Full Name :Arumugam.P
College Name :SNS College of technology
Subject Code :080280039
Subject Name :Electrical machines-II
Study Material Description :aaru edition 2014 QP
Question Paper Code : 31230
B.E./B.Tech. DEGREE EXAMINATION, MAY/JUNE 2013.
Electrical and Electronics Engineering
080280039 — ELECTRICAL MACHINES — 11
.Time : Three hours
Maximum : 100 marks
Answer ALL questions.
PART A— (10 x 2 .20 marks)
1.Draw the phasor diagram of an alternator for lagging and leading P.S. loads.
2.Define the voltage regulation of an alternator and mension the condition for
maximum voltage regulation.
3.What is synchronous condensor?
4.Define breadth factor in synchronous machine winding.
5.Mention the factors on which the torque of a 34 induction motor depends.
6.A three phase inductions motor is connected to 34, 420 V, 60 Ha. What must
be the voltage at 50 Hz for satisfactory operation?
7.Draw the power stages of 34 induction motors.
8.What is cascade connection of three phase induction motor?
9.Why single phase induction motors are not-self starting?
10.Mention the different applications of reluctance motor.
080280039 EM-II May June 2013 QP.pdf (Size: 1.81 MB / Downloads: 190)
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