A Grey-Box Model of a DC/DC Boost Converter for PV Energy Systems

Table 2

Correlation coefficients of the proposed models corresponding to load resistance.

Load	Correlation coefficient
	White-box model	Black-box model	Grey-box model
100 Ω	0.969607374871639	0.989513638531563	0.989820560464109
200 Ω	0.976144494547240	0.991640393050001	0.993413906368015
300 Ω	0.976923513467295	0.990436320971092	0.993590316644113
400 Ω	0.979988267054458	0.989421560287630	0.993837996469483
500 Ω	0.980225900502161	0.988866958508408	0.993865075783872
600 Ω	0.985603416035943	0.989670275878091	0.994144100656739
700 Ω	0.982795930071293	0.986884751559852	0.993201940018121
800 Ω	0.984517235328024	0.987159320329735	0.992496091425469
900 Ω	0.982673910426754	0.988889783662086	0.993452111138890
1 kΩ	0.979762754682253	0.986772163427075	0.991985164520238
2 kΩ	0.976144494547240	0.991640393050001	0.993413906368015
3 kΩ	0.976923513467295	0.990436320971092	0.993590316644113
4 kΩ	0.979988267054458	0.989421560287630	0.993837996469483
5 kΩ	0.980225900502161	0.988866958508408	0.993865075783872
6 kΩ	0.985603416035943	0.989670275878091	0.994144100656739
7 kΩ	0.982795930071293	0.986884751559852	0.993201940018121
8 kΩ	0.984517235328024	0.987159320329735	0.992496091425469
9 kΩ	0.982673910426754	0.988889783662086	0.993452111138890
10 kΩ	0.935970454110177	0.961261382638612	0.963262087672671
20 kΩ	0.931870554390938	0.963208688647779	0.965073476115451
30 kΩ	0.933618975230007	0.959623222565440	0.961791180543948
40 kΩ	0.933903318154406	0.959545572674599	0.961225377879551
50 kΩ	0.913986342412283	0.949099664989821	0.950941023597757
60 kΩ	0.930819295880845	0.957568658115150	0.958862100443451
70 kΩ	0.930682875491503	0.955620053912268	0.957565076893362
80 kΩ	0.924463965754733	0.955476590411907	0.956782645035189
90 kΩ	0.932454024167612	0.959497120248109	0.960276549391506
100 kΩ	0.934523015669254	0.958883606912570	0.959847019029370
200 kΩ	0.926376070445581	0.959697268346821	0.960287822022982
300 kΩ	0.934618234112205	0.958547227511676	0.959703720185535
400 kΩ	0.924483253918741	0.956441961509381	0.957258335268235
500 kΩ	0.918083893513768	0.954893996522147	0.956127236637524
600 kΩ	0.922747183436913	0.954612204426463	0.955873694057610
700 kΩ	0.932109903206404	0.958829830993813	0.959931624512020
800 kΩ	0.912661691575812	0.947996746439804	0.949092672243520
900 kΩ	0.920549605992836	0.949959031814387	0.951848302572760
1 MΩ	0.928352443784171	0.958162827359424	0.958908262966600