MULTI-EXCITATION-SOURCE AXIAL-FLUX PERMANENT-MAGNET MOTOR WITH PARTITIONED, HIERARCHICAL, AND VARIABLE POLES, AND VARIABLE-CONDITION DRIVING CONTROL SYSTEM
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United States of America
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Issued Date -
Mar 6, 2025
app pub date -
May 6, 2023
filing date -
May 6, 2023
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Abstract
The present disclosure provides a multi-excitation-source axial-flux permanent-magnet motor with partitioned, hierarchical, and variable poles, and a variable-condition driving control system. The motor mainly includes a main magnetic pole and an auxiliary magnetic pole. The main magnetic pole is responsible for providing a main air gap flux and is connected in series with a dual-stator magnetic circuit. The auxiliary magnetic pole is responsible for adjusting an air gap field and is connected in parallel with the dual-stator magnetic circuit. Magnetic fluxes of the main magnetic pole and the auxiliary magnetic pole together constitute the air gap field. The present disclosure can control a flux path of the auxiliary magnetic pole by controlling the magnitude of a current applied to a field winding, thereby adjusting an air gap flux, expanding a speed range of the motor, and achieving variable-condition operation of the motor.
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