Design, Construction and Measurement of a Laminated Transverse Flux Machine

This paper presents the design, construction and measurements on a transverse flux machine. The lamination concept is designed for easy fabrication and low iron losses. For a good flux guidance and a high magnetic field, electrical sheet is used for the soft magnetic circuit. The design of the machine is performed with a fast semi-analytical calculation and validated by 3D finite element analysis. The calculated quantities are compared with measurements on a prototype. Despite certain deviations, the measurements show good agreement with the calculations for the induced voltage and torque. In terms of efficiency, however, the measurement deviates significantly from the simulation. This is due to the iron losses being calculated much too small, which is evident from the separation of the measured losses.