Simulink PV array

I have simulink model of the PV array module..but I'm getting a constant output.. How, the output I of a solar cell simulink block can be obtained. In my simulink file, it is simply showing the Isc and Voc, what I've entered in the block parameters.It is not evaluating the output I.What should I do.Give me any suggestion,please..

[Walter Roberson]

Are you getting a constant output or are you sometimes getting negative outputs as you described in http://www.mathworks.com/matlabcentral/answers/20036-please-help-me-question-on-m-file-and-simulink ?

Answer 1

[Hossein]

you tried with ('elec_solar') model in simscape?