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Single-phase bidirectional on-board charger using starter generator system in hybrid electric vehiclesoa mark
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Publication Year
2018-11-01
Journal
Electronics (Switzerland)
Publisher
MDPI AG
Citation
Electronics (Switzerland), Vol.7 No.11
Keyword
Bidirectional on-board charger (OBC)Grid to vehicle (G2V)Hybrid electric vehicles (HEVs)Hybrid starter generator (HSG) systemReactive power supportVehicle to grid (V2G)
All Science Classification Codes (ASJC)
Control and Systems EngineeringSignal ProcessingHardware and ArchitectureComputer Networks and CommunicationsElectrical and Electronic Engineering
Abstract
This paper presents the design and control methods of a single-phase bidirectional on-board charger (OBC) using a hybrid starter generator (HSG) and an inverter in a hybrid electric vehicle (HEV). In an HEV, there are a number of components, including the combustion engine, transmission, traction motor, motor controller, OBC, and HSG system. The proposed design reconfigures the HSG system to provide battery-charging capability instead of a conventional OBC based on the use of additional power relays. As a result, the number of power converters is effectively reduced through the replacement of the conventional OBC, and, thus, the power density is increased. This paper also proposes a control method for enabling not only battery charging but also a reactive power support depending on the grid command. Compared with a conventional reactive power compensation method, the proposed method has an advantage because it is located near the principal reactive power source. The simulation and experimental results verify the validity and feasibility of the proposed bidirectional OBC design and its control methods.
ISSN
2079-9292
Language
eng
URI
https://aurora.ajou.ac.kr/handle/2018.oak/30453
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85056218511&origin=inward
DOI
https://doi.org/10.3390/electronics7110287
Journal URL
https://www.mdpi.com/2079-9292/7/11/287/pdf
Type
Article
Funding
This work was supported by the Korea Institute of Energy Technology Evaluation and Planning (KETEP) and the Ministry of Trade, Industry and Energy (MOTIE) of the Republic of Korea (No. 20171210201100) and \u201cHuman Resources Program in Energy Technology\u201d of the Korea Institute of Energy Technology Evaluation and Planning (KETEP), granted financial resource from the Ministry of Trade, Industry and Energy, Republic of Korea. (No. 20174030201660).
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