Q3. a) Sketch a main engine shaft driven generator arrangement with an electronic system for frequency correction. (8)
b) Describe the operation of the generator arrangement sketched in (a). (8)
Q2. It is proposed to operate a bow thrusters’ unit from a 3.3 KV electrical supply online suitable option for the design of installation under each of the following heading.
a) Protection of main switch board:
b) Overload of a bow thrusters motor:
c) Cable Protection. (16)
Q3. Explain the matching of an induction electric motor to a pump required for main circulating duty, with the aid of pump characteristic and torque/ship diagrams (16)
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