This is a rigorous introductory course in electromechanical energy conversion devices. Primary emphasis is placed on rotating AC and DC machines. Following a brief review of electromagnetic field theory and polyphase AC circuits, magnetic materials and circuits are introduced, using transformers as representative systems. A systematic approach to modeling machines is introduced, based on the principle of virtual work. This framework, applicable to general dynamic conditions, is applied narrowly to the steady-state operation of AC synchronous and asynchronous machines, as well as DC machines. Equivalent steady-state circuits are developed for common rotating machines. Practical information relating to general machine characteristics and nominal ratings is provided. Laboratory experiments are conducted to reinforce theory and to provide practical experience with motors and generators.
- 50% in ELEX 7120
- Not offered this term
- This course is not offered this term. Please check back next term or subscribe to receive notifications of future course offerings and other opportunities to learn more about this course and related programs.
Upon successful completion of this course the student will be able to:
- Explain and Exemplify the behaviour of magnetic circuits.
- Explain and Exemplify the sources and interactions of quasi-static magnetic fields.
- Explain and Exemplify the techniques of machine modeling based on virtual work.
- Explain and Exemplify characteristics and use of equivalent circuit models.
- Analyze the performance of synchronous and asynchronous AC machines.
- Analyze the performance of DC machines.
- Demonstrate the steady state performance of transformers and polyphase AC circuits in the laboratory.
- Demonstrate the performance of AC and DC motors and generators in the lab.
Effective as of Fall 2013
Electric Machines (ELEX 7240) is offered as a part of the following programs:
School of Energy
Bachelor of Technology Part-time
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