Example with 778 wave-connected armature conductors and run- ning at 500 rp.m. supplies a lood of 12.5 2 resistance at terminal voltage of 50 V The arımature resistance is 0.24 2 and the field resistance is 250 2 Find the armature current, the induced e.m.f. and the flux per pole. An 8-pole d.c. shunt generator

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An 8-pole d.c. shunt generator
Example
with 778 wave-connected armature conductors and run-
ning at 500 rp.m. supplies a load of 12.5 2 resistance at
terminal voltage of 50 V The armature resistance is 0.24
2 and the field resistance is 250 2 Find the armature
current, the incduced e.m.j. and the flux per pole.
Example A separately excited generator, when rumig at 1000 pm. suplied 200 at
125 V. What will be the load current when the speed drops to 800 xp.m.if l,is unchanged? Given
that the armature resistance = 0.04 ohm and
brush drop = 2 V
Transcribed Image Text:An 8-pole d.c. shunt generator Example with 778 wave-connected armature conductors and run- ning at 500 rp.m. supplies a load of 12.5 2 resistance at terminal voltage of 50 V The armature resistance is 0.24 2 and the field resistance is 250 2 Find the armature current, the incduced e.m.j. and the flux per pole. Example A separately excited generator, when rumig at 1000 pm. suplied 200 at 125 V. What will be the load current when the speed drops to 800 xp.m.if l,is unchanged? Given that the armature resistance = 0.04 ohm and brush drop = 2 V
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