inverters

  1. P

    Solar PV on a petrol station roof?

    Been asked to quote/design a system at a service station. One of our guys is going over for a site visit now and was just wondering if there's any restrictions regarding EX locations? Cheers
  2. S

    Searchable Database of PV inverters

    If only! Does anyone know if such a thing exists? It would make finding an inverter (especially for unusual setups) sooo much easier! Any idea? Thanks for looking.
  3. SolarCity

    Linuo panels - performing better than Sanyo?

    Okay, probably like the rest of you we have been monitoring a lot of our systems lately as we have a bit of time on our hands. We have been comparing results with our predicted yields on both software and SAP and trying to see which panels are performing the best. Sanyo are performing well but...
  4. M

    Tesco Solar! does anyone know which inverters & panels they install?

    Hi, I was wondering what kit tesco install, does anyone know? they are currently offering 3.92kWp for £6800.00 inc vat.
  5. P

    Solar Wdge monitoring

    Would it be worth asking for these on a roof with zero shading? Kind of like the idea of being able to monitor each panel and the fact it's ethernet. This bluetooth for SMA really doesn't impress me.
  6. S

    2 Inverters broken down this week!

    Don't know if its just me but had 2 inverters go this week, A diehl 3800s and now a SMA 1200. Anyone else had anything?
  7. F

    Inverters for < 1 Kwp

    Hi Guys, Just designing some Arrays for new builds, I have used Maservolt 600 for a couple last year which is ok for 2 panels (2x500) however I would like to offer something at 750Kwp ...Other than string inverters is there anything else you have used ..... Out of interest, has anyone else...
  8. infinity

    solarmax inverters?

    have any of you used the solarmax inverter? looking at the 3000s but had no dealings with them as of yet. looks good on pvsol and the website shows lots of extras as with sma etc. Anyone had one of these?
  9. T

    DNO turning off systemsDno turning off systems

    We fitted a 10kw system a few months ago, G59 approval was granted prior to installation and all was carried out correctly. unfortunatly there is high voltage in the area so the inverters were tripping at peak generation. We have recalibrated the inverters but still have a problem. so we have...
    • tottenham steve
    • Thread
    • cable dno electricians' talk inverter inverters off system systems turning voltage
    • Replies: 64
    • Forum: Solar PV Forum | Solar Panels Forum
  10. SibertSolar

    Section 2.1.2 on DTI Guide - Voc/Isc mulitpliers

    Guys, As we know, for switches/cables/isolators etc, you need to multiply your Voc values by 1.15 and Isc values by 1.25 to calculate the relevant max values for suitable protection. However, does this apply to MPPT or Max DC voltage/current input values on inverters? Any thoughts? Thanks Andy
  11. P

    solar edge inverters

    Hi In the manual solar edge recommends using a type A RCD to 100ma. Is this what installers are using in the uk or is this some generic international statement? Does this mean that the solar edge is capable of leaking dc current onto the ac side?
  12. E

    two inverters one sunny beam

    I can get the two inverters on a sunnybeam but not at same time .... how do I list them both on no. of inverters its showing either one or other depneding on which one I am stood near
  13. W

    Android App for SMA Bluetooth Inverters

    I have been working in my spare time on an android app and thought I would share a screenshot. It provides a live view via Bluetooth connection, it works fine on my 4000TL and should work on all Bluetooth enabled SMA Inverters. It can also retrieve historic data from the inverter for the...
  14. P

    solar edge inverters

    Hi Does anybody know whether its possible to limit the ac output of a solar edge inverter?
  15. B

    Using Transformerless Inverters with Non-Grounded PV

    I'm trying to figure out if there is a way to implement a transformerless inverter on a non-grounded PV system. We are planning to install a 220KW PV system using Uni-Solar's PVL-128 laminates. Since the laminates are non-grounded, I've been told, a transformerless inverter will not work...
  16. B

    small dual tracker inverters

    Does anyone know of a dual tracker inverter capable of splitting 1.25kwp west facing and 1kwp south? We have only used sma dual trackers on 4kwp systems before, and im sure sma dont do a small sysyem dual tracker inverter. We wanted to avoid using/quoting for 2 inverters for cost reasons if...
  17. Energetic

    Outdoor Inverters

    We have installed a few outdoor inverters in the last 6 months, just wondering if anyone has photos of any that have been out in the elements for a year or more, interested to see how they hold up to hot/cold/damp/wet/UV exposure etc...
  18. B

    2 SB 3800 Inverters, 9600 kwp array, one 60m export cable. Inverter cutting out?

    I have a recurant problem on a system which one inverter gets a AC fault. This happens alternately, either one inverter or the other. The fault seems to be at peak output but does not trip any breakers. The system is very wrong in the fact its all on the one phase (as only one available), but...
  19. B

    Combining two SMA SB1200TL inverters in a system design?

    My boss who designs all our systems has had me construct AC work consisting of two SMA 1200TL inverters combined. Meaning, own circuit until the finally meet at the 3 phase meter terminals. I personally thought this was incorrect and they should be totally independant of each other until the...
  20. J

    Undersizing Inverters

    Sorry to bring this up again. I know it's common practice to under size inverters I.e 3.6 Inverter in 4KW of panels. But has anyone got any technical reason (and not a computer simulations) why this is fine. I've always been told it is fine, but never 100% convinced (the "we don't have that...
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