Better: ( \frac1I_SC_outlet = \frac1I_SC_panel + \fracR_wireV )
[ I_SC = \fracFLA%Z_transformer ]
[ I_SC = \fracV_batteryR_internal ]
[ I_SC = \fracV_sourceZ_total ]
By [Your Name]
[ I_SC = \fracFLA \times 100%Z ]