Patent ID: 11894740
Assignee: WOLONG ELECTRIC GROUP CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 25:
26. The method for selecting a magnitude of a positive voltage pulse and negative voltage pulse for exciting a stator of a sensorless permanent magnet assisted synchronous reluctance motor during startup polarity detection of claim 24, wherein the characterizing surface bridge flux density includes characterizing surface bridge flux density over a range of positive and negative d-axis current values for a sensorless permanent magnet assisted synchronous reluctance motor for a plurality of different rotor positions;
wherein the identifying the range of d-axis current values and corresponding d-axis reflection current values includes, identifying the range of d-axis current values and corresponding d-axis reflection current values at a plurality of different rotor positions.