A 50 Hz, 10 MVA, 11 kV generator has an inertia constant of 10 MWS/MVA. What is the angular momentum of the rotor? a. 0.542 MJs/elec.rad b. 0.102 MJs/elec.rad c. 0.636 MJs/elec.rad d. 0.236 MJs/elec.rad

Q: If the synchronizing power coefficient and the change in the rotor angle is given by 1.2 p.u and…

A: Synchronized power coefficient  The change in the rotor angle = 1.2 and 0.89 Change in the power = ?…

Q: A separately excited DC generator is rated at 172 kW, 430 V, 400 A and 1800 rpm. Its magnetization…

A: The Given Separately Excited DC generator is rated at 172kW,430V,400A and 1800r/min The…

Q: The speed of an alternator rotor in rpm that has 4 poles and is producing a voltage at 45.4 Hertz…

A:

Q: An alternating f.e.m generator has an effective value of 2000 V and a frequency of f=100 Hz. Find…

A: An alternator f.e.m generator has,The effective voltage of the generator, .The frequency of the…

Q: A generator of 200MVA rating has an inertia constant of 10MJ/MVA. With the same rotor, if the rating…

A: Given, Generator power rating, S1=200 MVA. With inertia constant, H1=10 MJMVA. With same rotor,…

Q: A 60 Hz alternator stator is wye connected with each phase winding having 24 turns of wire. The…

A: f=60HzT=24 turnsϕ=0.103 weber

Q: 1. Sinewave A lags sinewave B by 30°. Both have peak values of 15V. Sinewave A is the reference with…

A:

Q: 8max : 0:5 T 0.ST, 1800 rpm O.5T In a two pole 3-p synchronous generator, the peak flux of rotor…

A: The solution can be achieved as follows.

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.