Abstract
The described design of a permanent magnet synchronous motor for battery electric vehicles is based on a drive cycle. For a given vehicle a set of operating points of the electric machine can be derived from the cycle. The next step in the design of the traction motor is to find a suitable lamination layout. Common motor design procedures take only a few representative operating points into account. This paper describes an approach which includes a large number of operating points at early stages of the motor design process. It is based on a specialized motor model and an optimization strategy which are described in this paper. As an example a traction motor for the VW Golf CityStromer is designed by using the proposed method.
Highlights
In this paper an approach to the design of the electric traction motor of a battery electric vehicle is described
The described design of a permanent magnet synchronous motor for battery electric vehicles is based on a drive cycle
This paper describes an approach which includes a large number of operating points at early stages of the motor design process
Summary
In this paper an approach to the design of the electric traction motor of a battery electric vehicle is described. Each operating point of the electric machine is defined by a certain torque Top and speed nop. These points depend on the drive cycle and the battery electric vehicle itself [8]. An electric machine designer has to define the parameters of a lamination layout as it is shown in figure 5. The computational effort is reduced by using a specialized motor model in combination with an optimization algorithm This can be used to divide the torque speed plane into a larger number of areas
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