certain generator has an open-circuit voltage of 12 V and an internal resistance of 40Ω . Calculate: (a) the load resistance for maximum power transfer; (b) the corresponding values of the terminal voltage and of the power supplied to the load. If the load resistance were increased to twice the value for maximum power transfer, what would be the power absorbed by the load?
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.
15. A certain generator has an open-circuit voltage of 12 V and an internal
resistance of 40Ω . Calculate: (a) the load resistance for maximum power
transfer; (b) the corresponding values of the terminal voltage and of the
power supplied to the load.
If the load resistance were increased to twice the value for maximum power
transfer, what would be the power absorbed by the load?
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