CURRENT-ENERGIZED SYNCHRONOUS MOTOR, PARTICULARLY FOR VEHICLE DRIVES
First Claim
1. A current-energized synchronous motor (1), in particular for vehicle drives, comprising a stator (2) and a rotor (3), the rotor (3) having at least two rotor poles (4) with one energizer winding (7) each, wherein at least one selective magnetic flux barrier, in particular in the form of a radial slot (8) being provided along the main axis (4A) of the rotor pole (4) in each rotor pole (4) for increasing the reluctance moment of the synchronous motor (1).
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Abstract
The invention relates to a current-energized synchronous motor (1) which is suitable in particular for vehicle drives. It consists of a stator (2) and a rotor (3) carrying the energizer winding (7), the rotor (3) having at least two rotor poles (4) with one energizer winding (7) each. The essential feature of the invention is that at least one selective magnetic flux barrier, in particular in the form of a radial slot (8) along the main axis (4A) of the rotor pole (4), is provided in each rotor pole (4) for increasing the reluctance moment of the current-energized synchronous motor (1).
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Citations
12 Claims
- 1. A current-energized synchronous motor (1), in particular for vehicle drives, comprising a stator (2) and a rotor (3), the rotor (3) having at least two rotor poles (4) with one energizer winding (7) each, wherein at least one selective magnetic flux barrier, in particular in the form of a radial slot (8) being provided along the main axis (4A) of the rotor pole (4) in each rotor pole (4) for increasing the reluctance moment of the synchronous motor (1).
- 7. A current-energized synchronous motor (1), in particular for vehicle drives, comprising a stator (2) and a rotor (3), the rotor (3) having at least two rotor poles (4) with one energizer winding (7) each, wherein at least one selective magnetic flux barrier, in particular in the form of a radial slot (8) being provided along the main axis (4A) of the rotor pole (4) in each rotor pole (4) for increasing the reluctance moment of the synchronous motor (1), and wherein a permanent magnet (13) which saturates mechanical bridges in the flux barrier and thus extends the effect of the flux barrier to the total region of the longitudinal axis of the rotor pole (4) is arranged in the rotor pole (4) at least in a section of the slot (8) acting as a flux barrier, and wherein the direction of magnetization of said permanent magnet (13) is tangential with respect to the direction of rotation of said motor.
Specification