NDLI: Fiber Bragg grating sensing applications in temperature monitoring of three-phase induction motors

Content Provider	IEEE Xplore Digital Library
Author	de Morais Sousa, K. Hafner, A.A. Crespim, M. Somenzi, J. de Oliveira, V. Kalinowski, H.J. da Silva, J.C.C.
Copyright Year	2011
Description	Author affiliation: Electrical Engineering Graduate Program (PPGEE), Federal University of Technology - Paraná, Campi Pato Branco and Curitiba, Brazil (de Morais Sousa, K.; Hafner, A.A.; Crespim, M.; Somenzi, J.; da Silva, J.C.C.) \|\| Graduate Program on Electrical Engineering and Applied Computer Science (CPGEI), Federal University of Technology - Paraná, Campi Pato Branco and Curitiba, Brazil (de Oliveira, V.; Kalinowski, H.J.)
Abstract	This paper presents an analysis of simultaneous temperature and electrical parameters measurements in a three phase induction motor (TIM). The electrical parameters, namely voltage and current in the motor windings, were measured with Hall effect sensors and the temperature in the stator slots were monitored using fiber Bragg grating sensors (FBG). In the performed temperature analysis, two sets of sensors were used, containing four FBG in each fiber. Eight FBG sensors were uniformly distributed in the TIM stator. A special encapsulation of the sensor was elaborated to minimize mechanical disturbances in the fiber due to motor operation. Tests were performed with motor running at no load and with intentional voltage disturbances in the windings produced at every 15 minutes periods. It was observed that the temperature distribution is not uniform in the TIM stator either with or without a balanced voltage in the windings. A mean level increase of 0.5°C in temperature was registered in all of the sensors when there is a lack of balance in the voltage windings.
Starting Page	862
Ending Page	866
File Size	768605
Page Count	5
File Format	PDF
ISBN	9781457716621
e-ISBN	9781457716645
DOI	10.1109/IMOC.2011.6169288
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-10-29
Publisher Place	Brazil
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Temperature sensors Induction motors Optical sensors Temperature measurement Stators Bragg gratings unbalanced power supply Induction motor optical fiber sensors quasi-distributed sensors thermoelectric behavior
Content Type	Text
Resource Type	Article

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