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The Disk Brushless Doubly-Fed Machine (DBDFM) has short axial length, large power density and high operational performance besides all advantages of the conventional Brushless Doubly-Fed Machine (BDFM). In this paper, design method of DBDFM has been presented and mathematic model of the DBDFM have been built in actual coordinate, and the simulation programs in MATLAB language also have been finished...
First of all, a novel axial sectional claw pole machine with PM outer rotor (ASCPM) which is suitable for pump and fan is introduced briefly, and then the structure of ASCPM is presented, too. Secondly, under the conditions of loaded and unloaded respectively, analysis of magnetic filed is made to the motor. With the method of three-dimensional finite element analysis, waveforms of torque and back-EMF...
This paper presents the analysis method of a capacitor-run signal-phase induction motor behavior by using circuit-coupled two-dimensional finite element method. In order to analyze the machines accuracy under rotating magnetic fields, the voltage source, run-capacitor and slide boundary are considered. The voltage coupled model included slip boundary and calculation method is presented, and the simulation...
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