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Questions and Answers
What is the origin of the name 'synchronous' for synchronous machines?
What is the origin of the name 'synchronous' for synchronous machines?
- It comes from 'syn' meaning system and 'chronos' meaning frequency
- It comes from 'syn' meaning symmetrical and 'chronos' meaning rotation
- It comes from 'syn' meaning synchronized and 'chronos' meaning speed
- It comes from 'syn' meaning equal and 'chronos' meaning time (correct)
What type of AC machine has a field circuit supplied by an external DC source?
What type of AC machine has a field circuit supplied by an external DC source?
- Synchronous machines (correct)
- Induction machines
- Single-phase machines
- Three-phase machines
What determines the mechanical shaft speed of synchronous machines?
What determines the mechanical shaft speed of synchronous machines?
- The induced voltage frequency
- The DC field winding on the rotor
- The power system’s line frequency (correct)
- The AC armature winding on the stator
What is the function of the field circuit in synchronous machines?
What is the function of the field circuit in synchronous machines?
Why are synchronous machines called 'synchronous'?
Why are synchronous machines called 'synchronous'?
Flashcards
Origin of 'synchronous'?
Origin of 'synchronous'?
The name 'synchronous' originates from 'syn' meaning equal and 'chronos' meaning time.
Synchronous machine field circuit?
Synchronous machine field circuit?
Synchronous machines are AC machines with a field circuit supplied by an external DC source.
Synchronous machine speed?
Synchronous machine speed?
The mechanical shaft speed of synchronous machines is determined by the power system’s line frequency.
Field circuit function?
Field circuit function?
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Why 'synchronous'?
Why 'synchronous'?
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