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I have a work titled MPPT P and O algorithm with a buck-boost converter. The software I am to use is Plecs.

First I wanted to design a photovoltaic model in Plecs. I tried to follow an example I got in a textbook but there was an error that says:

initialization commands of model'sun' cannot be evaluated :error:load:unable to find file PVLookupData_BP365_single.mat.

I would appreciate it if someone can help me to take a look at it.

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  • \$\begingroup\$ Welcome! You'll find you get the best out of EE.SE if you give good details of your situation. For example, what's the textbook? Seems it's trying to open a file called PVLookupData_BP365_single.mat. (Insolation data for a single panel for a year, at a guess) Do you have it? \$\endgroup\$
    – jonathanjo
    Jan 9 at 10:30
  • \$\begingroup\$ I'm guessing you're doing something like this. I didn't do anything cleverer than searching, and it appears that there is such a file available in public git hub here. The other files might also be useful to you. \$\endgroup\$
    – jonathanjo
    Jan 9 at 12:23
  • \$\begingroup\$ Alright, thank you. I just check the git hub. Am I going to load the data to my work? \$\endgroup\$
    – Awesome
    Jan 9 at 12:27
  • \$\begingroup\$ That github appears to be someone's BSc project, and contains a good write up PDF, and the various plecs files ... my suggestion is read the report and see what parts apply to what you're doing. The .mat file is a matlab dataset The whole thing looks like it will be very helpful to you. \$\endgroup\$
    – jonathanjo
    Jan 9 at 12:33
  • \$\begingroup\$ Alright , thank you. \$\endgroup\$
    – Awesome
    Jan 9 at 12:47

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You are missing a file PVLookupData_BP365_single.mat, which is apparently the performance data of a particular panel, in Matlab format. See also Plexim Application Note Modeling a Photovoltaic String using PLECS.

I suggest you read Standalone PV system design and development, by Satyajeet Deshmukh and Himanshu Verma, a bachelor's thesis. Indian Institute of Technology Indore, 2021.

Their Github repository is here and they have all the files you will need. Start by reading the report PDF in the toplevel.

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