Research Article
Series Arc Fault Detection in a Low-Voltage Power System Based on CEEMDAN Decomposition and Sensitive IMF Selection
Table 3
Calculation results of local eigenvalues of IMF5 components in the time window.
| Window | Mean | Variance | Root mean square | Square root amplitude | Average amplitude | Peak |
| Window 1 | | 0.0014 | 0.0372 | 0.00084 | 0.029 | 0.1433 | Window 2 | | 0.0017 | 0.0416 | 0.0011 | 0.033 | 0.1155 | Window 3 | | 0.0015 | 0.0390 | 0.00097 | 0.0312 | 0.1363 | Window 4 | | 0.0017 | 0.0416 | 0.0011 | 0.0335 | 0.1367 | Window 5 | | 0.0014 | 0.0381 | 0.00092 | 0.0303 | 0.1157 | Window 6 | | 0.0046 | 0.0681 | 0.0021 | 0.0475 | 0.3939 | Window 7 | | 0.0079 | 0.0866 | 0.0031 | 0.0556 | 0.4836 | Window 8 | | 0.0090 | 0.0947 | 0.0025 | 0.0503 | 0.6613 | Window 9 | | 0.0085 | 0.0924 | 0.0024 | 0.0493 | 0.6673 | Window 10 | | 0.0087 | 0.0933 | 0.0025 | 0.0499 | 0.6508 | Window | Kurtosis | Kurtosis index | Margin index | Energy feature | Entropy feature | Energy entropy feature | Window 1 | 3.127 | | 170.022 | 1.382 | 2.616 | 0.1045 | Window 2 | 2.839 | | 136.19 | 1.728 | 2.951 | 0.1223 | Window 3 | 2.989 | | 140.39 | 1.521 | 2.721 | 0.1118 | Window 4 | 2.967 | | 121.95 | 1.7306 | 2.767 | 0.1224 | Window 5 | 2.900 | | 125.75 | 1.4501 | 2.792 | 0.1081 | Window 6 | 9.207 | | 166.12 | 4.634 | 1.868 | 0.2597 | Window 7 | 11.549 | | 156.64 | 7.851 | 1.815 | 0.3003 | Window 8 | 21.454 | | 261.49 | 8.974 | 1.277 | 0.3174 | Window 9 | 22.105 | | 274.82 | 8.541 | 1.208 | 0.3120 | Window 10 | 21.142 | | 261.49 | 8.709 | 1.195 | 0.3126 |
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