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Accurate knowledge of magnetic field distribution of a machine is essential aspect for its design. Magnetic flux density is useful for estimation of machine performance such as induced voltage, cogging force/torque, force/torque, and flux weakening capability of the machine. Moreover, it is also helpful for performance prediction and optimization. In this paper analytically no load magnetic fields...
This paper presents no load magnetic field analysis of a double-sided linear tubular permanent magnet machine (DSLTPM) with a radially magnetized permanent magnet mover and iron-cored stator winding by using analytical method. Knowledge of magnetic field distribution inside the machine is essential for optimal design of machine. The field distribution is obtained by use of magnetic vector potential...
The paper presents the analytical analysis of a new type of linear tubular permanent magnet machine which uses radially magnetized magnets. These magnets have been magnetized in stepped manner instead of uniform magnetization over the complete length. The stepped magnetized magnets improve the sinusoidal nature of the waveforms of radial flux density and induced emf by reducing their harmonics contents...
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