ELE 4403 - Specialty Electric Machines

This course focuses on the combination of electromechnical energy conversion, dynamic control theory, and power electronics, reinforcing theoretical concepts with simulations and physical implementations. (prereq: ELE 3101 , ELE 3401 ) (quarter system prereq: EE 3401, EE 3102, EE 3720)

• Construct Permanent Magnet DC (PMDC) and Brushless DC (BLDC) machine dynamic electrical system models - armature resistance and inductance, and back emf
• Construct PMDC and BLDC machine dynamic mechanical systems using equivalent electrical model components - electromechanical torque production, friction and windage losses, and rotor inertia
• Construct dynamic mechanical load electrical model equivalent components representing mechanical systems - work load, mechanical inertia, and energy storage (spring) load
• Simulate dynamic torque production in PMDC and BLDC machines
• Simulate the impact of load inertia on system response time
• Simulate the impact of controller gains on system response time
• Simulate pulse width modulation (PWM) as used to alter signal magnitude and frequency
• Calculate the average and rms values of pulse width modulated signals
• Simulate the operation of power electronic switches
• Model and simulate dynamic speed control of PMDC and BLDC machines

• Ohm’s law
• Kirchoff’s current law
• Kirchoff’s voltage law
• Faraday’s law
• Passive sign convention
• Complex numbers
• Frequency domain concepts: phasors, impedance, transfer functions
• DC and AC circuit analysis
• Transformers
• Three-phase balanced power systems
• 3-phase synchronous machines
• 3-phase induction machines

• Permanent Magnet DC (PMDC) Machines and Brushless DC (BLDC) Machines
  • Construction
  • Commutation
  • Torque production
  • Dynamic electrical system models
  • Dynamic mechanical system models
• Dynamic mechanical load models
• Pulse Width Modulation (PWM)
• Power electronics
• Motor and control system simulations
• Control implementation
• Simulation software

• Permanent Magnet DC (PMDC) Machines and Brushless DC (BLDC) Machines
  • Construction
  • Commutation
  • Torque production
  • Dynamic electrical system models
  • Dynamic mechanical system models
• Dynamic mechanical load models
• Pulse Width Modulation (PWM)
• Power electronics
• Motor and control system simulations
• Control implementation
• Simulation software