Electromechanical and Electromagnetic Energy Conversion

(3-0-0-3)

CMPE Degree: This course is Selected Elective for the CMPE degree.

EE Degree: This course is Selected Elective for the EE degree.

Lab Hours: 0 supervised lab hours and 0 unsupervised lab hours.

Technical Interest Groups / Course Categories: Threads / ECE Electives

Course Coordinator: Baoyun Ge

Prerequisites: ECE 3025 [min C]

Catalog Description

Introduction to three phase power systems, electromechanical energy conversion and operating principles of electric machines.

Textbook(s)

Electric Machinery

Course Outcomes

Get familiar with three main families of rotating electric machines, i.e. DC machines, synchronous machines, and induction machines, as well as transformers, which are stationary electromagnetic devices. 

Understand the working principles of these machines/devices from the standpoints of fields as well as equivalent circuits 

Able to analyze the magnetostatic fields in electric machines and transformers using magnetic circuits (different from equivalent circuits)

Able to carry out steady-state performance calculations for these electric machines and transformers 

Understand the characteristics and application scenarios of these machines/devices

Strategic Performance Indicators (SPIs)

N/A

Topic List

  1. Magnetic Circuits
    1. Ampere's law and Gauss's law
    2. Faraday's law and induced voltages
    3. Magnetic material properties
    4. AC excitations
  2. Power Transformers
    1. no-load condition
    2. ideal transformer
    3. equivalent circuit, transformer testing
    4. autotransformers and multi-winding transformers
  3. Electromechanical Energy Conversion Principles
    1. Lorentz force, energy conservation
    2. force & torque of singly excited system
    3. multiply-excited magnetic-field system
  4. DC Machines
    1. construction & commutation
    2. equivalent circuit, characteristics
  5. Synchronous Machines
    1. winding functions, rotating MMF
    2. construction of round rotor synchronous machines
    3. equivalent circuit
    4. open- and short-circuit characteristics
    5. steady-state characteristics
  6. Induction Machines
    1. construction, slip frequency
    2. equivalent circuit
    3. steady-state characteristics
    4. single phase induction machines