Q5. Write short notes on
a) short circuit protection to Induction motors (8)
b) Overload protection to induction motors (8)
Q3. What is soft starting of an Induction Motor? Describe with a circuit using thyristors used for soft starting. Discuss its advantages and disadvantages. (16)
Q3. With reference to squirrel cage, induction, electric motors:
A. Describe the construction of such a motor. (6)
B. Sketch the torque against speed curve of such a motor. (5)
C. Describe a method employed by a retrofitted device used to improve the part load performance of an induction motor. (5)
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