May 26, 2026  
2025-2026 Catalog 
    
2025-2026 Catalog

IE 140 - AC/DC Machines


Credit Hours: 3

Topics include a review of AC voltage and current phase relationship and computations of reactance and power; transformers and transformer applications; introduction to generators and motors; single-phase motors; three-phase alternators and motors; DC motors and generators and AC and DC motor control fundamentals. Experiments include AC phasor computations, single-phase transformers, three-phase wye and delta connected transformers, single-phase AC motor characteristics, three-phase alternators, three-phase motors, DC motor and generator characteristics, simple motor starter and control circuits.

Course Outcomes
Upon completion of this course, the student will be able to:

  1. relate fundamental laws governing electrical machines;
  2. identify the operational differences between various DC motors and generator systems;
  3. identify and describe various three-phase motor systems;
  4. understand the operation and application of three-phase induction and synchronous motors;
  5. describe the difference between single and three-phase motors;
  6. understand the operation and usage of power transformers;
  7. understand the operation and usage of motor control;
  8. reinforce theoretical concepts by applying them to actual machines;
  9. identify the characteristic differences between various DC motors and generator systems; and
  10. identify and describe the operating characteristics of various three-phase motor systems.


Prerequisites: EL 130, EL 131
Corequisites: EL 174, EL 175
S (N)