The stator of a 3-phase, 16-pole alternator has 144 slots and there are 4 conductors per slot connected in 2 layers and the conductors of each phase are connected in series. If the speed of the alternator is 397 rpm, calculate (a) kc, (b) kd, and (c) the emf inducted per phase. The resultant flux in the air-gap is 5 x 10-2 webers per pole sinusoidally distributed. Assume the coil span as 150° electrica

The stator of a 3-phase, 16-pole alternator has 144 slots and there are 4 conductors per slot connected in 2 layers and the conductors of each phase are connected in series. If the speed of the alternator is 397 rpm, calculate (a) kc, (b) kd, and (c) the emf inducted per phase. The resultant flux in the air-gap is 5 x 10-2 webers per pole sinusoidally distributed. Assume the coil span as 150° electrica

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.16P: A single-phase, 120V(rms),60Hz source supplies power to a series R-L circuit consisting of R=10 and...

See similar textbooks

Similar questions

A 4-pole, 3-phase, 50-Hz, star-connected alternator has 60 slots, with 4 conductors per slot. Coils are short-pitched by 3 slots. If the phase spread is 60º, find the line voltage induced for a flux per pole of 0.943 Wb distributed sinusoidally in space. All the turns per phase is in series.
The flux density distribution in the air-gap of a 50 Hz alternator is given by the expression B=B1msinθ+(B1m/3)sin3θ. The armature winding, which can be assumed to be uniformly distributed, is a 3-phase, narrow-spread, full-pitched winding with 120 turns per phase. If the total flux per pole is 0.1 Wb, calculate the rms value of the emf per phase and the form factor of the phase emf. (2345 V,1.06)
Calculate the speed and open-circuit line and phase voltages of a 4-pole, 3-phase, 50-Hz, star-connected alternator with 36 slots and 19 conductors per slot. The flux per pole is 0.019 Wb and is sinusoidally distributed.
A 6-pole, 3-phase, 60-cycle alternator has 12 slots per pole and four conductors per slot. The winding is 5/6 pitch. There are 2,500,000 maxwells (0.025 weber) entering the armature from each north pole, and this flux is 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.
A 3-phase, 16-pole alternator has a wye connected armature winding with 144 slots, 10 conductors per slot and runs at 450 rpm. The flux is 40 mWb per pole and the distribution factor is 0.966. What value of the line-to-line voltage in kV?
Calculate the speed and open-circuit line and phase voltages of a 4-pole, 3-phase, 50Hz, star connected alternator with 36 slots and 30 conductors per slot. The flux per pole is 0.0496 Wb and is sinusoidally distributed.
Kindly solve the problem with step by step complete solution. Also show the given and formula used. Thank you! 1. A twelve-pole, AC single phase alternator has 144 slots, 2/3 of which are wound with 8 conductors/slot. The flux per pole is 42 mWb, sinusoidally distributed. The distribution factor is 0.829 and the coil span factor is unity. If the speed is 500 rev/min, find emf generated.
Find the no-load phase and line voltage of a star-connected, 4-pole alternator having flux per pole of 0.1 Wb sinusoidally distributed, 4 slots per pole per phase, 4 conductors per slot, double layer winding with a coil span of 150°. Assume f = 50Hz.
A 500 kVA, 11 kV, 3-phase star-connected alternator has the following data : Friction and windage loss = 1500 W Open-circuit core loss = 2500 W Effective armature resistance per phase 40 ohm Field copper loss = 1000 W Find (a) alternator efficiency of half-full load and at 0.8 power factor lagging, (b) maximum efficiency of the alternator.
A 50 Hz, 2 pole, 3Φ star-connected turbo alternator has 54 slots with 4 conductors per slot. The pitch of the coils is 2 slots less than the pole pitch. If the machine gives 3300 V between lines on open circuit sinusoidal flux distribution, determine the useful flux per pole.
A 4-pole alternator, on open-circuit, generates 200 V at 50 Hz when the field current is 4 A.Determine the generated EMF at a speed of 1200 rpm and a field current of 3 A, Neglect saturation in the iron parts.
A 16 pole, 3 phase, star-connected generator has 192 slots in its armature having 14 conductors per coil. Calculate the induced emf if the pitch is 85.6 % and the flux per pole is 5,790,000 Maxwells, running at 450 rpm.