{"content":[{"text":"Figure.1. Trend in volumetric power density of commercially available traction motors from the year 2004 to 2020.","bbox":{"left":0.117628,"top":0.319461,"width":0.775325,"height":0.01578400000000002}},{"text":"Figure.2. Trend in gravimetric power density of commercially available traction motors from the year 2003 to 2020.","bbox":{"left":0.115409,"top":0.594039,"width":0.781004,"height":0.01578400000000002}},{"text":"capabilities of different traction motors have been reviewed in \n several papers [4] [23] consists of the comparison of \n synchronous motors, internal permanent magnet synchronous \n motors, and induction motors. The efficiency and cost factors \n of DC motors, induction motors, switched reluctance motors, \n permanent magnet-based motors, and flux switching motors \n for traction applications have been reviewed in another paper \n [5]. However, the existing literature review of different \n topologies of traction motors is not extensive and design \n matrices have not been profiled. A study of torque capabilities \n of several types of permanent magnet synchronous motors \n employed in traction applications has been reviewed in this \n paper. Volumetric power density and gravimetric power \n density of traction motors have been profiled. An extensive list \n of specifications of traction motors used in Battery Operated \n Electric Vehicles (BEV), Hybrid Electric Vehicles (HEV), \n Plugin Hybrid Electric Vehicles (PHEV), and Fuel Cell","bbox":{"left":0.0714,"top":0.63096,"width":0.418455,"height":0.2235410000000001}},{"text":"Electric Vehicles (FCEV) have been listed in TABLE 2. \n Permanent Magnet Assisted Synchronous Reluctance Motor \n (PMSynRM), Induction Motor (IM), and Internal Permanent \n Magnet Synchronous Motor (IPMSM) are popular among \n electric vehicle traction applications. \n Wound field induction motors are known for poor power \n factor and low power density because of the presence of copper \n winding on the rotor in addition to the stator of the motor. \n Classical wound field machines have been designed to operate \n from pure AC may often need power electronic converters to \n control speed and torque. The field winding is eliminated by \n inclusion of permanent magnets in the electric motors come \n with the advantages of high volumetric power density (VPD) \n and gravimetric power density (GPD). Improvement in power \n factor, high torque per Ampere capability and extended \n constant speed region operation of permanent magnet motors \n fit them well for electric vehicle traction applications.","bbox":{"left":0.510404,"top":0.63096,"width":0.418374,"height":0.230669}}],"images_bbox":[],"images_bbox_not_text_overlap":[]}