Course Details
Subject {L-T-P / C} : EE6407 : Modelling and Analysis of Electrical Machines { 3-0-0 / 3}
Subject Nature : Theory
Coordinator : Manoranjan Sahoo
Syllabus
| Module 1 : |
Basics of magnetic circuits.Analysis of magnetic circuits with air-gap and permanent magnets.Analysis of singly excited electro-mechanical system with linear magnetics. Nonlinear magnetics using energy and co-energy principles. Inductances of distributed windings - salient pole, cyclindrical rotor. [14 hrs] |
| Module 2 : |
Analysis of the doubly excited two-phase rotational system. Reference Frame Theory: Winding inductances, Voltage equations in AC machines, Transformations between abc and qd0 reference frame.[5 hrs] |
| Module 3 : |
Derivation of dc machine systems from the generalized machine. Voltage equations and Torque equations in machine variable, Voltage equations and Torque equations in in arbitrary frame of reference. [3 hrs] |
| Module 4 : |
Analysis of induction machine - synchronous reference frame - with currents as variables - with rotor flux as variables. Small signal modelling of induction machine. [9 hrs] |
| Module 5 : |
Analysis of the alternator - synchronous reference frame.Derivation of salient and cylindrical rotor machine phasor diagrams. [5] |
Course Objective
| 1 . |
Understand the basic principles of operation of electrical machines and apply them in the analysis of electrical drive systems |
| 2 . |
Understand the method of performing dynamic analysis of electrical machines and apply this knowledge for dynamic simulation of electrical drive systems |
| 3 . |
Simplify the mathematics involved in simulations of electrical machines and drive systems by the use of transformations between reference frames |
| 4 . |
Understand and develop the method of performing dynamic analysis by computer simulations of electrical machines |
Course Outcome
| 1 . |
Understand and analyze magnetic circuits, including air gaps and permanent magnets, to model the electromagnetic systems. |
| 2 . |
Develop mathematical models for singly and doubly excited electromechanical systems using energy and co-energy concepts. |
| 3 . |
Evaluate the performance of DC and AC machines by applying reference frame theory and generalized machine modeling techniques. |
| 4 . |
Apply small-signal modeling principles for analysis and control of induction machines. |
| 5 . |
Analyze the dynamic and transient behavior of synchronous machines under different conditions with computer added simulation. |
Essential Reading
| 1 . |
P. C. Krause, Oleg Wasynczuk, S. D. Sudhoff, Analysis of Electric Machinery and Drive Systems, John Wiley,2004 |
| 2 . |
C. M. Ong, Dynamic Simulations of Electric Machinery: Using Matlab/Simulink, Prentice-Hall , 1998 |
Supplementary Reading
| 1 . |
Arthur Eugene Fitzgerald, Charles Kingsley, Stephen Umans, Electric Machinery, McGraw-Hill Companies,Incorporated, 2003 |
| 2 . |
Denis O'Kelley, S. Simmons, Introduction to Generalized Electrical Machine Theory, McGraw-Hill, 2011 |
| 3 . |
R. Krishnan, Electric Motor Drives - Modeling, Analysis & control, Pearson Publications, 2002 |
Journal and Conferences
| 1 . |