inverters | Page 4

inverters

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  1. S

    EFLI tests and off-grid inverters

    Hi team. Just wanting to know if there are any harmful effects when testing final sub-circuits in an installation being powered by an off-grid PV system with an EFLI tester? Thanks.
  2. L

    Three phase solar

    Starting a solar three phase project, how do you connect the generation meter from 8 three phase inverters, or will each inverter have it's own g meter? Appreciate a response
  3. S

    Solis inverters

    Has anyone in sl tried the solis range of inverters? I'm thinking of giving them a try on jobs where we have to be very competitive. Midsummer has put me off using the eversolar range as they said they'd had far to many that were faulty.
  4. C

    TL Inverters DC Insulation Resistance problems

    Having followed the Power One TL inverter thread I thought I would start a thread covering TL inverters in general. We have had 2 SMA 4000TL inverters DC Insulation Resistance problems reported this week. One we were out at yesterday and found it was possible to trick the inverter into working...
  5. C

    New system, string or micro inverters

    Hi all, I looking at having a new solar panel system installed in kent and would like some advice if you could spare some time. I have been looking at getting installed around 6-8 kw system. If I go for an 8kw system I would have shading issues on a bottom row of panels (spaced over two roofs...
  6. O

    Stolen inverters

    Hi people We've had 2 Fronius 150IG plus inverters stolen from site. They were in a plant room still in their boxes. Police are doing nothing, insurance won't pay because there was no forced entry, site think we stole our own inverters. Does anyone know where such specialist equipment gets...
  7. P

    SMA Inverters Data logging

    Is it possible to store past data useage onto a usb stick or disc and delete old data from the inverter? If so how do you do it? Thanks
  8. S

    G83/2: list of inverters?

    Hi colleagues, where do we find a list of inverters certified for G83/2? The time is nigh
  9. infinity

    Micro inverters & Renusol console

    I have a job using 8 console+ tubs, my question is can you use micro inverters with these? I can't see how you would fix the micro inverter under the module? Can anyone who has used these shed any light? Also what kind of ballast do you use? i will check with my structural engineer monday...
  10. The Solar King

    Your Take on Chinese Inverters

    With tighter margins, the temptation to go cheap and cheerful in terms of equipment is growing. Andy at Sibert is offering Afore inverters at cheaper prices with a ten year warrany. Zenex will be offering a 3.6k twin tracker with a ten year warranty for £500.00, thats over £200.00 less than a...
  11. M

    enphase micro inverters

    hi all just need some advice on the 3 strings on micro inverters 4 panels on one string east 6 panels on another string west 4 panels on south string ground floor roof do they do a junction box for multiple connections & then onto monotiring station? also this would be my job for MCS...
  12. C

    Solar PV install on farm

    A farm I have done some work for are having an array installed by a third party but I have been asked by the farmer to do some additional work not included in the PV install. At present there is a PME supply into a workshop from which a 25mm 2 core SWA has been buried underground and run to a...
  13. J

    Solar PV panes and power cuts

    Hi I can understand that, during a power cut, an inverter connected to a PV array needs to shut down to prevent maintenance workers on the grid but I don't see why the inverter cannot still continue to provide domestic power. Surely all that is needed is an isolating relay which can distinguish...
  14. S

    Which Inverters are good performers for 4Kw system?

    Hi, I have been searching the forum for information on inverters and their comparative efficiencies, I havent found anything so was hoping someone might point me to relevant threads or perhaps a comparison table on the www. I guess efficiency isnt everything and that some brands will have a...
  15. W

    Samill inverters? who stocks them?

    Anybody know a good supplier
  16. G

    Is it worth paying an extra £1200.00 for 1 more panel?

    Hi, I have two quotes one for 11 panels (in a 8 / 3 configuration - a samil inverter on the 8 panels and a soladin inverter for the 3 panels) and then a quote for 12 panels ( 8 / 4 configuration with a samil inverter again on the 8 and 4 micro inverters on the 4) difference in the 2 quotes is...
  17. Tiny Spark

    Inverters....

    Ok so I had a interesting "conversation" with a contractor today and I have a 2 part question ime hoping you guys can clear up for me. So the scenario: 3 large cold air handling units each with 2 fans (415v 3 phase) fed through a speed controller, contactor and overloads. All fans getting...
  18. S

    Sunwtin/Watsun inverters?

    Has anyone heard of this inverter Suntwin (may also be known as Watsun)? 4000tl? Any feedback would be appreciated
  19. B

    Non G83 inverters in UK

    Can you easily buy non G83 solar inverters in UK. As in the fact they don't need AC to function? Thanks
  20. Energetic

    Sunny Beam - Using with multiple inverters

    Hi Guys, We've just installed our first extension to a system so we now have 2 SMA inverters with Bluetooth and the original sunny beam. We'd assumed that the display would show both inverters and allow access to each set of data. Upon commissioning of the second system we found that the...

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