Error with the PV array simulation

Question

Jung Sunghun 2021-11-16

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1587574-error-with-the-pv-array-simulation

评论： Jung Sunghun 2021-12-3

采纳的回答： Joel Van Sickel

pv_v2.slx

Hello,

I am currently trying to simulate a single PV cell which I bought from the following link (https://bit.ly/3CmLLeR).

With the PV cell information given in the above link, I built the attached Simulink model to simulate a PV cell's behavior.

However, outputs of current and voltage sensor are a bit strange. I am expecting the voltage range around 0.682 V and current range around 6.24 A, but the sensor ouputs are too huge as shown in the attached pics.

Is there anyone who can help to solve this problem or give me any related information which I can refer?

Thank you very much.

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Jung Sunghun 2021-11-16

The following video might help the above problem.

https://www.youtube.com/watch?v=LMOmEppPS-Y

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Answer 1

Joel Van Sickel 2021-11-29

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https://ww2.mathworks.cn/matlabcentral/answers/1587574-error-with-the-pv-array-simulation#answer_843189

Hello Jung,

you are applying a constantly increasing voltage to the output of the solar cell, so you couldn't get a fixed voltage. You can replace the controlled voltage source with the appropriately sized resistor to see if you get the expected voltage and current. For your numbers I'd guess a resistance of 0.1 would be close to what you are looking for. I would also use scopes instead of displays so you can see the time varying behavior of the model.

Regards,

Joel