1232 アキシャルセルフベアリングモータ/ジェネレータの発電特性および制御方法の検討(磁気浮上・磁気軸受の制御(1))

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This paper describes the axial force and rotating torque characteristics of the axial self-bearing motor using as a generator. The axial self-bearing motor is a combination of an axial magnetic bearing and a disc motor, and performs position control of the axial position of the rotor and generating of rotating torque. Since a single rotating magnetic field controls axial position and generates rotating torque, it has simple structure and control system. The axial self-bearing motor has the same structure as the usual AC motor, then it can be used also as a generator. It aims at controlling a rotor position by the electric power generated with the axial self-bearing generator. Furthermore, it is examined whether it is possible to generate the electric power for driving other radial bearings and external apparatus. In this paper, the voltage-current relationship of an axial self-bearing motor/generator is derived, and the characteristics axial force and rotating torque is examined when 3-phase equilibrium load is connected. The result of analysis is confirmed by simple experiment.
社団法人日本機械学会の論文
2007-08-08