Pitch factor (or chord factor) K_p of an alternator coil short-pitched by angle alpha is equal to:
Asin(alpha / 2)
Bcos(alpha / 2)
Ctan(alpha / 2)
Dcos(alpha)
Explanation
Pitch factor K_p is defined as the ratio of vector sum of induced EMFs per coil to arithmetic sum, which equals cos(alpha / 2).

No Comments