Method for determining a temperature in a winding of subconductors of an electric machine

Method for determining a temperature in a winding of subconductors of an electric machine

A method for determining a temperature at a predetermined location in a winding of subconductors of an electric machine is provided where each subconductor is encased in electric subconductor insulation. The method includes predetermining the location between one of the subconductors and the associa...

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Hauptverfasser: Adolf Haiko, Trefflich Lothar, Banda Marcus, Röding Roland, Keyssner Norbert
Format: Patent
Sprache:eng
Schlagworte:
MEASURING
MEASURING QUANTITY OF HEAT
MEASURING TEMPERATURE
PHYSICS
TESTING
THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
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creator Adolf Haiko
Trefflich Lothar
Banda Marcus
Röding Roland
Keyssner Norbert
description A method for determining a temperature at a predetermined location in a winding of subconductors of an electric machine is provided where each subconductor is encased in electric subconductor insulation. The method includes predetermining the location between one of the subconductors and the associated subconductor insulation; arranging, in said winding, an optical fiber with a sensor material piece that is fixed to the predetermined location, the optical properties of said sensor material piece being temperature-dependent and uninfluenced by stretching; exposing the sensor material piece to light via the optical fiber such that, following an interaction with the sensor material piece, light is emitted from said sensor material piece; measuring the spectrum of the light; and using this spectrum to determine the temperature at the predetermined location.
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subjects MEASURING
MEASURING QUANTITY OF HEAT
MEASURING TEMPERATURE
PHYSICS
TESTING
THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
title Method for determining a temperature in a winding of subconductors of an electric machine
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