Energy Loss Calculation of Low Voltage Distribution Area Based on Variational Mode Decomposition and Least Squares Support Vector Machine

Table 1

Daily energy loss rate and influencing factors from May 1, 2020, to May 31, 2020 (partial data).

No.	Date	Time	Active energy supply	Reactive energy supply	Transformer voltage (pu)	Transformer energy factor	Transformer load rate	Energy loss rate (%)
1	2020-5-1	1:00	179.07	156.94	0.921	0.790	0.462	3.69
2	2020-5-1	2:00	171.99	168.41	0.921	0.758	0.455	3.95
3	2020-5-1	3:00	153.39	125.77	0.927	0.807	0.425	2.96
4	2020-5-1	4:00	127.76	129.32	0.929	0.749	0.406	3.01
5	2020-5-1	5:00	114.92	148.20	0.929	0.670	0.401	3.61
6	2020-5-1	6:00	130.53	142.57	0.928	0.725	0.407	3.35
7	2020-5-1	7:00	152.78	124.12	0.927	0.810	0.424	2.93
8	2020-5-1	8:00	169.49	130.33	0.924	0.823	0.449	3.11
9	2020-5-1	9:00	167.51	113.85	0.926	0.852	0.446	2.81
10	2020-5-1	10:00	165.19	121.75	0.925	0.834	0.442	2.93
742	2020-5-31	22:00	356.68	170.24	0.900	0.915	0.599	5.10
743	2020-5-31	23:00	308.80	189.90	0.904	0.872	0.585	4.98
744	2020-5-31	24:00	257.68	129.00	0.915	0.907	0.556	3.69