Table 4 Corresponding interval for correlation analysis under the different load rates.
Load rates | Dissolved gas index | Upper oil temperature (°C) | Winding temperature (°C) |
|---|---|---|---|
\(0 \le L \le 12.610\) | \(\left[ 0.805, 0.837 \right]\) | \(\left[ 33.700, 41.016 \right]\) | \(\left[ 45.700, 53.017 \right]\) |
\(12.610 \le L \le 25.230\) | \(\left[ 0.805, 0.837 \right]\) | \(\left[ 33.700, 41.016 \right]\) | \(\left[ 45.700, 53.017 \right]\) |
\(25.230 \le L \le 37.840\) | \(\left[ 0.837, 0.868 \right]\) | \(\left[ 41.016, 48.333 \right]\) | \(\left[ 45.700, 60.333 \right]\) |
\(37.840 \le L \le 50.450\) | \(\left[ 0.868, 0.900 \right]\) | \(\left[ 41.016, 48.333 \right]\) | \(\left[ 45.700, 67.651 \right]\) |
\(50.450 \le L \le 63.070\) | \(\left[ 0.900, 0.963 \right]\) | \(\left[ 41.016, 70.283 \right]\) | \(\left[ 45.700, 67.651 \right]\) |
\(63.070 \le L \le 75.680\) | \(\left[ 0.900, 0.994 \right]\) | \(\left[ 48.333, 77.600 \right]\) | \(\left[ 53.017, 67.651 \right]\) |
