• Prerequisite 

ECE 453/554 Electric Motor Drives or equivalent, and knowledge of Advanced Mathematics for Engineers and Scientists.

• Course Objectives 

 Manifest a working knowledge of the dynamic effects of control in AC electric machines
 Model AC machines for analysis and design
 Calculate the basic performance parameters of AC electric machines and drives, such as response time, parameter variation effects and efficiency
 Design and analyze torque and speed controllers for AC electric machines
 Design and analyze voltage and current controllers for AC electric drives
 Assess the dynamic behavior of AC electric machines and drives
 Demonstrate a working knowledge of the emerging AC machine control methods for applications, such as automotive, renewable energy systems, industrial, and consumer products
 Perform basic assessment and design of an AC electric machine drive system for a given application
 Determine the requirements of an electric machine and drive for a given application

• Course Topics 

 Electric Machine Dynamics  Introduction
 Reference Frame Transformations
 Dq Complex Vector Theory
 Induction Machine dq Modeling
 Synchronous Machine dq Modeling
 Synchronous Machine Vector Control – Steady State and Dynamics
 Induction Machine Vector Control  Steady State and Dynamics
 Voltage Source Inverters(VSI)
 PWM Control of Inverters
 Direct Torque Control for Induction Machines
 Current Regulation
 PM Machines Principles and Control
 IPM Machine Controls
 Switched Reluctance Machine Principles and Controls

• Course Requirements 

The course consists of two 75 minute lectures per week. The grade distribution for the course is given below.
Component 
Weight 
Details 
MidTerm Exams 
20% 
One midterm examination will be administered. The midterm and the final exams are equally weighted. 
Homework 
10% 
Six to eight homeworks are assigned during the semester. 
Simulation Projects 
50% 
Three computer simulation projects will be assigned. The students submit completed Matlab/Simulink programs and reports. The projects are worth 20%, 20% and 10% for the three assignments. 
Final Exam 
20% 
A noncomprehensive final exam is administered at the end of the semester. 

• Textbook 

Vector Control and Dynamics of AC Drives  D.W. Novotny and T.A. Lipo, Oxford Science Publications, 1996.
Edition: 1st
ISBN: 0198564392
This textbook is required.
Analysis of Electric Machinery – P.C. Krause, O. Wasynczuk and S. D. Sudhoff, IEEE Press, 1994
Edition: 1st
ISBN: 0780311019
This textbook is optional.

• Computer and Internet Requirements 

Computer simulations will be assigned during the course related to the topics covered in the course. Students are expected to have access to MatlabSimulink software; MatlabSimulink will be the primary platform for the simulations. The assignments will be collected and graded.
NCSU and Engineering Online have recommended minimum computer specifications. For details, click here.

• Instructor 

Dr. Iqbal Husain, Professor
Electrical & Computer Engineering
Box 7911
NCSU Campus
Raleigh, NC 27695

Email: iqbal_husain@ncsu.edu


