Figures index

From

A New Approach to Enhance the Torque Handling Capacity of a PMBLDC Motor Drive

Protik Chandra Biswas, Bashudeb Chandra Ghosh

American Journal of Electrical and Electronic Engineering. 2016, 4(6), 164-176 doi:10.12691/ajeee-4-6-3
  • Figure 1. Typical trapezoidal back EMF and square current waveforms of 3-phase PMBLDC motor
  • Figure 2. Typical trapezoidal back EMF and sinusoidal current waveforms of 3-phase PMBLDC motor
  • Figure 3. Typical trapezoidal back EMF and trapezoidal current waveforms of 3-phase PMBLDC motor
  • Figure 4. Overall block diagram of trapezoidal or square or sinusoidal current fed field oriented vector controlled PMBLDC motor drives by using adaptive PI speed controller
  • Figure 5. Starting characteristics of PMBLDC motor drives for trapezoidal, square and sinusoidal reference current fed field oriented control
  • Figure 6. 3-Phase starting stator current of PMBLDC motor for trapezoidal, square and sinusoidal current fed field oriented control drive
  • Figure 7. (a) 3-phase back EMF at starting and (b) rotor position of trapezoidal current fed field oriented controlled PMBLDC motor drive
  • Figure 8. Per phase back EMF and corresponding phase current for Trapezoidal, Square and Sinusoidal current fed field oriented control drives
  • Figure 9. Torque developed for Trapezoidal, Square and Sinusoidal current fed field oriented controlled drives
  • Figure 10. Flux linkage trajectories in the stationary αβ axes reference frame for trapezoidal, square and sinusoidal current fed vector controlled PMBLDC motor drives
  • Figure 11. Comparison between speed responses of PMBLDC motor for trapezoidal, square and sinusoidal current fed vector controlled drives at dynamic speed changing condition
  • Figure 12. 3-phase current of PMBLDC motor for trapezoidal, square and sinusoidal current fed field oriented controlled drive for variable speed condition considering transient current at the interface of speed changes
  • Figure 13. 3-phase back EMF at dynamic speed changing condition for trapezoidal current fed vector controlled PMBLDC motor drive
  • Figure 14. Speed characteristics of PMBLDC motor for sudden load torque change at 1.0 second from initial load torque 0.4 Nm to rated load torque 2.0 Nm for trapezoidal, square and sinusoidal current fed field oriented control drives
  • Figure 15. 3-phase stator current of trapezoidal current fed field oriented controlled PMBLDC motor drives for sudden load torque change at 1.0 second