Design and Performance Improvement of Axial Flux PMBLDC Motor

Abstract

Permanent Magnet motor offers distinct advantages over conventional electrical motors like high efficiency, compactness, better dynamic response and high speed range. It is always desirable to enhance performance of permanent magnet motor. According to direction of ux permanent magnet brushless D.C. Motor are classified in two categories 1) Radial Flux Permanent Magnet BLDC Motor 2) Axial ux Permanent Magnet BLDC Motor. The design of electrical machine in non-linear problem. Design of axial ux permanent magnet BLDC motor is an intensive process as many deign variable and constraints are involved. This project is focused on axial ux PMBLDC motor. Axial ux permanent magnet BLDC motor has several advantages in direct drive applications for electric vehicle application. The proper topology of axial ux permanent magnet BLDC motor is to be finalized according to requirements of application. It is always desirable to increase efficiency and to reduce vibration. The major limitation of axial ux permanent magnet BLDC motor is high cogging torque. This project is focused on an analysis techniques to increase efficiency and to reduce cogging torque. Finite Element Analysis (FEA) carried out to validate suggested techniques.