This document compares salient-pole and non-salient-pole motors. Salient-pole motors can have more than 4 poles and operate from 100 to 1500 RPM while non-salient-pole motors are limited to 2 to 4 poles and operate above 1500 RPM. Both motor types use rotor cooling.

1. Salient-Pole VS Non-salient-Pole

2. Non-salient-Pole
1 pole 2- 4
pole
2 >
1500 RPM
3 rotor
4 cooling
Salient-Pole
1 pole > 4 pole 5 GT,ST
2 100 – 6
1500 RPM Salient
3 rotor
4 cooling