Academics – Electro-Technology : 2019/MAR/07
Question
Q7. (a) State the function of an AVR. (2)
(b) State FOUR conditions external to an alternator that causes its terminal voltage to drop. (4)
(c) Sketch and label a typical AVR response curve, identifying the application of load, recovery time, maximum acceptable voltage dip, and the permissible steady-state voltage regulation. (6)
(d) State the function of an AVR trimming potentiometer for EACH of the following cases:
(i) When a generator operates in standalone mode;(2)
(ii) When a generator operates in parallel. (2)
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