The efficiency advantage of a 900 rpm NovaTorque motor versus an 8-pole 900 rpm AC induction motors can grow to 20 points or more at half-rated speed in such applications. That’s a 67% reduction in ...

Poles and Speed Every ac induction motor has poles, just like a magnet. However, unlike a simple magnet, these poles are formed by bundles of magnet wire (windings) wound together in slots of the ...