EE 3401 - Electromechanical Energy Conversion

3 lecture hours 2 lab hours 4 credits

Course Description
This course provides an introduction to the basic principles of electromechanical energy conversion devices. Topics include three-phase circuits; magnetic circuits; theory, construction, and operation of transformers; performance characteristics and analysis of common rotating ac machines and their control. The concurrent laboratory work reinforces the theoretical principles involved. (prereq: EE 2060 or equivalent and PH 2021)

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

Measure complex power flow in single and three phase circuits
Perform short-circuit and open-circuit tests on a transformer and determine the parameters of the equivalent circuit
Operate a three-phase squirrel-cage induction motor and measure the motor torque-speed and efficiency curves
Understand basic methods of starting and speed control of induction and synchronous motors
Operate a three-phase variable field synchronous motor and measure the open circuit characteristic and V-curves
Analyze balanced three-phase circuits
Compute complex power flow in balanced three-phase circuits
Solve basic two-dimensional magnetic circuit problems
Analyze circuits with single and three phase transformers
Know the basic construction features of three-phase squirrel-cage induction (asynchronous) motors
Analyze three-phase induction motor steady state operation
Describe the basic construction details of cylindrical rotor and salient-pole three-phase synchronous machines
Analyze three-phase cylindrical rotor synchronous generator and motor steady state operation

Prerequisites by Topic

Steady state single phase ac circuit analysis
Single phase complex power

Course Topics

Prerequisite review and assessment (1 period)
Single phase ac power flow (1 period)
Three phase ac circuit analysis and power flow (2 periods)
Magnetic circuits, hysteresis, and eddy-current losses (3 periods)
Principles of operation, construction, connections, development and analysis of the equivalent circuit of the transformer (6 periods)
Rotating magnetic fields; performance characteristics and analysis of three-phase induction motors (7 periods)
Performance characteristics and simplified analysis of synchronous machines (4-5 periods)
Exams and reviews (5 periods)

Laboratory Topics

Laboratory safety, engineering logbooks, prerequisite quiz
Single and three-phase ac power measurements
Single-phase transformer tests
Three-phase transformer connections
Squirrel cage induction motor fixed frequency operation
Squirrel cage induction motor variable frequency operation
Synchronous motor V-curve
Synchronous machine open circuit characteristic

Coordinator
Dr. Luke Weber

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EE 3401 - Electromechanical Energy Conversion