A kind of effective reduction of motor torque ripple's isolated magnetic slot

Abstract

This utility model relates to a magnetic isolation slot that effectively reduces motor torque ripple, belonging to the field of motor technology. It includes a protective housing, within which a rotating shaft extends from both ends of the housing. A stator core, nested and fixedly connected to the housing, is located between the rotating shaft and the housing. A rotor, inserted and connected to the rotating shaft, is located between the rotating shaft and the stator core. The stator core includes a core shaft, and its inner wall has several equally spaced, annularly distributed winding posts integrated with the core shaft. Magnetic isolation slots penetrating the front sides of each winding post are provided. It features a simple structure and good operational performance. The magnetic saturation effect of the magnetic isolation bridge or slots limits magnetic leakage, thereby improving the uniformity of the magnetic field distribution and reducing torque fluctuations. The magnetic isolation slots adjust armature reaction, improving commutation performance and reducing the risk of sparking.

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