Parameter Design of Half-Bridge Converter Series Y-Connection Microgrid Grid-Connected Filter Based on Improved PSO-LSSVM

Table 5

Sensitivity analysis of different D and d.

D, d	1.1, 0.4	1.1, 0.6	1.1, 0.8	1.5, 0.4	1.5, 0.6	1.5, 0.8	1.7, 0.4	1.7, 0.6	1.7, 0.8
Training time (s)	4.31	4.28	4.18	4.24	4.27	4.26	4.32	4.27	4.30
RMSE, MRE	0.1965, 6.376	0.1786, 5.9287	0.4106, 6.5487	0.1891, 6.1412	0.1703, 5.8169	0.2013, 6.2148	0.5162, 7.1047	0.1862, 6.1064	0.1807, 6.2303
, Cf (μF)	0.102, 20.208	0.146, 17.712	0.217, 14.784	0.145, 19.481	0.124, 18.426	0.134, 19.386	0.267, 21.420	0.162, 20.714	0.126, 18.711
Fund., THD	10.42, 1.13%	10.15, 1.05%	10.06, 1.12%	10.13, 1.05%	10.42, 1.13%	10.13, 1.05%	10.52, 2.11%	10.27, 1.07%	10.42, 1.13%