Performance Calculation of Wound Field Synchronous Motors as the Traction Motor for Vehicles

Shigeo Sakurai
EV Components Advance Development Sec., Core & Product Technologies Development Dept., Product Technology Research Laboratories,
MEIDENSHA CORPORATION

Abstract

For the traction motor for vehicles, the high efficiency in low-torque region for city driving mode is required. The use of the wound field synchronous motor (WFSM) is expected to improve efficiency in the medium- and high-speed low-torque region for the interior permanent magnet synchronous motor (IPMSM), which has been conventionally used.
On the other hand, the designing method of WFSM is different from IPMSM, for example, the number of current parameters and the magnetic saliency.
In this presentation, we calculated the torque performance and efficiency of WFSM as the traction motor for vehicles, and compared with IPMSM.

Performance Calculation of Wound Field Synchronous Motor as the Traction Motor for Vehicles

Performance Calculation of Wound Field Synchronous Motor as the Traction Motor for Vehicles

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