EE8002 - DESIGN OF ELECTRICAL APPARATUS (Syllabus) 2017-regulation Anna University

EE8002

DESIGN OF ELECTRICAL APPARATUS

 LTPC

3003

OBJECTIVES: To impart knowledge about the following topics:
• Magnetic circuit parameters and thermal rating of various types of electrical machines.
• Armature and field systems for D.C. machines.
• Core, yoke, windings and cooling systems of transformers.
• Design of stator and rotor of induction machines and synchronous machines.
• The importance of computer aided design method.

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UNIT I

DESIGN OF FIELD SYSTEM AND ARMATURE

9

Major considerations in Electrical Machine Design – Materials for Electrical apparatus – Design of Magnetic circuits – Magnetising current – Flux leakage – Leakage in Armature. Design of lap winding and wave winding.

UNIT II

DESIGN OF TRANSFORMERS

9

Construction - KVA output for single and three phase transformers – Overall dimensions – design of yoke, core and winding for core and shell type transformers – Estimation of No load current – Temperature rise in Transformers – Design of Tank and cooling tubes of Transformers. Computer program: Complete Design of single phase core transformer


UNIT III

DESIGN OF DC MACHINES

9

Construction - Output Equations – Main Dimensions – Choice of specific loadings – Selection of number of poles – Design of Armature – Design of commutator and brushes – design of field Computer program: Design of Armature main dimensions

UNIT IV

DESIGN OF INDUCTION MOTORS

9

Construction - Output equation of Induction motor – Main dimensions – choice of specific loadings – Design of squirrel cage rotor and wound rotor –Magnetic leakage calculations – Operating characteristics : Magnetizing current - Short circuit current – Circle diagram - Computer program: Design of slip-ring rotor

UNIT V

DESIGN OF SYNCHRONOUS MACHINES

9

Output equations – choice of specific loadings – Design of salient pole machines – Short circuit ratio – Armature design – Estimation of air gap length – Design of rotor –Design of damper winding – Determination of full load field MMF – Design of field winding – Design of turbo alternators -Computer program: Design of Stator main dimensions-Brushless DC Machines

TOTAL: 45 PERIODS

OUTCOMES:
• Ability to understand basics of design considerations for rotating and static electrical machines
• Ability to design of field system for its application.
• Ability to design sing and three phase transformer.
• Ability to design armature and field of DC machines.
• Ability to design stator and rotor of induction motor.
• Ability to design and analyze synchronous machines.

TEXT BOOKS:
1. Sawhney, A.K., ‘A Course in Electrical Machine Design’, Dhanpat Rai& Sons, New Delhi, Fifth Edition, 1984.
2. M V Deshpande ‘Design and Testing of Electrical Machines’ PHI learning Pvt Lt, 2011.
3. Sen, S.K., ‘Principles of Electrical Machine Designs with Computer Programmes’, Oxford and IBH Publishing Co. Pvt. Ltd., New Delhi, Second Edition, 2009.

REFERENCES:
1. A.Shanmugasundaram, G.Gangadharan, R.Palani ‘Electrical Machine Design Data Book’, New Age International Pvt. Ltd., Reprint 2007.
2. ‘Electrical Machine Design’, Balbir Singh, Vikas Publishing House Private Limited, 1981.
3. V Rajini, V.S Nagarajan, ‘Electrical Machine Design’, Pearson, 2017.
4. K.M.Vishnumurthy ‘Computer aided design of electrical machines’ B S Publications,2008

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