Calibration and monitoring of an angle measuring system for electrical machines
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United States of America Patent
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Mar 6, 2018
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N/A
app pub date -
Jan 24, 2013
filing date -
Feb 23, 2012
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Abstract
An electrical machine includes an angular position transducer for identifying a first rotation angle of a rotor; a stator winding for generating a magnetic field; a voltage measuring instrument for sensing a pole wheel voltage at the ends of the stator winding upon a rotation of the rotor; and an identification circuit for identifying a second rotation angle from the pole wheel voltage and for identifying an angle difference between the first and the second rotation angle.
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