9.5 Find the no-load terminal voltage of an 8-pole Alternator when driven at750 rpm from the following data: Flux per pole 0.035 Wb distributedsinusoidally; slots per pole per phase 5; conductors per slot 24; two-layer winding;phase-spread 60°; coil-span 144° star-connection.

Key parameters of the 8-pole alternator operating at 750 rpm include frequency, turn/phase, and…

Answered: 9.5 Find the no-load terminal voltage…

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter31: Three-phase Alternators

Section: Chapter Questions

Problem 1RQ: What conditions must be met before two alternators can be paralleled together?

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Similar questions

Please solve , last time i got wrong answer
There are 160 slots in a 3-phase, 8-pole, 50 Hz., star connected alternator. There are 4 conductors in each slot and all the conductors in a phase are connected in series. Coil span is 150° electrical and the flux per pole is 0.08 Weber sinusoidally distributed. Calculate the emf induced per phase.
A single phase, 2000 V alternator has armature resistance and reactance of 0.8 ohms and 4.94 ohms respectively. The voltage regulation of the alternator at 100 A load at 0.8 leading power factor is ??
A synchronous generator runs at 250 rpm and generates at 50-Hz. There are 216 slots, each containing 5 conductors arranged in a full-pitched winding for 3-phase star connection. All the conductors of each phase are in series and the flux per pole at no-load sinusoidally distributed over the pole pitch is 30 mWb. Find the emf induced in each phase winding and the terminal voltage.
An Armature runs at 250 r.p.m. and generates an e.m.f. at 50 Hz. There are 216 slots each containing 5 conductors. The winding is distributed and full pitch. All the conductors of each phase are in series and flux per pole is 30 mWb which is sinusoidal distributed.Calculate the number of pole.
A 3-phase 4-pole alternator has 48 stator slots carrying the 3-phase distributed winding. Each coil of the winding is short chorded by one slot pitch. The winding factor is given by
A four-pole three-phase 50 hertz, star connected AC generator has 12 stator slots. There are 4conductors per slot and a sinusoidally distributed flux per pole of 36mWb. Find the terminal voltageon open circuit. If the coil span factor is 0.85 lagging.
The dc armature resistance of delta-connected alternator measured across its two terminal is 0.8 ohm. The effective resistance per phase is?
A 20-pole, Y-connected, three-phase, 400-Hz alternator has 3 coils per phase group. Each coil has 2 turns and the flux per pole is 23 mWb. The coils are connected in two parallel groups. Determine (a) the rotor speed, (b) the number of slots in the armature, (c) the winding factor, (d) the per-phase voltage, and (e) the line voltage.
A 6-pole ,3 phase , 60 cycle alternator has 12 slots per pole and four conductor per slot. The winding is 5/6 pitch. There are 2,500,000 Maxwell ( 0.025 weber ) entering the armature from each north pole, and this flux sinusoidally distributed along the air gap. The armature coils are all connected in series , The winding is wye connected. Determine the open circuit emf of the alternator.
Two similar single phase alternators are operating in parallel. The armature winding resistance of each generator is 0.025 ohm and its synchronous reactance is 0.06 ohm. Calculate the angle between two equal voltages of 230 if the circulating current is 1,000 amperes.
Can you please answer Problem 49 to 51.

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9.5 Find the no-load terminal voltage of an 8-pole Alternator when driven at 750 rpm from the following data: Flux per pole 0.035 Wb distributed sinusoidally; slots per pole per phase 5; conductors per slot 24; two-layer winding; phase-spread 60°; coil-span 144° star-connection.