EE2035 COMPUTER AIDED
DESIGN OF ELECTRICAL
APPARATUS
L
T P C
3
0 0 3
AIM
To
introduce the basics of Computer Aided Design technology for the design of
Electrical Machines.
OBJECTIVES:
At the
end of this course the student will be able to
a. Learn the importance of computer aided design method.
b. Understand the
basic electromagnetic field equations and the problem formulation for CADD Applications.
c. Become familiar with Finite Element
Method as applicable for Electrical Engineering.
d. Know the organization of a typical
CAD package.
e. Apply Finite Element Method for
the design of different Electrical apparatus.
UNIT I
INTRODUCTION
8
Conventional design procedures - Limitations - Need for field
analysis based design - Review of Basic principles of energy conversion -
Development of Torque/Force.
UNIT II
MATHEMATICAL FORMULATION OF FIELD
PROBLEMS
9
Electromagnetic Field
Equations - Magnetic Vector/Scalar potential - Electrical vector /Scalar potential - Stored energy in
Electric and Magnetic fields - Capacitance - Inductance- Laplace and Poisson’s
Equations - Energy functional.
UNIT
III PHILOSOPHY OF
FEM
10
Mathematical models - Differential/Integral equations - Finite
Difference method - Finite element method - Energy minimization - Variation method- 2D field
problems - Discretisation - Shape functions - Stiffness matrix - Solution
techniques.
UNIT IV
CAD PACKAGES
9
Elements of a CAD System -Pre-processing - Modeling - Meshing -
Material properties- Boundary Conditions - Setting up solution - Post
processing.
UNIT
V DESIGN
APPLICATIONS
9
Voltage Stress in Insulators - Capacitance calculation - Design
of Solenoid Actuator - Inductance and force calculation - Torque calculation in
Switched Reluctance Motor.
TOTAL : 45 PERIODS
TEXT BOOKS
1.
S.J Salon, ‘Finite Element Analysis of
Electrical Machines’, Kluwer Academic Publishers, London, 1995.
2. Nicola Bianchi,
‘Electrical Machine Analysis using Finite Elements’, CRC Taylor&Francis, 2005.
REFERENCES
1. Joao
Pedro, A. Bastos and Nelson Sadowski, ‘Electromagnetic Modeling by finite Methods’, Marcell Dekker
Inc., 2003.
2.
P.P.Silvester and Ferrari, ‘Finite Elements for Electrical Engineers’, Cambridge
university press,1983.
3.
D.A.Lowther and P.P Silvester, ‘Computer Aided Design in Magnetics’, Springer,
verlax new
York, 1986
4. S.R.H.Hoole, ‘Computer Aided Analysis and
Design of Electromagnetic Devices’, Elsevier, Newyork, 1989. User Manuals
of MAGNET, MAXWELL & ANSYS Software’s.
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