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Can you change inverter numbers?


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Hi, just wondering if anyone knows how to change the inverter numbers once they have been configured, currently have 16 inverters and not in any sort of of order, plus I have a number 17 and '15' is missing.

We use PVSOL for design reference for all our drawings and would be great to have inverter numbers that make sense.



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  • 2 months later...

Hello Frederik, thank you for the response. It isn't in any page, I am referring to the inverter configuration in the 3D modelling. So say for example when we are revising the design, we might end up with Inverter 1, Inverter 2 and Inverter 5. Is there a quick way to change the number of Inverter 5 to Inverter 3? At the moment what we have to do is to delete the specific configuration and reconfigure so that PV Sol assigns the correct order.

Please see attached image and highlighted number.

Please can you help?



MicrosoftTeams-image (22).png

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Hi Slimtim,
hi dear customers,

5 hours ago, Slimtim said:

Is there a quick way to change the number of Inverter 5 to Inverter 3?

Quick is a flexible term here but there is indeed a solution to your problem, if you do like to dig into your .pvprj project file:

  1. [Optional] Make a backup copy of your project file, e.g. .pvprj.bak
  2. Open your .pvprj file with a program which is able to unzip/zip archives, e.g. https://www.7-zip.org/
  3. Within the Visu3D folder
    there is a file called Modul_Verschaltung.xml. Extract this file by e.g. drag and drop it onto your Desktop.
  4. Open this file with a text editor like e.g. https://notepad-plus-plus.org/
  5. Search (CTRL+F) for the names which you do intend to change
  6. Every inverter from your configuration has got its own section within the xml. The first lines of every inverter look like the following:
  7. Change the <Nummer>___</Nummer> to the number which should be displayed after INV in PV*SOL
  8. Everything after the colon (:) plus one arbitrary character is displayed as your own name in PV*SOL. (Don't ask why it has to be like this, it is called legacy code)
  9. Save the file
  10. Drag and drop the edited file back into the 7-zip archive and confirm the file copy into the archive
  11. After loading your project within PV*SOL and opening the 3D editor, your edited names and numbers should be displayed correctly

I hope this helps. If you have further questions, feel free to ask!

Best regards,



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