Analyzing Integrated Renewable Energy and Smart-Grid Systems to Improve Voltage Quality and Harmonic Distortion Losses at Electric-Vehicle Charging Stations

Increasing the use of electric vehicles (EVs) is regarded as a step in the right direction to reduce air pollution and carbon emissions. However, a dramatic increase of EV and charging stations has raised voltage quality and harmonic distortion issues that affect the performance of integrated renewa...

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Main Authors: Asif Khan, Saim Memon, Tariq Pervez Sattar
Format: Article
Language:English
Published: IEEE 2018-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/8347014/
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author Asif Khan
Saim Memon
Tariq Pervez Sattar
author_facet Asif Khan
Saim Memon
Tariq Pervez Sattar
author_sort Asif Khan
collection DOAJ
description Increasing the use of electric vehicles (EVs) is regarded as a step in the right direction to reduce air pollution and carbon emissions. However, a dramatic increase of EV and charging stations has raised voltage quality and harmonic distortion issues that affect the performance of integrated renewable power sources (wind and solar) and smart-grid electrical transmission networks. This paper models an integrated electric vehicle charging and battery storage system operating in the presence of unpredictable wind and solar power sources. The aim is to enable the design of an electrical control system that develops the correct duty cycle to stabilize and regulate the voltage at the dc/dc power conversion station. Simulations are performed to evaluate energy management by the proposed control system. The proposed system effectively manages the electric power on the grid by drawing power from the batteries at peak times and then charging them in off-peak times, reducing the load on the converter and enabling the reduction of charging time for electric vehicles. A constant voltage is achieved on the grid irrespective of fluctuations in renewable energy generation and in the load.
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spelling doaj.art-319d71355c9349abbdb40e2e1f3e28602022-12-21T22:11:56ZengIEEEIEEE Access2169-35362018-01-016264042641510.1109/ACCESS.2018.28301878347014Analyzing Integrated Renewable Energy and Smart-Grid Systems to Improve Voltage Quality and Harmonic Distortion Losses at Electric-Vehicle Charging StationsAsif Khan0https://orcid.org/0000-0002-6149-5225Saim Memon1Tariq Pervez Sattar2Division of Electrical and Electronic Engineering, School of Engineering, London South Bank University, London, U.K.Division of Electrical and Electronic Engineering, School of Engineering, London South Bank University, London, U.K.Division of Electrical and Electronic Engineering, School of Engineering, London South Bank University, London, U.K.Increasing the use of electric vehicles (EVs) is regarded as a step in the right direction to reduce air pollution and carbon emissions. However, a dramatic increase of EV and charging stations has raised voltage quality and harmonic distortion issues that affect the performance of integrated renewable power sources (wind and solar) and smart-grid electrical transmission networks. This paper models an integrated electric vehicle charging and battery storage system operating in the presence of unpredictable wind and solar power sources. The aim is to enable the design of an electrical control system that develops the correct duty cycle to stabilize and regulate the voltage at the dc/dc power conversion station. Simulations are performed to evaluate energy management by the proposed control system. The proposed system effectively manages the electric power on the grid by drawing power from the batteries at peak times and then charging them in off-peak times, reducing the load on the converter and enabling the reduction of charging time for electric vehicles. A constant voltage is achieved on the grid irrespective of fluctuations in renewable energy generation and in the load.https://ieeexplore.ieee.org/document/8347014/Smart gridelectrical systemsvoltage qualityelectric vehicleac/dc conversion
spellingShingle Asif Khan
Saim Memon
Tariq Pervez Sattar
Analyzing Integrated Renewable Energy and Smart-Grid Systems to Improve Voltage Quality and Harmonic Distortion Losses at Electric-Vehicle Charging Stations
IEEE Access
Smart grid
electrical systems
voltage quality
electric vehicle
ac/dc conversion
title Analyzing Integrated Renewable Energy and Smart-Grid Systems to Improve Voltage Quality and Harmonic Distortion Losses at Electric-Vehicle Charging Stations
title_full Analyzing Integrated Renewable Energy and Smart-Grid Systems to Improve Voltage Quality and Harmonic Distortion Losses at Electric-Vehicle Charging Stations
title_fullStr Analyzing Integrated Renewable Energy and Smart-Grid Systems to Improve Voltage Quality and Harmonic Distortion Losses at Electric-Vehicle Charging Stations
title_full_unstemmed Analyzing Integrated Renewable Energy and Smart-Grid Systems to Improve Voltage Quality and Harmonic Distortion Losses at Electric-Vehicle Charging Stations
title_short Analyzing Integrated Renewable Energy and Smart-Grid Systems to Improve Voltage Quality and Harmonic Distortion Losses at Electric-Vehicle Charging Stations
title_sort analyzing integrated renewable energy and smart grid systems to improve voltage quality and harmonic distortion losses at electric vehicle charging stations
topic Smart grid
electrical systems
voltage quality
electric vehicle
ac/dc conversion
url https://ieeexplore.ieee.org/document/8347014/
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AT tariqpervezsattar analyzingintegratedrenewableenergyandsmartgridsystemstoimprovevoltagequalityandharmonicdistortionlossesatelectricvehiclechargingstations