A Compact Electric Motor Integrated Onboard Charging System for Electric Vehicles

被引：0
|
作者：
Shi C. [1 ]
Sankar A. [2 ]
Zou S. [3 ,5 ]
Zhang Z. [4 ]
Khaligh A. [3 ,5 ]
机构：
[1] Analog Devices, United States
[2] Daimler, United States
[3] University of Maryland, United States
[4] AmpX Technologies, United Kingdom
[5] University of Maryland, United States
来源：
SAE International Journal of Connected and Automated Vehicles | 2020年 / 3卷 / 02期
关键词：
Electric vehicles; Integrated; Onboard charger;
D O I：
10.4271/12-03-02-0010
中图分类号：
学科分类号：
摘要：
In this work, a three-phase integrated onboard battery charger is investigated and implemented for electric vehicle (EV) applications. A three-switch add-on interface is introduced to connect with the inverter and the motor windings, such that a two-channel interleaved boost converter is formed for the battery charging. The detailed system analysis, design methodology, and control strategy are discussed. Moreover, a simulation study is carried out to validate the effectiveness of the proposed integrated charger. As verification, a 5 kW liquid-cooled prototype is built and tested. The proposed integrated charging system achieves a power factor of 0.99, and total harmonic distortion (THD) of 4.82% at 5 kW with an efficiency of 93.2%. ©
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