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

Electronics

Ho-Sung Kang¹  Seok-Min Kim¹  Kyo-Beum Lee¹ 

[1] Department of Electrical and Computer Engineering, Ajou University, 206, World cup-ro, Yeongtong-gu, Suwon 16499, Korea;

关键词: 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;   

DOI  :  10.3390/electronics7110287

来源: DOAJ

【 摘 要 】

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.

【 授权许可】

Unknown