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Querobin

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About Querobin

  • Birthday November 21

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  1. Hello, We are designing a standard dc combiner box for SolarEdge SE100k Inverter with DC/AC ratio of 1.3. Data sheet of the inverter is attached and also the image for our initial dc combiner box. Are 25A inputs and 40A output sufficient for this inverter? Thank you for the answers. Querobin SE66.6K-SE100K Inverters for the 277_480V Grid.pdf
  2. Hello Guys, I am designing the proper combiner box for our project - 400kwp, 400V WYE, using 15 unit of SMA 25000TL, 4 strings in one inverter, 20/21 number of 330W module per string. Can you help me if the specifications, amperage for breaker is enough in the attached image? Thank you for your help.
  3. Can I ask how to avoid this molds?
  4. Thank you for your suggestion.
  5. Hi All, Greetings! We have a solar project here in the Philippines, we used Jinko panels 335W which is less than a year installed in about 10 degrees inclination and has accumulated black smudge that looks like residue on the lower edge of the panels but did not penetrated the inside of the module (please see image below). We did a bit of rubbing with microfiber cloth, water and mild soap but can't take it out. The smudge disappears while the panel is wet, but is visible again after the panel has dried. Please help us how can we eliminate this residue. Appreci
  6. @Jaco de Jongh 3 inverters, infini super 4k to be repair, ordered 3 dc board which we waited for 6 weeks, first inverter was working with the first dc board with supplies of AC, battery and PV, while the 2nd inverter with the 2nd dc board was not successful, the new dc board was destroyed, burnt upon supplying AC from the grid which means (transistor burnt out). 3rd inverter, upon replacing the dc and supplying with AC, there was a spark so we turned off immediately, removed the dc board and tried testing to the first inverter which is working fine and the dc board (3rd) is also working fine.
  7. DC board is 200$ US for each..
  8. Hi I'm back, I was able to replace the dc board and there are warnings flashing. Please see picture and I hope you can help me figure this out. The error is number 10 and 14. Appreciate the hand.
  9. @Coulomb Thank you for this information. Just to be clear, did you mean I will try to turn on the inverter using batteries above 25V? Thanks again.
  10. Sorry I can't get what you mean but the inverter doesn't turn on, totally off.. I appreciate your recommendations. Thanks
  11. Hi Guys, I have an axpert 3kVA installed in the house with 6 panels and 24V battery, when I tried to connect the air conditioner having 2hp, the inverter shutdown and it doesn't turn on again even in a perfect sunny day. Can someone help me with this? Thank you
  12. Hi Guys, I am having problem with SolarLog 2000 which we use in monitoring, Can Solar-Log 2000 supports SMA data manager? If yes, How?.. I hope someone could help me with this.. Thanks
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