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US 12,113,466 B2Granted
Multi-harmonic field oriented control for poly-phase motor/generator systems
AssigneeQuantentech Limited
InventorHengchun Mao
Life of this patent
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Abstract
A method includes configuring a motor drive system with a motor/generator and a plurality of inverters coupled to the motor/generator, configuring a plurality of active harmonic planes to generate a torque on each of the active harmonic planes, and applying a harmonic plane synchronization mechanism to the plurality of active harmonic planes so that torque components and magnetizing components of currents are controlled in coordination on different active harmonic planes to output a desired torque from the motor/generator.
Claims20
A method comprising:
- configuring a motor drive system with a motor/generator and a plurality of inverters coupled to the motor/generator;
- configuring a plurality of active harmonic planes to generate a torque on each of the active harmonic planes;
- and
- applying a harmonic plane synchronization control mechanism to the plurality of active harmonic planes so that torque components and magnetizing components of currents are controlled in coordination on different active harmonic planes to output a desired torque from the motor/generator.
1 more element
A system comprising:
- a motor/generator having a plurality of windings, a rotor and a stator magnetically coupled to the rotor;
- a plurality of power converters connected to respective windings, wherein the plurality of power converters is configured to control currents of the plurality of windings;
- and
- a controller configured to configure a plurality of harmonic currents in a plurality of active harmonic planes to generate a torque on each of the plurality of active harmonic planes, and apply a harmonic plane synchronization control mechanism to the plurality of harmonic currents in different harmonic planes so that current control on different harmonic planes is coordinated to output a desired torque from the motor/generator.
1 more element
A method comprising:
- configuring a motor drive system with a motor/generator and an inverter, wherein:
- the motor/generator has a plurality of windings arranged into a plurality of winding groups;
- and
- the inverter has a plurality of power converter groups, and wherein each power converter group is configured to control currents of a winding group;
- configuring a plurality of harmonic currents in a plurality of active harmonic planes to generator a torque on each active harmonic plane;
- and
- applying a harmonic plane synchronization control mechanism to the plurality of active harmonic planes so that current control on different harmonic planes is coordinated to output a desired torque from the motor/generator.
4 more elements
Dependencies are inferred from the claim text.