Catalog Data:

440 Rotating Electric Machinery (3). Basic concepts of machine performance; polyphase synchronous and induction machines; fractional horsepower AC motors; self-synchronous motors and systems; dynamics of electromechanically coupled systems.
Prerequisite: EE 370

 

Text book:

Electric Machines, Slemon, Addision

 

Course Coordinators:

T.C. Cheng, professor of electrical engineering

 

Topics:

1. Review of Electromechanical Principles
a. flux linkage
b. torque-energy relations
c. conditions for energy conversion and machine types
2. DC Machines
a. EMF and Torque Equations
b. Performance of DC Machines
c. Speed Control of DC Machines
3. Induction Machines
a. Characteristics
b. Equivalent circuit
c. Performance of single-phase induction motor
4. Synchronous Machines
a. Vector diagram
b. Torque Equation
c. Synchronous Motor Power Factor
d. Characteristic of Synchronous Machine
5. Basic Concepts of Solid-State Motor Control Systems
a. Adjustable-speed drives
b. Permanent Magnet step motor

 

Course Objectives:

This class studies the devices used in the interconversion of electric and mechanical energy. Emphasis is placed on electromagnetic rotating machinery, by means of which the bulk of this energy conversion takes place. Attention is also paid to the transformer, which is an important component in the overall problem of energy conversion.

 

Course Outcomes:

The students will be able to:
1. Understand and apply magnetic circuit equations
2. Use thermodynamic principles for energy equations
3. Study magnetic field waves in AC rotating machines
4. Examine DC machines and their operational characteristics
5. Examine synchronous machines and their operational characteristics as well as their transient behavior
6. Examine induction machine and their operational characteristics
7.Examine special machines and their various applications
8.Study power electronics and their use in motor drives and control systems
Laboratory Projects: none