Physics · Electrical Machines
Why are fractional-pitch (short-pitch) windings preferred in alternators despite resulting in a lower total induced EMF per coil?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1They completely eliminate the need for slot insulation.
- 2They increase the copper weight in the end connections.
- 3They allow for higher voltage generation at the terminals.
- 4They suppress harmonics and improve the output waveform and efficiency.✓
Correct answer
They suppress harmonics and improve the output waveform and efficiency.
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