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COURSE CODE : 401, , NAME OF COURSE ( SUBJECT ) ELECTRICAL MACHINES-II, OLD PAPER CODE, , NEW PAPER CODE : 6235, , COMMON WITH PROGRAMME, , (BRANCH), , LECTURE HRS. PER WEEK : TH. 06, PR. 02, , LECTURE HRS. PER SEMESTER : TH. 90, PR. 30, , SCHEME OF STUDIES., , , , Topics Theory Hrs. _| Practical Hrs., Three phase induction motor 30 08, ‘Synchronous generator 15 06, Synchronous motor 15 08, Single phase induction motor 12 04, AC commentator motor 06 02, Special purpose motors 12 02, 90 30, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , IV GANDHI PROUDYOGIKI VISHWAVIDYA., , , , , , BHOPAL, JUL.08, R FOURTH SEMESTER, COURSE CODE : 401, NAME OF COURSE ELECTRICAL MACHI, , , , OLD PAPER CODE, NEW PAPER CODE, COMMON WITH PROGRAMME, ( BRANCH), , 3CTURE HRS. PER WEEK, TURE HRS. PER SEM!, , , , 6235, , TH. 06, PR. 02, TH. 90, PR. 30, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , S.No. | COURSE CON’, , 1. Three phase Induction Motor Production of rotating magnetic field, principle, construction and types of induction, motors. Equivalent circuit, torque equation, torque-slip characteristics. Types of, starters: DOL, Star-delta, Autotransformer type, rotor resistance type, contactor type, starter. Speed control. No load and blocked rotor test, losses and efficiency. Braking, and applications. Simple numerical., , 2. Synchronous motor Principle, construction, phasor diagram, effect of change in excitation, V curves,, synchronous condenser, starting of motors, hunting and its prevention, coding of, synchronous machines., , 3. Synchronous generator , construction, salient and cylindrical rotors, speed-frequency relationship,, , EMF equation, distribution and pitch factor, equivalent circuit, synchronous, impedance, regulation, O.C.C. and S.S.C., load characteristics, phasor diagram, parallel, operation. Methods of synchronization, power-angle characteristics., , 4. Single phase induction motors Princi double revolving field theory. Types of motors with their construction,, characteristics and applications. Comparison of three phase with single phase, induction motors, , a. AC commutator motors Introduction, series motor, compensated series motor, commutating poles,, universal motor, repulsion motor., , 6. Special purpose machines Induction motor, stepper motor, PM motor