Dc Generators Flashcards
Which of the following materials is commonly used in commutating brushes?
Carbon
The rotating part of a generator is called the?
The Armature
Which of the following is the best description of a DC generator?
A converter of mechanical energy to electrical energy
What type of current is produced by the generators rotating armature?
Sinusoidal ac
What is the part responsible for the opening of a generator to be uni directional current?
The commutator
At what point in the rotation with the Armature produce no voltage?
At the electrical neutral plane
Which of the following will have the greatest resistance?
The shunt field
The initial build up of voltage and in Self excited generator is dependent on ?
Residual magnetism
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
When will a series generator produce the greatest output voltage?
At full load
When will a shunt generator produce the greatest output voltage?
At no load
Which field is responsible for the resultant amount of compounding?
Series field
The stater pool shown to the right shows a differential compounding connection?
False
The most common generator connection is the cumulative compound short shunt
True
Interposed are connected in blank with the generator Armature?
Series
