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Characteristics and analysis of the permanent magnet synchronous motor with closed slot stator core for position sensorless drive

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5 Author(s)
Baba, T. ; Dept. of Electr. Eng., Meiji Univ., Kawasaki, Japan ; Masukane, I. ; Matsuse, K. ; Ohta, H.
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This paper describes a method to estimate rotor position at stand-still mode and characteristics of motor efficiency at driving mode of a permanent magnet synchronous motor without position sensor. The motor, which is additionally examined for the stator core and has a structure with closed stator slot, is partially saturated at saturable yoke by small armature current. The estimation is performed by using a vector locus of armature current response at partial magnetic saturation. We can obtain the estimation result of a maximum error, 11 degrees, in electrical angle with 6 percent of rated current

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Power Conversion Conference, 2002. PCC-Osaka 2002. Proceedings of the  (Volume:1 )

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