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Anna University B.E. E.E.E - Semester 4 - ELECTRICAL MACHINES II


Posted Date: 10 Dec 2007    Resource Type: Articles/Knowledge Sharing    Category: General
Posted By: Bala       Member Level: Diamond
Rating:     Points: 1



EE 234 ELECTRICAL MACHINES II

1. SYNCHRONOUS MACHINES
Construction – types – circuit model – synchronous reactance – voltage regulation – EMF, MMF, POTIER and ASA methods – armature reaction – synchronizing – parallel operation – operating characteristics – capability curves – salient pole synchronous machines – hunting – short circuit transients.

2. THREE PHASE INDUCTION MACHINES
Construction – types – principle of operation – equivalent circuit – torque and power output – testing – circle diagram – cogging and crawling – starting and speed control – double cage rotor – induction generator – synchronous induction motor.

3. FRACTIONAL HORSEPOWER MOTORS
Single phase induction motor – double revolving field theory – equivalent circuit – performance analysis – load characteristics – starting methods – shaded – pole induction motor – variable reluctance motor – stepper motor – hysteresis motor – AC series motor – repulsion motor – linear motor – permanent magnet DC and AC motors.



Responses
Author: Bala    10 Dec 2007Member Level: Diamond   Points : 1
TEXT BOOK
1. Nagrath,I.J.and Kothari.D.P., ‘Electric Machines’, T.M.H publishing Co Ltd., New Delhi 1990.

REFERENCES
1. Fitzgerald,A.E.Charles Kingsley Jr.Stephen D.Umans, ‘Electric Machinery’, McGraw-Hill Book Company,1992
2. Syed A.Nassar, ‘Electric Machines and Power System’, Volume I, McGraw-Hill Inc., New York, 1995.



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