BANNARI AMMAN INSTITUTE OF TECHNOLOGY, SATHYAMANGALAM

LESSON PLAN

Academic Year : 2013-14Department : EEE Faculty Name : S.BhuvaneswariBranch and Year: BE EEE B & III Semester : VII (odd)Subject : Electrical Machine design Subject Code : 07E701Lecture No.

Unit /TopicTeaching Aids

Unit I - Introduction 1 Major considerations – Limitations – MMF calculation of

various types of electrical machinesPPT & Chalk & Board

2 Net length of Iron – real and apparent flux density of rotating machines

PPT & Chalk & Board

3 Temperature gradient – heat flow in two dimensions – thermal resistivity of winding

Chalk & Board

4 Temperature gradient in conductors placed in slots – thermal rating

Chalk & Board

5 Direct and indirect cooling methods&- basic concepts of computer aided design

Chalk & Board

Unit II - Dc Machines

6 Design of rotating machines – D.C machines output equations – main dimensions- Selection of number of poles

PPT & Chalk & Board

7 Problems PPT & Chalk & Board

8 Armature design PPT & Chalk & Board

9 Design of field poles & field coils - PPT & Chalk & Board

10 Design of Commutator and brushes PPT & Chalk & Board

11 Problems &Program to design main dimensions of DC Machines.

PPT & Chalk & Board

12 Problems Chalk & Board

Unit III - Transformers13 KVA output for single and three phase transformers –

Window space factor – Overall dimensionsPPT & Chalk & Board

14 Temperature rise of Transformers – Design of Tank with & without cooling tubes

PPT & Chalk & Board

15 Optimum design of transformers – Design of chokes PPT & Chalk & Board

Form No.AC04 Rev.No.01 Effective Date: 25.06.2008

BANNARI AMMAN INSTITUTE OF TECHNOLOGY, SATHYAMANGALAM

LESSON PLAN

16 Design of CTs & PTs PPT & Chalk & Board

17 Program to design main dimensions of Transformers. PPT

18 Problems Chalk & BoardUnit IV - Induction Motors

19 Magnetic leakage calculations – Leakage reactance of polyphase machines- Magnetizing current – Output equation of Induction motor – Main dimensions

PPT & Chalk & Board

20 Length of air gap- Rules for selecting rotor slots of squirrel cage machines

PPT & Chalk & Board

21 Design of rotor bars & slots – Design of end ring22 Design of wound rotor & relation between D & L for best

power factorPPT & Chalk & Board

23 Program to design main dimensions of Induction Motors Chalk & Board24 Problems Chalk & Board25 Problems Chalk & Board

Unit V - Synchronous Machines26 Runaway speed – output equations – choice of loadings &

shape of pole facePPT & Chalk & Board

27 Armature design – Armature parameters PPT & Chalk & Board

28 Estimation of air gap length PPT & Chalk & Board

29 Design of rotor –Design of damper winding PPT & Chalk & Board

30 Determination of full load field mmf PPT & Chalk & Board

31 Design of field winding PPT & Chalk & Board

32 Design of turbo alternators PPT & Chalk & Board

33 Rotor design- Program to design main dimensions of Alternators

PPT & Chalk & Board

34 Problems PPT

Textbook: Sawhney, A.K., “A Course in Electrical Machine Design”, Dhanpat Rai & Sons, New Delhi, 1984

References:Form No.AC04 Rev.No.01 Effective Date: 25.06.2008

BANNARI AMMAN INSTITUTE OF TECHNOLOGY, SATHYAMANGALAM

LESSON PLAN

1. Sen, S.K., “Principles of Electrical Machine Designs with Computer Programmes”, Oxford and IBH Publishing Co. Pvt. Ltd., New Delhi, 1987

2. Agarwal R K, “Principles of Electrical Machine Design”, Kataria S K and Sons, New Delhi, 20023. Mittle V N and Mittle A, “Design of Electrical Machines”,Standard Publications and Distributors, New Delhi,

2002

Date :

Sign. of Faculty : _____________________

Sign. of HOD: _____________________

Form No.AC04 Rev.No.01 Effective Date: 25.06.2008