Four-quadrant operations of bidirectional chargers for electric vehicles in smart car parks: G2v, v2g, and v4g

He, T; Lu, DDC; Wu, M; Yang, Q; Li, T; Liu, Q

Four-quadrant operations of bidirectional chargers for electric vehicles in smart car parks: G2v, v2g, and v4g

He, T Lu, DDC Wu, M Yang, Q Li, T Liu, Q

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Publisher:: MDPI AG
Publication Type:: Journal Article
Citation:: Energies, 2021, 14, (1), pp. 1-17
Issue Date:: 2021-01-01

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Field	Value	Language
dc.contributor.author	He, T
dc.contributor.author	Lu, DDC
dc.contributor.author	Wu, M
dc.contributor.author	Yang, Q
dc.contributor.author	Li, T
dc.contributor.author	Liu, Q
dc.date.accessioned	2022-03-21T04:57:59Z
dc.date.available	2022-03-21T04:57:59Z
dc.date.issued	2021-01-01
dc.identifier.citation	Energies, 2021, 14, (1), pp. 1-17
dc.identifier.issn	1996-1073
dc.identifier.issn	1996-1073
dc.identifier.uri	http://hdl.handle.net/10453/155420
dc.description.abstract	This paper presents the four-quadrant operation modes of bidirectional chargers for electric vehicles (EVs) framed in smart car parks. A cascaded model predictive control (MPC) scheme for the bidirectional two-stage off-board chargers is proposed. The controller is constructed in two stages. The model predictive direct power control for the grid side is applied to track the active/reactive power references. The model predictive direct current control is proposed to achieve constant current charging/discharging for the EV load side. With this MPC strategy, EV chargers are able to transmit the active and reactive powers between the EV batteries and the power grid. Apart from exchanging the active power, the vehicle-for-grid (V4G) mode is proposed, where the chargers are used to deliver the reactive power to support the grid, simultaneously combined with grid-to-vehicle or vehicleto-grid operation modes. In the V4G mode, the EV battery functions as the static var compensator. According to the simulation results, the system can operate effectively in the full control regions of the active and reactive power (PQ) plane under the aforementioned operation modes. Fast dynamic response and great steady-state system performances can be verified through various simulation and experimental results.
dc.language	en
dc.publisher	MDPI AG
dc.relation.ispartof	Energies
dc.relation.isbasedon	10.3390/en14010181
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	02 Physical Sciences, 09 Engineering
dc.title	Four-quadrant operations of bidirectional chargers for electric vehicles in smart car parks: G2v, v2g, and v4g
dc.type	Journal Article
utslib.citation.volume	14
utslib.for	02 Physical Sciences
utslib.for	09 Engineering
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/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
utslib.copyright.status	open_access	*
pubs.consider-herdc	false
dc.date.updated	2022-03-21T04:57:55Z
pubs.issue	1
pubs.publication-status	Published
pubs.volume	14
utslib.citation.issue	1

Abstract:

This paper presents the four-quadrant operation modes of bidirectional chargers for electric vehicles (EVs) framed in smart car parks. A cascaded model predictive control (MPC) scheme for the bidirectional two-stage off-board chargers is proposed. The controller is constructed in two stages. The model predictive direct power control for the grid side is applied to track the active/reactive power references. The model predictive direct current control is proposed to achieve constant current charging/discharging for the EV load side. With this MPC strategy, EV chargers are able to transmit the active and reactive powers between the EV batteries and the power grid. Apart from exchanging the active power, the vehicle-for-grid (V4G) mode is proposed, where the chargers are used to deliver the reactive power to support the grid, simultaneously combined with grid-to-vehicle or vehicleto-grid operation modes. In the V4G mode, the EV battery functions as the static var compensator. According to the simulation results, the system can operate effectively in the full control regions of the active and reactive power (PQ) plane under the aforementioned operation modes. Fast dynamic response and great steady-state system performances can be verified through various simulation and experimental results.

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http://hdl.handle.net/10453/155420