A CONTROL DEVICE AND A METHOD FOR CONTROLLING AN ELECTRIC DRIVE

Number of patents in Portfolio can not be more than 2000

United States of America

APP PUB NO 20200028409A1
SERIAL NO

16496489

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An electric drive comprises a bearingless electric machine, a converter, and a control device. The stator of the electric machine has a cage winding including bars connected to a conductor ring. The control device controls the converter to supply torque generating current components to the bars so that torque is generated in accordance with electric machine control and to supply levitation current components to the bars so that the rotor of the bearingless electric machine is levitated in accordance with levitation control. The cage winding allows the currents of the bars to be controlled so that different current sheet distributions can be generated so as to generate desired torque and magnetic force.

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  • Owner owned or assignment not recorded

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
JASTRZEBSKI, Rafal Piotr Lappeenranta, FI 2 2

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