Analysing integrated renewable energy and smart-grid systems to improve voltage quality and harmonic distortion losses at electric-vehicle charging stations
Journal article
Khan, A, Memon, S and Sattar, TP (2018). Analysing integrated renewable energy and smart-grid systems to improve voltage quality and harmonic distortion losses at electric-vehicle charging stations. IEEE Access. pp. 26404-26415. https://doi.org/10.1109/ACCESS.2018.2830187
Authors | Khan, A, Memon, S and Sattar, TP |
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Abstract | Increasing the use of Electric-Vehicles (EV) 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 stabilise 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. |
Keywords | Smart Grid; Electrical Systems; Voltage Quality; Electric Vehicle; AC/DC conversion |
Year | 2018 |
Journal | IEEE Access |
Journal citation | pp. 26404-26415 |
Publisher | Institute of Electrical and Electronics Engineers (IEEE) |
ISSN | 2169-3536 |
Digital Object Identifier (DOI) | https://doi.org/10.1109/ACCESS.2018.2830187 |
Publication dates | |
25 Apr 2018 | |
Publication process dates | |
Deposited | 28 Apr 2018 |
Accepted | 25 Apr 2018 |
Publisher's version | License File Access Level Open |
Accepted author manuscript | License File Access Level Controlled |
https://openresearch.lsbu.ac.uk/item/86v21
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