Method, an Arrangement and a Frequency Converter for Controlling Vibration of an Electric Machine
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United States of America Patent
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Issued Date -
Jan 19, 2023
app pub date -
Jul 15, 2022
filing date -
Jul 15, 2022
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Abstract
A field of electric drive devices and electric machines, such as electric motors and electric generators for industrial applications, and more particularly to a method, an arrangement and a frequency converter for controlling lateral vibration of an electric machine. The arrangement of the present invention for controlling lateral vibration of an electric machine includes a frequency converter, one or more vibration sensors and an electric machine, wherein the one or more vibration sensors is/are arranged for measuring the lateral vibration from the electric machine and for producing measured vibration data; and wherein the frequency converter is arranged for generating a control torque for exerting the control torque on the stator of the electric machine, the control torque being determined utilizing the measured vibration data.
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