Non-intrusive method for extrapolating an internal stator...

Details Non-intrusive method for extrapolating an internal stator... Non-intrusive method for extrapolating an internal stator...

G - Physics

01

K

G01K 13/00 (2006.01) G01K 3/14 (2006.01) G01R 31/34 (2006.01) H02K 9/00 (2006.01)

Patent

CA 2583281

A method for non-intrusive determination of an internal temperature of a given area of an electrical machine stator, comprises obtaining a temperature gradient between an internal wall of the stator and an external wall of the stator, obtaining temperature measurements at locations on the external wall of the stator, and using the temperature gradient and the external temperature measurements to extrapolate corresponding internal temperatures of the stator.

L'invention concerne une méthode pour la détermination non intrusive d'une température intérieure d'une zone donnée d'un stator de machine électrique. Cette méthode consiste à obtenir un gradient de température entre une paroi intérieure du stator et une paroi extérieure du stator, à obtenir des mesures de température au niveau d'emplacements donnés sur la paroi extérieure du stator, et à utiliser le gradient de température et les mesures des températures extérieures en vue d'une extrapolation des températures intérieures correspondantes du stator.

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