Abstract
Abstract:There are two topologies for non-slotted double-sided axial flux PM (AFPM) motors.The stator of the non-slotted AFPM machine is realized by non-slotted tape wound corewith AC polyphase air gap windings and the rotor structure is formed by axiallymagnetized fan-shaped surface mounted Neodymium Iron Boron (NdFeB) permanentmagnets. Selecting an AFPM motors with high power density is an important parameterin applications. So, comparison of power density between different topologies ofdouble-sided AFPM motors seems to be necessary.In this paper, the sizing equations of axial flux non-slotted one-stator-two-rotor(TORUS) and two-stator-one-rotor (AFIR) type PM motors is presented andcomparison of the TORUS and AFIR topologies in terms of power density is illustrated.Finally a high power non-slotted double-sided AFPM motor is introduced in the paper.
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