Method for identifying the magnetic anisotropy of an electric rotary field machine
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United States of America Patent
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May 24, 2022
Grant Date -
Jan 9, 2020
app pub date -
Jun 26, 2019
filing date -
Jul 3, 2018
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Abstract
A method for identifying the magnetic anisotropy of an electric rotary field machine comprising a rotor and a stator is described, the method comprising the steps of setting injection pulses of equal absolute values during an injection interval, detecting a respective current response in form of current difference vectors, and determining the anisotropy from the voltage vectors and current difference vectors. Such a method should allow identifying of magnetic anisotropy in a simple way. To this end, injection pulses in the three-phase domain are used.
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