Phase Advance Approach to Expand the Speed Range of Brushless DC Motor

In order to extend the speed range of a brushless DC motor drive, it is common to control the phase current to lead the phase back EMF by an "advance angle". It is based on the "phase advance approach", which was proposed for brushless DC motor drive in 1995. This paper completes...

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Bibliographic Details
Main Authors: Binh Minh Nguyen, Ta, M.C.
Format: Conference Proceeding
Language:English
Subjects:
Brushless DC Motor Drive
Brushless DC motors
DC motors
Equations
Industrial control
Phase Advance Angle
Pulse width modulation
Regulators
Shape control
Synchronous motors
Torque
Trapezoidal-type PM synchronous motors
Voltage
Wide Speed-range Operation
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Description
Summary:In order to extend the speed range of a brushless DC motor drive, it is common to control the phase current to lead the phase back EMF by an "advance angle". It is based on the "phase advance approach", which was proposed for brushless DC motor drive in 1995. This paper completes the "phase advance approach" theory in several aspects: a) the stator resistance is taken into account in the analysis and calculation of phase reference current; b) the situation where the back EMF is smaller than the applied voltage is also taken into consideration; and c) an analytical equation to calculate the advance angle is also derived. The obtained equation are therefore more general than those in the prior art. Extended simulation results demonstrate the validity of the approach.
ISSN:2164-5256
DOI:10.1109/PEDS.2007.4487866