QUESTION 25 If the system base power is 50MVA and the base current is 1000 A, serving a load of 500 02, the PU impedance would be: A. None of the other choices are correct B. 10 C. 1.0 D. 0.1 E. 100 QUESTION 26 Instantaneous power output of a 3-phase 60 Hz generator will not be constant under following condition: A. The load is unbalanced. 4 B. The load draws only reactive power. C. The load draws both real and reactive power. D. The load draws only real power. E. None of the other choices
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.
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