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Questions and Answers
Where are the field windings typically located in an alternator?
Where are the field windings typically located in an alternator?
- On the slip rings
- On the rotor (correct)
- On the stator
- On the armature
Which type of rotor winding is commonly used with high-speed prime movers like steam or gas turbines?
Which type of rotor winding is commonly used with high-speed prime movers like steam or gas turbines?
- Salient pole type rotor windings
- Brushless exciter rotor windings
- Non-salient pole type rotor windings (correct)
- Slip ring type rotor windings
How is the DC power supplied to the field circuit on the rotor of a synchronous generator?
How is the DC power supplied to the field circuit on the rotor of a synchronous generator?
- Using a brushless exciter mounted on the stator
- Through external AC source
- Via slip rings and brushes (correct)
- By connecting directly to the armature windings
What is the purpose of slip rings in a synchronous machine?
What is the purpose of slip rings in a synchronous machine?
What is a major disadvantage of using slip rings and brushes in synchronous machines?
What is a major disadvantage of using slip rings and brushes in synchronous machines?
How do brushless exciters differ from machines that use slip rings and brushes for excitation in synchronous machines?
How do brushless exciters differ from machines that use slip rings and brushes for excitation in synchronous machines?
What is the part of a generator that produces the magnetic field called?
What is the part of a generator that produces the magnetic field called?
In which type of alternator does the armature rotate while the field poles stay stationary?
In which type of alternator does the armature rotate while the field poles stay stationary?
What is the function of slip rings in an alternator?
What is the function of slip rings in an alternator?
Why is the rotating armature typically found in alternators of low power rating?
Why is the rotating armature typically found in alternators of low power rating?
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