A short-shunt d.c. compound generator supplies 250A at 50V. The r shunt field windings are 0.02, 0.08 and 50 ohms respectively. Find th The armature current la The generated voltage Eg An 8-pole d.c. generator has 455 armature conductors, and a usefu the e.m.f. generated if it is lap-connected and runs at 1060 rpm? W driven produce the same e.m.f. if it is wave-wound?

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al Power Technology
A short-shunt d.c. compound generator supplies 250A at 50V. The resistance of armature, series field and
shunt field windings are 0.02, 0.08 and 50 ohms respectively. Find the emf generated.
The armature current la
The generated voltage Eg
An 8-pole d.c. generator has 455 armature conductors, and a useful flux of 44 mWb per pole. What will be
the e.m.f. generated if it is lap-connected and runs at 1060 rpm? What must be the speed at which it is to
driven produce the same e.m.f. if it is wave-wound?
Transcribed Image Text:al Power Technology A short-shunt d.c. compound generator supplies 250A at 50V. The resistance of armature, series field and shunt field windings are 0.02, 0.08 and 50 ohms respectively. Find the emf generated. The armature current la The generated voltage Eg An 8-pole d.c. generator has 455 armature conductors, and a useful flux of 44 mWb per pole. What will be the e.m.f. generated if it is lap-connected and runs at 1060 rpm? What must be the speed at which it is to driven produce the same e.m.f. if it is wave-wound?
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