50kW,250V shunt generator operates on full load at 1500rpm.The armature has 6 poles and lap wound with 400 conductors. The armature and field resistance are 0.01ohm and 125 ohm respectively.
1) find the induced emf and the flux per pole at no load.
2)
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Answer:
Constructionally, there is no basic difference between DC generator and
DC motor. The DC machine can be used as generator or as motor.
When field magnets are excited in multipolar DC motor, and its
armature conductors are supplied with current from the supply, they
experience a force tending to rotate the armature. Armature conductors
under N-pole are assumed to carry current downwards (crosses) and
those under S-poles to carry current upwards (dots).
Explanation:
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