Abstract

Axial flux permanent magnet motors having a dual air-gap configuration have been designed and constructed to achieve high power density and used in industries interestingly and specially in the system of driving electrical vehicles. In this paper, the equation related to the design and dimensions of double-sided slotted axial flux synchronous motor with internal stator (TORUS) will be investigated. Then, an optimum design based on genetic algorithm with the purpose of increasing power density is presented. Twodimensional finite-element analysis (FEM) is used to demonstrate these optimization and its results will be presented. Finally, it presents the resultant back emf waveform and current for a 1.0 kW, 48 V, 50 Hz, 4poles/15-slots TORUS slotted axial motor prototype, based on our optimization techniques .

Highlights

  • Electrical motor is one of the most important parts in industrial

  • In the following; the results of written program for optimization has been investigated by finite element method (FEM) and its consequences will be compared

  • In order to analyze the magnetic circuit and power density, 2D Finite Element Analysis was used for double-sides slotted axial flux motor

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Summary

INTRODUCTION

Electrical motor is one of the most important parts in industrial. improving its operation is necessary and essential. Among the different configurations of axial flux motors, double-sides configuration, has the best and the most application. Axial flux motor are designed with slotted stators and without slot, that the slot configuration has the higher strength and power density that without one [1,4 and 9]. The equations of design and dimensions of a double-sided slotted axial flux synchronous motor with internal stator (TORUS) will be investigated. In the following; the results of written program for optimization has been investigated by finite element method (FEM) and its consequences will be compared In the following, it presents the resultant back emf waveform and current for a 1.0 kW, 48 V TORUS slotted axial motor prototype. Simplified model of double-sided slotted axial flux synchronous motor with internal stator (TORUS) Fig.1. simplified model of double-sided slotted axial flux synchronous motor with internal stator (TORUS)

AFPM motors and Design Algorithm
Sizing Equation of AFPM Motors
Design Process
Limitation parameters
Genetic algorithm and optimization
Fitness function
T flux density in rotor
Simulation by 2D FEM
FEM of the slotted AFPM Motor
Prototype
CONCLUSIONS

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