Dynamics and Control of Electric Machine Drives
(3-0-0-3)
CMPE Degree: This course is Not Applicable for the CMPE degree.
EE Degree: This course is Not Applicable for the EE degree.
Lab Hours: 0 supervised lab hours and 0 unsupervised lab hours.
Technical Interest Group(s) / Course Type(s): Electrical Energy
Course Coordinator: Thomas G Habetler
Prerequisites: ECE 3300
Corequisites: None.
Catalog Description
A study of the dynamics and control of electric machinery and variablespeed machine drive systems.
Course Outcomes
Not Applicable
Student Outcomes
In the parentheses for each Student Outcome:"P" for primary indicates the outcome is a major focus of the entire course.
“M” for moderate indicates the outcome is the focus of at least one component of the course, but not majority of course material.
“LN” for “little to none” indicates that the course does not contribute significantly to this outcome.
1. ( Not Applicable ) An ability to identify, formulate, and solve complex engineering problems by applying principles of engineering, science, and mathematics
2. ( Not Applicable ) An ability to apply engineering design to produce solutions that meet specified needs with consideration of public health, safety, and welfare, as well as global, cultural, social, environmental, and economic factors
3. ( Not Applicable ) An ability to communicate effectively with a range of audiences
4. ( Not Applicable ) An ability to recognize ethical and professional responsibilities in engineering situations and make informed judgments, which must consider the impact of engineering solutions in global, economic, environmental, and societal contexts
5. ( Not Applicable ) An ability to function effectively on a team whose members together provide leadership, create a collaborative and inclusive environment, establish goals, plan tasks, and meet objectives
6. ( Not Applicable ) An ability to develop and conduct appropriate experimentation, analyze and interpret data, and use engineering judgment to draw conclusions
7. ( Not Applicable ) An ability to acquire and apply new knowledge as needed, using appropriate learning strategies.
Strategic Performance Indicators (SPIs)
Outcome 1 (Students will demonstrate expertise in a subfield of study chosen from the fields of electrical engineering or computer engineering):
1. Analyze open- and closed-loop DC, induction, and synchronous motor drive systems, including torque, current and speed control.
2. Model and simulate the dynamic operation of ac and dc machines using the generalized theory of electric machines.
Outcome 2 (Students will demonstrate the ability to identify and formulate advanced problems and apply knowledge of mathematics and science to solve those problems):
1. Model and simulate the dynamic operation of ANY type electric machine, including those yet to be proposed.
2. Design torque and speed control methods for electric machines.
Outcome 3 (Students will demonstrate the ability to utilize current knowledge, technology, or techniques within their chosen subfield):
1. Apply new concepts in the literature and apply them to the design and analysis of electric machine drives
Course Objectives
Topical Outline
1. Electromechanical Systems (1 weeks)
a. Machine load characteristics
b. Drive system elements
c. Required drive characteristics
2. DC Drives (2 weeks)
a. Ratings and motor characteristics
b. Speed control
c. Closed loop control system design
3. Induction Motor Drives (2 weeks)
a. Review of steady-state characteristics
b. Speed Control: variable rotor resistance, variable voltage, variable frequency.
c. Constant V/Hz control, field weakening, capability
4. Current-Sourced Inverter Drives. (1/2 week)
a. Six-step GTO-CSI.
5. Voltage-Sourced Inverter Drives. (2 weeks)
a. Square-wave inverters
b. PWM inverters: sine-triangle modulation, harmonic elimination
c. Comparison of CSI and VSI drives, applications
6. Advanced Control of Voltage-Sourced Inverters. (2 weeks)
a. Coordinate and reference frame transformations
b. DQ vector modulation
c. Stationary and synchronous current regulators
7. Synchronous Motor Drives (1 week)
a. Review of steady-state characteristics
b. Load commutated drives
8. Induction Motor Dynamics (2 weeks)
a. DQ (Coupled Circuit) modeling of an induction motor
b. Introduction to small signal modeling
9. Torque (Vector) Controlled Drives (2-1/2 weeks)
a. Torque control in synchronous motors, brushless DC drives
b. Induction motor field orientation (Steady State), detuned operation
c. Implementation of a torque controlled drive
d. Dynamics Of field orientation
e. Direct and indirect field orientation
f. Sensorless control of induction machines