Abstract For application in electric vehicle, the high-voltage battery is charged through off-board or on-board battery charger. Utilization of existing traction motor and the inverter to construct AC-DC rectifier can save the hardware effectively and improve the charging power. The challenge of this strategy is how to eliminate the torque and vibration by the winding AC current during connecting to grid. This paper introduces effective methods to eliminate the torque and to make this strategy reliable and practical. The essence of the proposed methods is controlling the magneto-motive force (MMF) and regulating the spatial relationship between armature magnetic field and permanent magnetic field. These works aim to provide practical and effective solutions for on-board charging.
Jiang Dong,Gao Jialou,Li Boyang等. Introduction of Integrated Motor Drive-Charger Technologies for Electric Vehicle with Zero Torque[J]. Transactions of China Electrotechnical Society, 2022, 37(19): 4862-4871.
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