Q 5. A wave-wound armature of a 6-pole generator has 51 slots. Each slot contains 20 conductors. The voltage required to he generated is 250 V. What would be the speed of coupled prime mover if flux per pole is 0.07 Wb. If the armature is rewound will be the generated voltage? (Ans. 70 rpm; 83.3 V) lap-wound machine and run by same prime mover, what

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Q5. A wave-wound armature of a 6-pole generator has 51 slots. Each slot contains 20 conductors. The
voltage required to he generated is 250 v. What would be the speed of coupled prime mover if flux per
pole is 0.07 Wb. If the armature is rewound as lap-wound machine and run by same prime mover, what
will be the generated voltage? (Ans. 70 rpm; 83.3 V)
Q6. A 4-pole wave-wound armature rotating at 400 rpm is required to generate 300 V. The effective flux
per pole is about 0.05 Wb. If the armature has 120 slots, determine the suitable number of conductors per
slot and hence determine the actual value of flux required to generate the same voltage. (Ans. 4: 46.875
mWb)
Transcribed Image Text:Q5. A wave-wound armature of a 6-pole generator has 51 slots. Each slot contains 20 conductors. The voltage required to he generated is 250 v. What would be the speed of coupled prime mover if flux per pole is 0.07 Wb. If the armature is rewound as lap-wound machine and run by same prime mover, what will be the generated voltage? (Ans. 70 rpm; 83.3 V) Q6. A 4-pole wave-wound armature rotating at 400 rpm is required to generate 300 V. The effective flux per pole is about 0.05 Wb. If the armature has 120 slots, determine the suitable number of conductors per slot and hence determine the actual value of flux required to generate the same voltage. (Ans. 4: 46.875 mWb)
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