High Efficiency Operation of Brushless DC Motor Drive Using Optimized Harmonic Minimization Based Switching Technique

This article presents a new switching technique to minimize losses in a trapezoidal brushless dc motor (BLDCM) drive. Based on the analysis, a pulsewidth modulation (PWM) strategy with selective harmonics elimination (SHE) is projected for motor phase current for dynamic loss minimization of BLdc mo...

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Bibliographic Details
Published in:IEEE transactions on industry applications 2022-03, Vol.58 (2), p.2122-2133
Main Authors: Santra, Subhendu Bikash, Chatterjee, Arunava, Chatterjee, Debashis, Padmanaban, Sanjeevikumar, Bhattacharya, Krishnatreya
Format: Article
Language:English
Subjects:
Brushless dc motor (BLDCM)
Brushless DC motors
Brushless motors
Control methods
Control systems
D C motors
Harmonic analysis
Harmonics
Lookup tables
loss minimization
Motor drives
Optimization
Phase current
Pulse duration modulation
selective harmonic elimination (SHE)
Switches
Switching
switching losses
Torque
Torque measurement
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Summary:This article presents a new switching technique to minimize losses in a trapezoidal brushless dc motor (BLDCM) drive. Based on the analysis, a pulsewidth modulation (PWM) strategy with selective harmonics elimination (SHE) is projected for motor phase current for dynamic loss minimization of BLdc motor drive system. The proposed control technique uses SHEPWM to optimize PWM to minimize different losses at different loads and motor speeds based on a predefined look-up table. The efficacy of the control methodology is presented using proper simulation results in MATLAB/Simulink environment. The control methodology is also validated with an experimental prototype of 350W BLDCM drive system.
ISSN:0093-9994
1939-9367
DOI:10.1109/TIA.2022.3146212