Failed to compute value for parameter, x.In ee.sources.solar_cell No matching signature found for exp. exp takes one dimensionless argument.In ee.sources.solar_cell Argument 1 = {6324.4554, 'K*V/J'} Voc = {21.8000, 'V'} vtm1 = {0.0034, 'J/K'}

Error code in Simulink when using solar cell

Ahmed Mohammedosman

2021 11 6

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Failed to compute value for parameter, x.In ee.sources.solar_cell
No matching signature found for exp. exp takes one dimensionless argument.In ee.sources.solar_cell
Argument 1 = {6324.4554, 'K*V/J'}
Voc = {21.8000, 'V'}
vtm1 = {0.0034, 'J/K'}

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Ahmed Mohammedosman 2021-11-6

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I had to change the "Measurement temperature","Device simulation temperature" units in the temperature dependence setting of the solar cell model from "C" to "degC". I think this becuase in ealier version of MATLAB "C" is used for the temperature unit.