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Which of the following generators has very low
voltage regulation ?
(a) Shunt generator
(b) Series generator
(c) Differential compound
(d) Cummulative compound generator
UPPCL TG-2, 19.03.2021 Shift II
Ans : (b) Series generator has very low voltage
regulation.
■ Series generator is negative voltage regulation
■ Shunt, separately and under compound generator is
positive voltage regulation.
Order of voltage regulation in descending order :-
Series > Differential > Over compound > Shunt >
separately > Under compound > Flat compound
Voltage regulation :-
This is percentage rise in terminal voltage form No-load
to full load expressed as rated full load voltage.
E V % voltage regulation 100
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