## EE6012 - COMPUTER AIDED DESIGN OF ELECTRICAL APPARATUS (Syllabus) 2013-regulation Anna University

EE6012

COMPUTER AIDED DESIGN OF ELECTRICAL APPARATUS

LPTC

3003

OBJECTIVES:
• To introduce the importance of computer aided design method.
• To provide basic electromagnetic field equations and the problem formulation for CAD applications.
• To get familiarized with Finite Element Method as applicable for Electrical Engineering.
• To introduce the organization of a typical CAD package.
• To introduce Finite Element Method for the design of different Electrical apparatus.

UNIT I

INTRODUCTION

9

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

9

Mathematical models – Differential/Integral equations – Finite Difference method – Finite element method – Energy minimization – Variational method- 2D field problems – Discretisation – Shape functions – Stiffness matrix – Solution techniques.

UNIT IV

9

Elements of a CAD System –Pre-processing – Modelling – 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

OUTCOMES:
• Ability to model and analyze electrical apparatus and their application to power system.

TEXT BOOKS:
1. S.J Salon, ‘Finite Element Analysis of Electrical Machines’, Springer, YesDEE publishers, Indian reprint, 2007.
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 Element 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 Verlag, New York, 1986.
4. S.R.H.Hoole, ‘Computer Aided Analysis and Design of Electromagnetic Devices’, Elsevier, New York, 1989.
5. User Manuals of MAGNET, MAXWELL & ANSYS Softwares.