Title :
Analysis of commutation torque ripple using different PWM modes in BLDC motors
Author :
Chuang, H.S. ; Ke, Yu-Lung ; Chuang, Y.C.
Author_Institution :
Dept. of Electr. Eng., Kao Yuan Univ., Kaohsiung, Taiwan
Abstract :
Torque ripple generated in the commutation interval is one of the main drawbacks of Brushless DC (BLDC) motors. This paper presents an comprehensive analysis on the generated torque ripples of trapezoidal back-EMF due to phase commutation in the six switch, three-phase inverter brushless dc motor drives. Experimental results verify the amplitude of the torque ripple under 4 kinds of PWM pattern, respectively.
Keywords :
DC motor drives; PWM invertors; brushless DC motors; commutation; electric potential; torque; BLDC motors; PWM modes; brushless dc motor drives; commutation interval; commutation torque ripple; phase commutation; three-phase inverter; trapezoidal back-EMF; Brushless DC motors; Brushless motors; Commutation; DC generators; DC motors; Pulse width modulation; Rotors; Switches; Synchronous motors; Torque; BLDC motors; Torque ripple;
Conference_Titel :
Industrial & Commercial Power Systems Technical Conference - Conference Record 2009 IEEE
Conference_Location :
Calgary, AB
Print_ISBN :
978-1-4244-3398-8
Electronic_ISBN :
978-1-4244-3399-5
DOI :
10.1109/ICPS.2009.5463966
