BigPatents India

The invention concerns a machine comprising a rotor, a stator (12), a control bridge (10) with controlled switches, and a control device (20, 30) supplying control signals (C) to the control bridge (10), wherein the control device comprises means (30) for applying to at least one switch of the control bridge a control signal with a phase-lead relative to a signal representing the position of the rotor relative to the stator. According to the invention, said applying means comprise means (30) for adjusting the phase lead (8) from a plurality of values for a given rotational speed of the rotor. No. of Pages : 21 No. of Claims : 12