhouse gas production. On the other hand, uncoordinated charging of PEVs is a reason for grid stress and increasing of congestion, total power consumption (TPC) and distribution lines and transformers losses. Moreover, single-phase connection of EVs in residential buildings causes line current imbalance and it has more negative effects on TPC and power losses. Thus, they are characterized as unbalanced loads with random locations, plug-in times, charging rates and durations. Hence, in this paper, a charging coordination algorithm is proposed to utilize the integration of PEVs in both operational modes (G2V, V2G) to guarantee power loss reduction, voltage profile maintaining and load current balancing. The introduced algorithm can perform an optimal calculation to determine proper phase for PEVsin distribution feeders and decline the unbalancing by deploying a new device called Phase Switcher which is in series with chargers in residential buildings. The phase switcher is connected to the Smart Load Management Center (SLMC) which it uses the proposed algorithm to determine the proper phase for connection or disconnection of PEVs and finding the appropriate numbers of PEVs. To show the effectiveness of the proposed algorithm, simulation results are provided.

AB - Plug-in electric vehicles (PEVs) are gaining popularity as a solution to reduce greenhouse gas production. On the other hand, uncoordinated charging of PEVs is a reason for grid stress and increasing of congestion, total power consumption (TPC) and distribution lines and transformers losses. Moreover, single-phase connection of EVs in residential buildings causes line current imbalance and it has more negative effects on TPC and power losses. Thus, they are characterized as unbalanced loads with random locations, plug-in times, charging rates and durations. Hence, in this paper, a charging coordination algorithm is proposed to utilize the integration of PEVs in both operational modes (G2V, V2G) to guarantee power loss reduction, voltage profile maintaining and load current balancing. The introduced algorithm can perform an optimal calculation to determine proper phase for PEVsin distribution feeders and decline the unbalancing by deploying a new device called Phase Switcher which is in series with chargers in residential buildings. The phase switcher is connected to the Smart Load Management Center (SLMC) which it uses the proposed algorithm to determine the proper phase for connection or disconnection of PEVs and finding the appropriate numbers of PEVs. To show the effectiveness of the proposed algorithm, simulation results are provided.

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DO - 10.1049/iet-gtd.2019.0397

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JO - IET Generation, Transmission & Distribution

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SN - 1751-8687

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