Q1. a) Describe any two methods of determining the voltage regulation of 3 -phase alternator. (8) b) Two alternators are connected in parallel, what happens when we increase the excitation of one machine. (8)
Q2. (a) Draw circuit diagram and explain working of Star – Delta starter. (8)
(b) Explain with diagram how direction of single phase induction motor is reversed. (8)
Q3. With reference to the provision of a shore electrical supply to a ship:
a) Sketch an arrangement for taking A.C. Shore supply and checks to be carried out prior taking shore connection? (8)
b) Describe the methods of safely connecting the arrangement sketched in (A) to the shore supply? (8)
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