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Single-Phase Bidirectional On-Board Charger Using Starter Generator System in Hybrid Electric Vehicles

Department of Electrical and Computer Engineering, Ajou University, 206, World cup-ro, Yeongtong-gu, Suwon 16499, Korea
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Electronics 2018, 7(11), 287; https://doi.org/10.3390/electronics7110287
Received: 6 October 2018 / Revised: 26 October 2018 / Accepted: 28 October 2018 / Published: 1 November 2018
(This article belongs to the Special Issue Renewable Electric Energy Systems)
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. View Full-Text
Keywords: hybrid electric vehicles (HEVs); bidirectional on-board charger (OBC); grid to vehicle (G2V); vehicle to grid (V2G); hybrid starter generator (HSG) system; reactive power support hybrid electric vehicles (HEVs); bidirectional on-board charger (OBC); grid to vehicle (G2V); vehicle to grid (V2G); hybrid starter generator (HSG) system; reactive power support
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MDPI and ACS Style

Kim, S.-M.; Kang, H.-S.; Lee, K.-B. Single-Phase Bidirectional On-Board Charger Using Starter Generator System in Hybrid Electric Vehicles. Electronics 2018, 7, 287. https://doi.org/10.3390/electronics7110287

AMA Style

Kim S-M, Kang H-S, Lee K-B. Single-Phase Bidirectional On-Board Charger Using Starter Generator System in Hybrid Electric Vehicles. Electronics. 2018; 7(11):287. https://doi.org/10.3390/electronics7110287

Chicago/Turabian Style

Kim, Seok-Min; Kang, Ho-Sung; Lee, Kyo-Beum. 2018. "Single-Phase Bidirectional On-Board Charger Using Starter Generator System in Hybrid Electric Vehicles" Electronics 7, no. 11: 287. https://doi.org/10.3390/electronics7110287

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