The open-circuit characteristic of a shunt generator when separately excited and running at 1000 rev/min is given by: (E.M.E.U.) Open-circuit voltage Field amperes 56 112 150 180 200 216 230 0-5 10 1-5 2:0 2.5 3.0 3-5 TE the generator is shunt-connected and runs at 1100 rev/min with a total field resistance of 80 2, determine: (a) the no-load e.m.f.; CD) the output current when the terminal voltage is 200 V if the armature resistance is 0-1 Q. () the terminal voltage of the generator when giving the maxi- mum output current, Neglect the effect of armature reaction and of brush contact drop.
The open-circuit characteristic of a shunt generator when separately excited and running at 1000 rev/min is given by: (E.M.E.U.) Open-circuit voltage Field amperes 56 112 150 180 200 216 230 0-5 10 1-5 2:0 2.5 3.0 3-5 TE the generator is shunt-connected and runs at 1100 rev/min with a total field resistance of 80 2, determine: (a) the no-load e.m.f.; CD) the output current when the terminal voltage is 200 V if the armature resistance is 0-1 Q. () the terminal voltage of the generator when giving the maxi- mum output current, Neglect the effect of armature reaction and of brush contact drop.
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Transcribed Image Text:a total field resistance of 80 2, determine:
10. The open-circuit characteristic of a shunt generator when separately
excited and running at 1000 rev/min is given by:
(E.M.E.U.)
Open-circuit voltage
Field amperes
56 112 150 180 200 216 230
0-5 1-0 1-5 2:0 2-5 3-0 3:5
TE the generator is shunt-connected and runs at 1100 rev/min with
(a) the no-load e.m.f.;
CD) the output current when the terminal voltage is 200 V if the
armature resistance is 0-1 Q.
() the terminal voltage of the generator when giving the maxi-
mum output current,
Neglect the effect of armature reaction and of brush contact drop.
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