MOTORS AND GENERATORS

Permanent-magnet-excited electrical devices are becoming more and more important as demands for improved mechanical and energy efficieny grow. Nevertheless, the required properties can no longer be determined or simulated exclusively by classical analytical methods. The use of software tools based on the finite element method (FEM) is therefore particularly in the case of complex laminations and saturation – and enables their optimisation to achieve the device parameters required.

The simulation of the magnetic field at the beginning of a development process is essential to ensure the optimum design of the magnetic circuit. In addition to the ideal utilisation of the materials employed, this step is also used to determinde other important properties, such as the rotor-position-dependent induced voltage.

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