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FilesPanel IV Calculation
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getCellCurrent.m
getPanelIVCurve.m
sampleRun.m
getCellCurrent.m
% FUNCTION TO CALCULATE A SINGLE SOLAR CELL'S CURRENT AT A GIVEN VOLTAGE % AND ILLUMINATION. INPUT: % Vc: Voltage(s) to calculate at, column vector. % i: Illumination to calculate at, scalar. % OUTPUT: % Ic: Current(s) calculated, column vector. % Copyright 2018 Gustav Pettersson, gustavpettersson@live.com % % This program is free software: you can redistribute it and/or modify % it under the terms of the GNU General Public License as published by % the Free Software Foundation, either version 3 of the License, or % (at your option) any later version. % % This program is distributed in the hope that it will be useful, % but WITHOUT ANY WARRANTY; without even the implied warranty of % MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the % GNU General Public License for more details. % % You should have received a copy of the GNU General Public License % along with this program. If not, see <http://www.gnu.org/licenses/>. function Ic = getCellCurrent( Vc,i ) % Cell parameters in SI units Imax = 0.5009; Vd_t = 0.1135; Id_sat = 10^-10; Vb_t = 0.03; Ib_sat = 1e-3; Rs = 0.04; Rp = 400; theta = @(V,Ipv) (Rs*Id_sat)/Vd_t * exp((Rs*Ipv+V)/Vd_t); I = @(V,Ipv) Ipv -V/Rp -Vd_t/Rs*lambertw(theta(V,Ipv)) +Ib_sat*(exp(-V/Vb_t)-1); Ic = I(Vc,i*Imax); end
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