Safety Analysis of Solar Module under Partial Shading

Table 2

Calculation equation.

Inhomogeneous illumination	Incomplete shading
1: equivalent cell of an unshaded cell string; 2: equivalent cell of remaining unshaded cells in a string; 3: shaded cell in a string; 4: diode paralleling with a string having shaded cells; 5: diode paralleling with a normal cell string	1: equivalent cell of an unshaded cell string; 2: equivalent cell of remaining unshaded cells in a string; 3: unshaded part of a cell in a string; 4: shaded part of a cell in a string; 5: diode paralleling with a normal cell string; 6: diode paralleling with a string having shaded cells