Title :
Torque Ripple Reduction of Saliency-Based Sensorless Drive Concentrated-Winding IPMSM Using Novel Flux Barrier
Author_Institution :
Dept. of Inf. & Comput. Eng., Nat. Inst. of Technol., Toyota, Japan
Abstract :
This paper presents a novel flux barrier design of a torque ripple reduction in a saliency-based sensorless drive concentrated-winding interior permanent magnet synchronous motor (IPMSM). The motor is designed for general-purpose sensorless industrial drives and to fulfill the torque ripple requirement with the required maximum torque under the sensorless drive. The designed rotor has a V-shape magnet, and a circular flux barrier at the rotor yoke in the center of N- and S-poles. A 45-N · m-5.5-kW IPMSM has been manufactured to check the design validity. The validity of the proposed design procedure and the expected drive characteristics are experimentally verified by using the prototype.
Keywords :
driver circuits; machine windings; magnetic flux; permanent magnet motors; sensorless machine control; synchronous motor drives; torque; V-shape magnet; concentrated-winding IPMSM; flux barrier design; permanent magnet synchronous motor; power 5.5 kW; saliency based sensorless drive; sensorless industrial drives; torque ripple reduction; Harmonic analysis; Permanent magnet motors; Prototypes; Rotors; Saturation magnetization; Torque; Trajectory; Cross-coupling; High-frequency injection; cross-coupling; dynamic inductance; high-frequency injection; incremental inductance; industrial drive; magnetic saturation; position sensorless control; position-sensorless control; torque ripple;
Journal_Title :
Industry Applications, IEEE Transactions on
DOI :
10.1109/TIA.2015.2391431