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This paper presents the design and performance analysis of a three-phase three-stack transverse flux motor with a modified double-sided stator and a permanent magnet (PM)flux concentrating rotor. Both stator and rotor cores employ SOMALOYtrade 500, a new soft magnetic composite (SMC) material specially developed for electrical machine application. By taking advantage of the unique properties of SMC, such as the magnetic isotropy, the motor is designed with three-dimensional (3D) magnetic flux path. To accurately compute the motor parameters and performance, improved formulations are applied in combination with 3D magnetic field finite element analysis. The designed motor shows superior characteristics to laminated machines.