B.Tech. Degree Programme Electrical Engineering - Lingaya's ...

B.Tech. Electrical Engineering (Regular)REFERENCE BOOKS1. Wadhwa C.L. “Generation, Distribution andUtilization of Electrical Power”; KhannaPublications,20052. Gupta.J. B. “A Course of Electric Power”, S. K.Kataria & Sons, 20093. Uppal .S. L. “Electrical Power”, Khanna Publisher,20054. Dover. A. T. “Electric Traction” , Sir Isaac Pitman &Sons Ltd. 19655. Taylor Open Shaw “Utilization of Electrical Energy”,ELBS, 1995EL-305ELECTRICAL MACHINES-IIL-T-P Cr5-1-0 4OBJECTIVEProviding sound knowledge about the principles ofoperation of various electrical machines, theirconstructional features, and their behavior andcharacteristics under various condition of operation.PRE-REQUISITESKnowledge of electrical technology and electricalmachines-I1. THREE PHASE INDUCTION MOTOR: Review orconstructional details; production of rotating field;induction motor action; torque production; testingof induction motor; losses and efficiency;development of equivalent circuit; performancecharacteristics; circle diagram; starting methods of3 phase induction motor i.e. D.O.L starter; statorrheostat starter; Auto transformer starting; stardelta starter; methods of speed control; statorvoltage control; stator resistance control; frequencycontrol; rotor resistance control; slip powerrecovery control; double squirrel cage rotor; deepbar squirrel cage motor; Induction generator-gridconnected and self excited mode; spaceharmonics and their effect on motor performance.2. SINGLE PHASE MOTORS: Double revolving fieldtheory; cross field theory; equivalent circuit;characteristics and starting of single phase motorby different methods; shaded pole machine.3. PRINCIPLES OF SYNCHRONOUS MACHINES:Construction features of synchronous machines;cylindrical rotor and salient pole machines; termsrelated to winding of synchronous machines; coilspan factor; distributed A.C winding types;distribution factor; excitation systems; E.M.Fequation and harmonic elimination armaturereactions.4. SYNCHRONUS GENERATORS: Interactionbetween excitation flux and armature m.m.f;equivalent circuit model and phasor diagram forcylindrical rotor machine. Salient pole machine:two reaction theory; equivalent circuit; model andphasor diagrams; power angle equations andcharacteristics; slip test; transient and subtransientreactances; voltage regulation: Differentmethods for finding voltage regulation i.e. EMFmethod; MMF method; Pottier triangle method;synchronization of alternators by differentmethods; parallel operation and load sharing;active and reactive power control.5. SYNCHRONUS MOTORS: Principles ofsynchronous motor; V-curve; starting method ofsynchronous motors; damping winding; huntingeffect; synchronous condenser application ofsynchronous motor, testing of synchronousmachine; stability considerations.6. SINGLE PHASE SYNCHRONOUS MOTORS:Hysteresis motor; reluctance motor; single phaseseries and repulsion motor; stepper motors:Variable reluctance and permanent magnetic type.7. SPECIAL ELECTRIC MOTORS: Switchedreluctance motor; linear induction motor; servomotor – A.C and D.C.; scharge motor; disc motors;printed circuit motors.TEXT BOOKBimbra .P. S. “Electrical Machinery”, KhannaPublishing , 2003REFERENCE BOOKS1. Bimbra, P.S., “Generalized Theory of ElectricalMachines”, Khanna Publishers, 20022. Nasar, Syed A “Electric Machines & PowerSystems” Volume-I, McGraw-Hill, Inc. U.S.A.,1995.3. Openshaw Taylor ‘‘The Performance & Design ofA.C. Commutator Motors” E., A. H. Wheeler & Co,1971.4. Fitzgerald Kingsley C & Umans, S.D., “ElectricMachinery, ”McGraw Hill, 20035. Sen.P.C. “Principal of Electric Machines andPower Electronics”, Second Ed., John Wiley &Sons, 1997.6. George. Mcpherson “Introduction to ElectricMachines & Transformers”, John Wiley & Sons,1980EL-306ELECTRICAL MACHINES L-T-P CrDESIGN 5-1-0 4OBJECTIVEProviding sound knowledge about the principles ofoperation of various electrical machines, theirconstructional features, and their behavior andexplaining the various principles of Design concepts ofvarious components of each electrical machine so thatmachines after manufacturer operate at optimumefficiency and economy under various condition ofoperation.PRE-REQUISITESKnowledge of Electrical Materials and ElectricalMachines.1. BASIC CONSIDERATIONS: Basic concept ofdesign; Factors and limitations in design; moderntrends in design and manufacturingtechniques;main dimensions; output equations andoutput co-efficient.2. MAGNETIC FIELDS: Calculation of magneticcircuits, magnetizing, current, coils for givenampere-turns, real and apparent flux densities;tapered teeth; Carter’s co-efficient, leakage fluxesreactances.3. ARMATURE WINDING: General features ofarmature windings; single layer and double layer42