PERFORMANCE IMPROVEMENT OF BRUSHLESS DC MOTOR THROUGH SWITCH-ON ANGLE CONTROL

Document Type : Original Article

Authors

1 Electrical Power & Machines Department, Faculty of Engineering, Zagazig University, Zagazig Egypt

2 Electrical Engineering Department, Faculty of Engineering, Menofiya University, Shebin El-Koum, Egypt

Abstract

This paper presents a method for improving the performance of Brushless DC motor drive. This
method depends on the varying of switch-on angle of motor phase current. The phase current and
torque for proposed method are discussed. The operation of motor drive at different switchdn
angle for same speed is studied and discussed. The results of this studying report an investigation
into the motor characteristics of such method according to torque, efficiency and torque ripples
factor. Computer simulation result had shown a noticeable improvement in motor performance. .& J.& ,&ii & Jd d_YiJl +XI MI &I dP .IJ @ &A lir &

Keywords

ERJ. Engineering Research Journal
Volume 32, Issue 2
April 2009
Pages 217-222

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