Torque Ripple Minimization of BLDC Motor by Using Vector Control
|International Journal of Electrical and Electronics Engineering|
|© 2015 by SSRG - IJEEE Journal|
|Volume 2 Issue 5|
|Year of Publication : 2015|
|Authors : R.Keerthi Paul, P.Pradeep|
How to Cite?
R.Keerthi Paul, P.Pradeep, "Torque Ripple Minimization of BLDC Motor by Using Vector Control," SSRG International Journal of Electrical and Electronics Engineering, vol. 2, no. 5, pp. 10-15, 2015. Crossref, https://doi.org/10.14445/23488379/IJEEE-V2I5P103
This paper provides an alternative approach to reduce torque ripple in Square-wave PM Motors (BLDC motor). Instead of conventional square-wave form, the method uses the principle of vector control to optimally design the wave-form of reference current in such a way that the torque ripple is minimal. The proposed Vector Control has advantage of the torque ripple is greatly reduced, and the flux weakening for constant-power high-speed mode can be achieved by injecting a negative d-axis current into the control system, just like for the case of PM Synchronous Motors (sine type machines).
Brushless DC motor, Trapezoidal type machine, PM synchronous motor, Sine type machine, Vector control, Torque ripple minimization.
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