Physics · Electrical Machines

A 10-pole, three-phase, 50 Hz alternator has 180 slots. If the armature coils are short-pitched by two slots, what is the pitch factor?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1sin(10°)
2cos(20°)
3sin(20°)
4cos(10°)✓

Correct answer

cos(10°)

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A 10-pole, three-phase, 50 Hz alternator has 180 slots. If the armature coils are short-pitched by two slots, what is the pitch factor?

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A 10-pole, three-phase, 50 Hz alternator has 180 slots. If the armature coils are short-pitched by two slots, what is the pitch factor?

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