Induction motor module and motor incorporating same
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United States of America Patent
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-
Mar 1, 2005
Grant Date -
Jan 29, 2004
app pub date -
Jul 23, 2002
filing date -
Jul 23, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system and method for establishing estimated values of a plurality of electrical parameters of a motor. The plurality of electrical parameters may be established from stator resistance data and electrical input data obtained with no load on the motor. The plurality of electrical parameters may also be established from stator resistance data, electrical input data, and motor speed data obtained at at least two load conditions of the motor. The plurality of electrical parameters may comprise rotor resistance. The system and method may also be used to estimate a plurality of operating parameters of the motor based on the estimated values of a plurality of electrical parameters of the motor. The plurality of operating parameters of a motor may comprise rotor temperature, motor torque, and motor efficiency.
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