Non-intrusive method for extrapolating an internal stator temperature
First Claim
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1. A method for non-intrusive determination of an internal temperature of a given area of an electrical machine stator, comprising:
- obtaining a temperature gradient between an internal wall of said stator and an external wall of said stator;
obtaining temperature measurements at locations on said external wall of said stator; and
using said temperature gradient and said external temperature measurements to extrapolate corresponding internal temperatures of said stator.
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Abstract
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.
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Citations
13 Claims
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1. A method for non-intrusive determination of an internal temperature of a given area of an electrical machine stator, comprising:
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obtaining a temperature gradient between an internal wall of said stator and an external wall of said stator; obtaining temperature measurements at locations on said external wall of said stator; and using said temperature gradient and said external temperature measurements to extrapolate corresponding internal temperatures of said stator. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A system for non-intrusive determination of the internal temperature of a given area of an electrical machine stator, comprising:
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a plurality of temperature probes to be installed on an external wall of said electrical machine stator for measuring an external temperature thereof; a processing unit having; a memory unit for storing a gradient temperature; an analysis module for receiving said external temperature data and calculating, using said temperature gradient, said internal temperatures; and a communication module for receiving said external temperature data from said plurality of temperature probes. - View Dependent Claims (9, 10, 11, 12, 13)
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Specification