Onboard Battery Chargers for Plug-in Electric Vehicles With Dual Functional Circuit for Low-Voltage Battery Charging and Active Power Decoupling

This paper proposes a single-phase onboard battery charger (OBC) for plug-in electric vehicles, where the low-voltage (LV) battery charging circuit is utilized for an active power decoupling function. The OBC is operated in three different modes by sharing the transformer, switches, and capacitors....

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Autores principales:	Hoang Vu Nguyen, Dinh-Du To, Dong-Choon Lee
Formato:	article
Lenguaje:	EN
Publicado:	IEEE 2018
Materias:	Active power decoupling electric vehicles onboard battery charger single-phase chargers Electrical engineering. Electronics. Nuclear engineering TK1-9971
Acceso en línea:	https://doaj.org/article/7d3c3660e57841b0bfabd2585969ff66
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spelling	oai:doaj.org-article:7d3c3660e57841b0bfabd2585969ff662021-11-19T00:02:31ZOnboard Battery Chargers for Plug-in Electric Vehicles With Dual Functional Circuit for Low-Voltage Battery Charging and Active Power Decoupling2169-353610.1109/ACCESS.2018.2876645https://doaj.org/article/7d3c3660e57841b0bfabd2585969ff662018-01-01T00:00:00Zhttps://ieeexplore.ieee.org/document/8496744/https://doaj.org/toc/2169-3536This paper proposes a single-phase onboard battery charger (OBC) for plug-in electric vehicles, where the low-voltage (LV) battery charging circuit is utilized for an active power decoupling function. The OBC is operated in three different modes by sharing the transformer, switches, and capacitors. For a grid-to-vehicle mode or a vehicle-to-grid mode, the LV battery charging circuit serves as an active filter to eliminate the low-frequency power ripple at the DC link. Thus, the small film capacitors can be employed instead of large capacitors at the DC link. For the third operating mode, where the LV battery is charged from the HV battery, the isolation is provided by the dual active bridge (DAB) DC-DC converter. Since some components in the proposed OBC are used in common, the size and cost of the OBC can be reduced significantly. The simulation and experimental results have verified the validity of the proposed system.Hoang Vu NguyenDinh-Du ToDong-Choon LeeIEEEarticleActive power decouplingelectric vehiclesonboard battery chargersingle-phase chargersElectrical engineering. Electronics. Nuclear engineeringTK1-9971ENIEEE Access, Vol 6, Pp 70212-70222 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Active power decoupling electric vehicles onboard battery charger single-phase chargers Electrical engineering. Electronics. Nuclear engineering TK1-9971
spellingShingle	Active power decoupling electric vehicles onboard battery charger single-phase chargers Electrical engineering. Electronics. Nuclear engineering TK1-9971 Hoang Vu Nguyen Dinh-Du To Dong-Choon Lee Onboard Battery Chargers for Plug-in Electric Vehicles With Dual Functional Circuit for Low-Voltage Battery Charging and Active Power Decoupling
description	This paper proposes a single-phase onboard battery charger (OBC) for plug-in electric vehicles, where the low-voltage (LV) battery charging circuit is utilized for an active power decoupling function. The OBC is operated in three different modes by sharing the transformer, switches, and capacitors. For a grid-to-vehicle mode or a vehicle-to-grid mode, the LV battery charging circuit serves as an active filter to eliminate the low-frequency power ripple at the DC link. Thus, the small film capacitors can be employed instead of large capacitors at the DC link. For the third operating mode, where the LV battery is charged from the HV battery, the isolation is provided by the dual active bridge (DAB) DC-DC converter. Since some components in the proposed OBC are used in common, the size and cost of the OBC can be reduced significantly. The simulation and experimental results have verified the validity of the proposed system.
format	article
author	Hoang Vu Nguyen Dinh-Du To Dong-Choon Lee
author_facet	Hoang Vu Nguyen Dinh-Du To Dong-Choon Lee
author_sort	Hoang Vu Nguyen
title	Onboard Battery Chargers for Plug-in Electric Vehicles With Dual Functional Circuit for Low-Voltage Battery Charging and Active Power Decoupling
title_short	Onboard Battery Chargers for Plug-in Electric Vehicles With Dual Functional Circuit for Low-Voltage Battery Charging and Active Power Decoupling
title_full	Onboard Battery Chargers for Plug-in Electric Vehicles With Dual Functional Circuit for Low-Voltage Battery Charging and Active Power Decoupling
title_fullStr	Onboard Battery Chargers for Plug-in Electric Vehicles With Dual Functional Circuit for Low-Voltage Battery Charging and Active Power Decoupling
title_full_unstemmed	Onboard Battery Chargers for Plug-in Electric Vehicles With Dual Functional Circuit for Low-Voltage Battery Charging and Active Power Decoupling
title_sort	onboard battery chargers for plug-in electric vehicles with dual functional circuit for low-voltage battery charging and active power decoupling
publisher	IEEE
publishDate	2018
url	https://doaj.org/article/7d3c3660e57841b0bfabd2585969ff66
work_keys_str_mv	AT hoangvunguyen onboardbatterychargersforpluginelectricvehicleswithdualfunctionalcircuitforlowvoltagebatterychargingandactivepowerdecoupling AT dinhduto onboardbatterychargersforpluginelectricvehicleswithdualfunctionalcircuitforlowvoltagebatterychargingandactivepowerdecoupling AT dongchoonlee onboardbatterychargersforpluginelectricvehicleswithdualfunctionalcircuitforlowvoltagebatterychargingandactivepowerdecoupling
_version_	1718420676189093888

Onboard Battery Chargers for Plug-in Electric Vehicles With Dual Functional Circuit for Low-Voltage Battery Charging and Active Power Decoupling

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