Physics · Synchronous Machines
Why do the inverted V-curves of a synchronous motor exhibit an inverted 'V' shape?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The armature current reaches its maximum value at unity power factor
- 2Stator resistance varies non-linearly with changes in field current
- 3The power factor peaks at unity at the optimal excitation level✓
- 4The mechanical load always varies linearly with field excitation
Correct answer
The power factor peaks at unity at the optimal excitation level
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