Q9. Describe, with the aid of a circuit diagram, the operation of an automatic voltage regulator (AVR) which employs the use of thyristors. (10)
Q9. Describe the construction and operation of EACH of the following:
(a) Synchronous motor (5) (b) Induction motor. (5)
Q11. a) Sketch a wiring diagram of a shore connection for the supply of electrical power to a vessel, showing the phase sequence indicator. (4)
b) Explain the consequences of connecting an electrical shore supply in EACH of the following cases.
i) In the wrong phase sequence. (2)
ii) At a higher voltage. (2)
iii) At a higher frequency. (2)
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