Device and Method for the Detection of the Rotor Position at Low Rotational Speeds or at a Standstill
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United States of America Patent
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Issued Date -
Sep 13, 2012
app pub date -
Sep 6, 2010
filing date -
Sep 7, 2009
priority date (Note) -
Abandoned
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Abstract
The invention describes a circuit arrangement and a method for the detection of the rotor position at low rotational speeds of rotors or at a standstill. For this, an HF signal is fed into the neutral point (zero sequence) and the rotor position is detected via the distribution of the HF signal in the coils (non-zero sequence).
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