Series Arc Fault Detection in a Low-Voltage Power System Based on CEEMDAN Decomposition and Sensitive IMF Selection

Table 2

Calculation results of global eigenvalues of different IMF components.

IMF name	Mean	Variance	Root mean square	Square root amplitude	Average amplitude	Peak
IMF1			0.0218		0.0157	0.3038
IMF2			0.0119		0.0088	0.1235
IMF3		0.0027	0.0517	0.0010	0.0316	0.7145
IMF4		0.0016	0.0405		0.0290	0.3235
IMF5		0.0047	0.0682	0.0017	0.0408	0.6673
IMF6		0.0065	0.0803	0.0028	0.0528	0.6124
IMF7		0.0090	0.0950	0.0050	0.0704	0.4450
IMF8		0.0084	0.0918	0.0046	0.0682	0.5403
IMF9	0.0012	0.0572	0.2391	0.0369	0.1920	1.0379
IMF10	0.0129	5.1018	2.2588	4.1063	2.2064	3.5617
IMF11	−0.0034	0.0300	0.1731	0.0165	0.1286	0.5487
IMF12		0.0043	0.0653	0.0024	0.0488	0.2004
IMF13	0.0034	0.0017	0.0415	0.0012	0.0342	0.0917
IMF14	0.0160	0.0048	0.0711	0.0027	0.0520	0.2212
IMF name	Kurtosis	Kurtosis index	Margin index	Energy feature	Entropy feature	Energy entropy feature
IMF1	19.441			4.754	1.099	0.000841
IMF2	11.857			1.407	1.211	0.00028
IMF3	45.485		713.93	26.72	0.731	0.00376
IMF4	10.377		385.19	16.408	1.516	0.00263
IMF5	27.132		401.82	46.523	1.046	0.00626
IMF6	13.898		219.92	64.537	1.438	0.00828
IMF7	5.347		89.717	90.227	2.199	0.01071
IMF8	6.987		116.22	84.25	1.954	0.00986
IMF9	4.039		28.16	571.788	2.336	0.04906
IMF10	1.539	0.0591	0.8674		3.264	0.02517
IMF11	3.99		33.18	299.706	2.796	0.03512
IMF12	3.847		84.24	42.66	2.691	0.00541
IMF13	2.323		78.51	17.23	3.104	0.00095
IMF14	4.5012		81.89	50.51	2.548	0.00336