Research Article
Monitoring of Moisture in Transformer Oil Using Optical Fiber as Sensor
Table 1
Measure of refractive index of transformer oil samples with different moisture content and temperature.
| Temperature | Digital readings of microcontroller system with different percentage of oil-water mixture | In °C | Digital value | 0% | 0.2% | 0.8% | 2% | 3% |
| 50 | 102 | 204 | 312 | 356 | 425 | 438 | 45 | 092 | 141 | 283 | 270 | 368 | 347 | 40 | 081 | 125 | 180 | 194 | 235 | 261 | 35 | 071 | 82 | 128 | 137 | 165 | 188 | 30 | 061 | 60 | 88 | 95 | 104 | 115 |
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