An Improved Nonlinear Five-Point Model for Photovoltaic Modules

Table 2

Constants estimation for PV modules.

Constant	𝛼	𝛽	𝛾
Monocrystalline SM55	0.984	0.058	1.064
Multicrystalline S75	0.996	0.052	1.155
Thin-film ST40	0.998	0.087	1.343