Abstract
Measuring the concentration of furfuraldehyde (FFA) within oil samples taken periodically from power transformers is usually carried out as a means of condition monitoring. Normally, laboratory-based techniques such as high performance liquid chromatography are applied for this measurement. We report the construction of a novel optoelectronic sensor for the determination of FFA in transformer oils to concentrations as low as 0.1 ppm. The sensor will form the basis of a compact and portable instrument that can be used by a nonspecialist operator to determine, on-site, the concentration of FFA in oil extracted from the transformer.
Original language | English |
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Pages (from-to) | 964 - 966 |
Number of pages | 3 |
Journal | IEEE Transactions on Instrumentation and Measurement |
Volume | 47 |
Issue number | 4 |
DOIs | |
Publication status | Published - 1998 |
Keywords
- power transformer testing
- transformer oil
- colorimetry
- chemical sensors
- optical sensors