Self‐compensation of torque reaction in an induction contra‐rotating propulsion motor

Abstract

Torque reaction is one of the most critical issues with current aerial and undersea vehicles. Contra-Rotating Propulsion (CRP) systems are the most popular technique for compensating the torque reaction of floating vehicles. However, the unbalanced load conditions are inescapable in CRP systems, which eliminate the net zero torque reaction and impulse unwanted spinning on vehicle. A new single-phase dual rotor axial flux induction motor has been investigated in this paper that has the ability of self-compensate reaction torque against unbalanced loads. The proposed motor can eliminate the requirement for complicated torque reaction control systems. Finite element simulation shows the expected performance of proposed motor under unbalanced conditions. The simulation results have been verified by experimental testing of a motor prototype.