An enhanced fiber-optic temperature sensor system for power transformer monitoring

IEEE Transactions on Instrumentation and Measurement

Volumn 50, Issue 5, 2001, Pages 1138-1143

  Betta, Giovanni ^a   Pietrosanto, Antonio ^a,b   Scaglione, Antonio ^c  

^a IEEE   (Italy)

^b UNIVERSITY OF CASSINO AND SOUTHERN LAZIO   (Italy)

^c UNIVERSITY OF SALERNO   (Italy)

Author keywords

Fiber optic sensor; Microcontroller; Power transformer; Temperature measurement

Indexed keywords

FIBER OPTIC TEMPERATURE SENSOR; HOT SPOT TEMPERATURE MEASUREMENT; POWER TRANSFORMER;

COMPUTER HARDWARE; COMPUTER SIMULATION; DIGITAL SIGNAL PROCESSING; ELECTRIC TRANSFORMER INSULATION; LIGHT PROPAGATION; LIGHT REFLECTION; MICROCONTROLLERS; OIL FILLED TRANSFORMERS; RAY TRACING; REFRACTIVE INDEX; TEMPERATURE MEASUREMENT; THERMOCOUPLES;

FIBER OPTIC SENSORS;

EID: 0035483877     PISSN: 00189456     EISSN: None     Source Type: Journal    
DOI: 10.1109/19.963173     Document Type: Article

References (25)

1. Transformer monitoring and diagnostics
2. Online monitors keep transformers in service
3. Thermal capability assessment for transformers
4. Monitoring the health of power transformers
5. An improved transformer top oil temperature model for use in an on-line monitoring and diagnostic system
6. A neural diagnostic system for the monitoring of transformer heating
7. IEEE guide for loading mineral-oil-immersed power transformer rated in excess of 100 MVA (65 °C)
8. The use of optic fibers for temperature monitoring in power transformer
9. Fiber-optic instrument for temperature measurement
10. Thermochromic transducer optical fiber thermometer
11. Fiber-optic Bragg-grating differential-temperature sensor
12. Fiber-optic temperature sensors based on differential spectral transmittance/reflectivity and multiplexed sensing systems
13. Luminescence temperature sensor for high-voltage arrangements
14. Fiber-optic temperature sensors, sensor construction, technologies and sensor systems
15. Temperature sensing in optical fibers using cladding and jacket loss effects
16. An optical fiber based technique for continuous level sensing
17. A digital level transducer based on optical fiber
18. Microcontroller-based performance enhancement of an optical fiber level transducer
19. A gray-code based fiber-optic liquid level transducer
20. An intrinsic fiber-optic temperature sensor
21. Temperature measurement by multi-fiber-optical sensor
22. Temperature dependence of the index of refraction
23. Survey of power transformer overload field practices
24. Real-time thermal model for an oil-immersed forced-air cooled transformer
25. Temperature rise of an oil-filled transformers with varying load