Question 1: What do the no-load characteristics of a DC shunt generator describe? A) The relationship between load current and generated voltage B) The relationship between armature current and field current C) The relationship between generated voltage and field current Question 2: What happens if the field circuit of a DC shunt generator is opened while operating at rated speed and with the same polarity of field flux and residual flux? a) The generator will continue to operate normally b) The generator will immediately stop c) The voltage will gradulally decrease to zero Question 3: How does a decrease in speed affect the voltage output of a DC shunt generator under no- load conditions? A) Voltage output increases 6) Voltage output decreases C) Voltage output remains constant

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A:

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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.