An optimal charging/discharging strategy for smart electrical car parks

He, T; Zhu, J; Zhang, J; Zheng, L

An optimal charging/discharging strategy for smart electrical car parks

He, T Zhu, J

Zhang, J

Zheng, L

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Publisher:: IEEE, CMP
Publication Type:: Journal Article
Citation:: Chinese Journal of Electrical Engineering, 2018, 4, (2), pp. 28-25
Issue Date:: 2018-07-12

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Field	Value	Language
dc.contributor.author	He, T
dc.contributor.author	Zhu, J https://orcid.org/0000-0002-9763-4047
dc.contributor.author	Zhang, J https://orcid.org/0000-0001-5304-6297
dc.contributor.author	Zheng, L
dc.date.accessioned	2022-09-03T22:37:43Z
dc.date.available	2018-06-30
dc.date.available	2022-09-03T22:37:43Z
dc.date.issued	2018-07-12
dc.identifier.citation	Chinese Journal of Electrical Engineering, 2018, 4, (2), pp. 28-25
dc.identifier.issn	2096-1529
dc.identifier.issn	2096-1529
dc.identifier.uri	http://hdl.handle.net/10453/161302
dc.description.abstract	This paper presents a smart electrical car park model where the power flows among electrical vehicles(EVs) as well as between EVs and the main grid. Based on this model, an optimal charging/discharging scheme is proposed. The fluctuation of hourly electricity rates is considered in this strategy to select a proper charging/discharging rate for each EV with less expenditure during each charging period. The proposed smart electrical car park is able to buy or sell electricity in the form of active and/or reactive power, i.e. kWh and/or kVARh, from or to the main grid to improve the power quality. According to the current state of charge of the EV's battery bank, customers and the grid demands, a control center makes the decisions and sends the instructions of specific charging/discharging mode to each charging station. The performance of the proposed charging/discharging algorithm is simulated in Matlab. A comparison between the proposed and the unregulated charging/discharging strategies has been implemented. The results demonstrate that the proposed scheme can achieve better economic profits for EV customers and increase the commercial benefits for the car park owner.
dc.language	en
dc.publisher	IEEE, CMP
dc.relation.ispartof	Chinese Journal of Electrical Engineering
dc.relation.isbasedon	10.23919/CJEE.2018.8409347
dc.rights	info:eu-repo/semantics/closedAccess
dc.title	An optimal charging/discharging strategy for smart electrical car parks
dc.type	Journal Article
utslib.citation.volume	4
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Students
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
utslib.copyright.status	closed_access	*
pubs.consider-herdc	false
dc.date.updated	2022-09-03T22:37:42Z
pubs.issue	2
pubs.publication-status	Published online
pubs.volume	4
utslib.citation.issue	2

Abstract:

This paper presents a smart electrical car park model where the power flows among electrical vehicles(EVs) as well as between EVs and the main grid. Based on this model, an optimal charging/discharging scheme is proposed. The fluctuation of hourly electricity rates is considered in this strategy to select a proper charging/discharging rate for each EV with less expenditure during each charging period. The proposed smart electrical car park is able to buy or sell electricity in the form of active and/or reactive power, i.e. kWh and/or kVARh, from or to the main grid to improve the power quality. According to the current state of charge of the EV's battery bank, customers and the grid demands, a control center makes the decisions and sends the instructions of specific charging/discharging mode to each charging station. The performance of the proposed charging/discharging algorithm is simulated in Matlab. A comparison between the proposed and the unregulated charging/discharging strategies has been implemented. The results demonstrate that the proposed scheme can achieve better economic profits for EV customers and increase the commercial benefits for the car park owner.

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http://hdl.handle.net/10453/161302