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2007-08
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY
HYDERABAD
II Year B.Tech. Ch.E. I Sem T P C
4+1* 0 4
ELECTRICAL ENGINEERING
UNIT – I
SI Unit’s ohm’s law, series, and parallel circuits, Kirchhoffs laws, Star-delta transformation (Simple Problems)– Force on a current carrying conductor in magnetic field– electromagnetic induction, Faraday’s law, Lenz’s law – Self and mutual inductances.
UNIT – II
Generation of an alternating emf – average and rms values of alternating quantity – representation of alternating quantities by phasors – single phase series and parallel circuits (simple problems)– series and parallel resonance – three phase balanced systems – single and three phase power calculations.
UNIT – III
Principle of operation of DC machines – emf equation – types of generators – Magnetization and Load characteristics of DC generators
UNIT-IV
DC Motor: Principle of operation of DC Motor,Types of Motors, Back EMF Equation, Characteristics of DC motor, Torque Equation,DC Motor Starter (Three Point starter),Efficicency Calculation, Swimbrne’s Test and speed control.
UNIT –V
Construction and principle of operation of single phase transformer – emf equation O.C. & S.C. tests – efficiency and regulation
UNIT-VI
Principle and operation of three phase induction motors – types of motors,Squirrel cage and slip ring motor – slip torque characteristics.
UNIT-VII
Principle and operation of alternators – O.C. & S.C. tests – regulation by synchronous impedance method.
UNIT – VIII
Electrical Instruments: Basic principles of indicating instruments – moving coil and moving iron instruments (Ammeters and voltmeters).
TEXT BOOKS :
1. Introduction to Electrical Engineering by M.S.Naidu and S.Kamakshiah, TMH
2. Basic Electrical Engineering by T.K. Nagasarkar and M.S.Sukhija, Oxford University Press, 2005
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| Author: India 29 Dec 2007 | Member Level: Diamond Points : 4 |
REFERENCES:
1. Theory and Problems of Basic Electrical Engineering by D.P.Kothari & I.J. Nagrath Pearson Education/PHI
2. Essentials of Electrical and Computer Engineering by David V.Kerns,Jr, J.David Irwin; Pearson Education.
3. Basic electrical Engineering, V.N. Mittle, 2nd edition, TMH
4. Principles of electrical engineering, V.K. Mehta, S.Chand publications
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