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.

WindowMeanVarianceRoot mean squareSquare root amplitudeAverage amplitudePeak

Window 10.00140.03720.000840.0290.1433
Window 20.00170.04160.00110.0330.1155
Window 30.00150.03900.000970.03120.1363
Window 40.00170.04160.00110.03350.1367
Window 50.00140.03810.000920.03030.1157
Window 60.00460.06810.00210.04750.3939
Window 70.00790.08660.00310.05560.4836
Window 80.00900.09470.00250.05030.6613
Window 90.00850.09240.00240.04930.6673
Window 100.00870.09330.00250.04990.6508
WindowKurtosisKurtosis indexMargin indexEnergy featureEntropy featureEnergy entropy feature
Window 13.127170.0221.3822.6160.1045
Window 22.839136.191.7282.9510.1223
Window 32.989140.391.5212.7210.1118
Window 42.967121.951.73062.7670.1224
Window 52.900125.751.45012.7920.1081
Window 69.207166.124.6341.8680.2597
Window 711.549156.647.8511.8150.3003
Window 821.454261.498.9741.2770.3174
Window 922.105274.828.5411.2080.3120
Window 1021.142261.498.7091.1950.3126