AC Machines

A typical AC machine consists of..

• rotating part and a stationary part.

• rotating part only

• stationary part only

• none

how many parts does the rotor consists of?

• five

• four

• seven

• three

a shaft is where the mechanical energy is applied to rotate the rotor using a prime mover.

• true

• false

Rotor windings are used to produce a magnetic field using an external DC voltage (DC excitation)

• false

• true

what can you see in the picture?

• shaft

• stator

• slip rings

An alternator is a machine that converts mechanical energy into electrical energy.

• true

• false

To produce electricity, either a coil should rotate with respect to the magnetic field, or the magnetic field should rotate with respect to the coil.

• true

• false