The uncertainty in an ammeter is 0.1A and the uncertainty in measurement of power is 30 watts. If the reading of ammeter is 8A and the calculated power is 1200 watt then what will be the uncertainty in voltmeter reading? (Assume ammeter-voltmeter method is used for measurement of power)

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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.