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Ragy

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About Ragy

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  1. Dear team, Based on the attached screenshot, I've tried tens of times to compare the results of 2 projects, where they are exactly the same except the tilt angle. For the one with the zero titl, I can't find its result in the comparison although all simulation and other data are done in the project files. Is this a file problem? May you help please?
  2. Hello, I downloaded PVSOL Premium 2020 from the website Solar Design Co and I bought the license, but doesn't complete the installation and giving me a/m error message in the title. Please see screenshot attached. What's the solution for this?
  3. Dear Martin, I'm so happy now. Thank you it worked but with some additions to what you recommended. I made it to run as Windows 8 compatibility, changed the override to "system" and made it run as "Administrator". Please see a screenshot of the clicked/selected properties. Thank you so much
  4. Dear Martin, Please see attached screenshot. No add button, no letter "l" from the word symbol. could you help? Please note that I re-installed the software again and still having this problem.
  5. Hello, Today I bought a license of the new PVSOL Premium 2010 R3 software and when doing projects, I can't find the add button on the cables pages which is used to add symbols in the circuit diagram. It's on my nervous and really don't understand. One note also that the final letter of word "symbol" is not shown like it's whipped out or something. Kindly advise me what's the solution and reason for this problem. I attached here also a snapshot of the cables screen showing no add buttons. Al Masjid Al JamiŲ¹ El-Shorouk PV ONG - Offer - R01.pdf
  6. Dear Martin, Thank you so much for your useful reply. Today, you learnt me something new! I use licensed PVSol since months and I'm a big fan of it, but I thought a formula for this particular calculation may be easily derived. I decided already that final PV systems planning shall be done only by the software. However, in case modules manufacturers know the Vmpp temp. Coefficient is it then accurate to use it or still simulation give better results? Thank you again
  7. Dear developer_mh, Can you please advise how then can we get the Vmpp temp. coefficient, and if only the Voc temp. coefficient is available in the data sheet can we determine the Vmpp temp. coefficient out of it? As per the NEC NFPA70 A.690 and some practices, it's accepted to consider the Pmax. temp. coefficient in case Vmpp temp. coef. is not available. Is this correct? While as per RENAC installation training if the Vmpp temp. coeff. is not available then consider the Voc one (either in mV or %/C). Kindly advise?
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