Please answer in typing format Draw voltage phasor diagramsfor varying load shapes of salientpole synchronous generatorsand subtract the inducedvoltage.

Phasor Diagram of Salient Pole Synchronous generators :-Phasor diagram for lagging p.f. Load :-…

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Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter33: Single-phase Motors

Section: Chapter Questions

Problem 36RQ

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Similar questions

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.
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 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.
A 4 pole dc generator with duplex wave winding has 48 slots and four elements per slot. The flux perpole is 2.5 x 10 Maxwells and the speed of the prime mover is 30 rpm. What is the average generatedarmature voltage? Neglecting brush drop.
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 three phase stator is shown below. The positive polarity of the currents is shown in the image. The windings are fed with the following balanced three phase currents: la-lmcos(wt) Ib-Imcos(wt-90°) Ic=Imcos(wt+90°) a) Where would you label the positive axes of all three phase windings in the image? b) Draw the magnetic field vectors produced by each single phase, and the total rotating magnetic field for wt = 0° and wt = 90° in the following figures. c) Is the rotating magnetic field clockwise or counter-clockwise?
A 3-phase, 12-pole, star-connected alternator has 180 slots with 10conductors per slot and the conductors of each phase are connectedin series. The coil-span is 144° (electrical). Determine the phase andline values of emf if the machine runs at 600 rpm and the flux per poleis 0.06 weber distributed sinusoidally over the pole.
D2. When a generator's full-load output voltage is the same as its no-load output voltage it is said to be a) under-compounded b) flat-compounded c) over-compounded d) none of the above D3. The output of an overcompounded DC generator can be lowered by use of a a) rheostat connected in series with the series field b) rheostat connected in parallel with the series field c) rheostat connected in parallel with the shunt field d) none of the above D4. When might it be desirable to use an overcompounded generator? a) never b) always c) to compensate for line loss d) when you need a higher no-load voltage than your full-load voltage
Draw a complete phasor diagram of a single-phase synchronous generator at a general unity power factor. Draw also the equivalent circuit of the generator. Phase resistance must be included in the phasor diagram.
A 6 pole wave wound d.c. shunt generator has 500 conductors. A generator delivers 50 kW of power at 250 voltage at full load. The resistance of the field circuit is 125 2. Actual brush shift is 10°. Then find the demagnetizing and cross magnetizing ampere turns per pole and how many additional turns must be wound on each pole to eliminate the demagnetizing effect.
Question 43
A synchronous generator is connected to a pure capacitive load. The field excitation is kept constant and the stator resistance is assumed negligible. Explain, with the help of phasor diagram(s), how the generator’s terminal voltage will vary when the capacitive load is increased while the power factor is kept constant.

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Draw voltage phasor diagrams for varying load shapes of salient pole synchronous generators and subtract the induced voltage.