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
Catalog Description
A study of the dynamics and control of electric machinery and variablespeed machine drive systems.
Course Outcomes
Not Applicable
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
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