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Flashcards in Dc Generators Deck (15):
1

Which of the following materials is commonly used in commutating brushes?

Carbon

2

The rotating part of a generator is called the?

The Armature

3

Which of the following is the best description of a DC generator?

A converter of mechanical energy to electrical energy

4

What type of current is produced by the generators rotating armature?

Sinusoidal ac

5

What is the part responsible for the opening of a generator to be uni directional current?

The commutator

6

At what point in the rotation with the Armature produce no voltage?

At the electrical neutral plane

7

Which of the following will have the greatest resistance?

The shunt field

8

The initial build up of voltage and in Self excited generator is dependent on ?

Residual magnetism

9

In a self excited shunt generator does not build up voltage which of the following is a common term for a maintenance procedure which may solve the problem ?

Flash the field circuit

10

When will a series generator produce the greatest output voltage?

At full load

11

When will a shunt generator produce the greatest output voltage?

At no load

12

Which field is responsible for the resultant amount of compounding?

Series field

13

The stater pool shown to the right shows a differential compounding connection?

False

14

The most common generator connection is the cumulative compound short shunt

True

15

Interposed are connected in blank with the generator Armature?

Series