A 25 kva 220-volt three phase alternator delivers rated kva at 0.84 power factor. The effective ac resistance between the armature winding terminals is 0.18. The field takes 9.3 amperes at 115 volts. If the friction and windage loss is 460 watts and the core loss is 610 watts. What is the hp delivered by the prime mover? A 32.6 B 31.54 C 28.15 D 33.23

Q: A single-phase AC generator feeds a load. The generator may be modeled as an ideal sinusoidal…

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Q: Draw the equivalent output waveform for every series and parallel clipper circuit network.

A: According to the given question, it is required to draw the equivalent output waveform for every…

Q: A 4 pole d.c. generator runs at 750 r.p.m. and generates an emf of 240 V. The armature is wave wound…

A: Solution:Given data;D.c. generator,Pole p=4, Runs N=750 r.p.m,e.m.f E=240 V,Armature Wave.…

Q: In a three-phase star connected alternator it is necessary to generate 7200 line voltage at…

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Q: There are 72 slots in a 3-phase, 8-pole, 50 Hz, star connected alternator. There are 2 conductors in…

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Q: 3.17. A 200-turn coil is rotating at a speed of 3600 rpm in a 4-pole generator. The flux per pole is…

A: The given question is solved in step by step process.Explanation:

Q: A 1200 kVA, 6600 volt, 3-phase, Y-connected alternator has an effective resistance of 0.40 ohm and a…

A: Power factor :- It is the ratio of Active power to the Apparent power of the circuit. Power factor=…

Q: v. With reference to an 50 Hz3 phase alternator explain how P,Q,V and F are controlled.

A: It is asked to explain the control of P (active power),Q (reactive power), V (voltage) and F…

Q: An Armature runs at 250 r.p.m. and generates an e.m.f. at 50 Hz. There are 216 slots each…

A: The information provided in question are:

Synchronous Generator

In comparison to an asynchronous generator, it is a machine where the rotor speed is equal to the rotating magnetic field produced by the stator, i.e., mechanical speed is equal to the electrical speed, thus called synchronous, and not asynchronous.

Salient Pole Rotor

Salient pole rotor includes a large number of exposed poles mounted on a magnetic wheel. The construction of a bright pole is as shown in the image on the left. The proposed poles are made of metal laminations. The rotor winding is provided on these poles and is supported by pole shoes.