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Fractional slot-concentrated wound interior permanent magnet synchronous machines (FSCW- IPMSM) display high power density and high efficiency due to the short stator end windings and absence of rotor windings. The purpose of this paper is to analyze the efficiency of a 42-pole/54-slot FSCW-IPMSM under three commonly used current reference trajectory control algorithms namely zero direct axis current...
An analytical modelling technique to calculate the generated magneto-motive force (MMF) and back-EMF of fractional slot concentrated wound (FSCW) permanent magnet synchronous machines (PMSMs) is reported. The generated MMF of a FSCW stator is analyzed and modelled using a Fourier series technique. General expressions of the harmonic winding factors for FCSW stators with different slot-pole combinations...
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