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inverter

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  1. Mark Pole

    Help! Solar Pv System Question

    Hello All, I'm seeking some advice about a solar PV system we had installed in November 2014 please. After 18 months, we seem to be consistently short of the predicted generation figures. I tried taking it back to the contractor, but they've ceased trading, and it turns out that they never...
  2. S

    Earthing for solar off grid system

    Hi All Planning an off-grid solar system and I’m pretty confident about most of it except for one thing - earthing. I believe the inverter I will use, a Victron Phoenix 12/350, has a floating earth - so there will be 230V L-’N’, 115V L-E and 115V ’N’-E. The system will power an existing (old)...
  3. J

    Solar PV Plus

    Hi all in the forum. Way back in 2012 I asked for help on here regarding choice of PV systems and had many very helpful responses. I chose a system and asked on here for quotes (private msgs) and had 4 quotes and chose the best deal for myself. The system I chose was a Solar Edge and it has...
  4. C

    Three phase inverter for three separate MPAN's?

    Morning all Just looking for some opinions on a situation we have for an installation. Essentially we have a three phase supply coming into a building that has been converted into three dwellings each with their own registered supply meter - one per phase. So the question is whether (and I...
  5. M

    Do I need an MCB for a small inverter (120W)

    With a small inverter (120W), is it necessary to have an MCB for overcurrent protection? As the inverter can only produce 0.5A (say, 2A to be optimistic), it should never be able to melt those 1.5mm2 cables (rated 21A). Am I missing something important? We do need an RCD for sure. Just...
  6. HappyHippyDad

    2000w inverter or greater?

    Evening all, I am about to fit a solar panel to my shed and am trying to decide which inverter to get. It will occasionally run a 2000w mitre saw (perhaps 2-5 minutes once weekly), this will be the highest wattage appliance used. I was planning on getting a 3000w pure sign wave inverter but...
  7. HappyHippyDad

    Wiring diagram for solar power, incorporating an inverter.

    Afternoon, I am about to install a solar panel on my shed and wondered if someone could explain where the inverter should be connected from? Most diagrams show the inverter connected to the battery (pic1), but some show it connected to the load terminals in the charge regulator (pic2). I am...
  8. G

    Retrofitting Solar Edge.

    Had some guy rang me today from what sounded like a call centre, trying to talk me into an appointment to have my system assessed regarding how it is wired and suggesting that it would be in my best interests to have Solar edge optimisers and an inverter fitted and suggested that it would then...
  9. SolarCity

    Inverter replacements by manufacturer - invalidate warranty?

    I've noticed some manufacturers are replacing inverters themselves rather than sending the inverter to the installer. I wonder whether this could void the warranty for some firms?
  10. D

    generator/alternator to inverter wiring?

    Hi all and thanks for reading. i am a novice at electrics so your help is greatly appreiciated right i have an inverter (110v 5kva) for my van and it runs off its own alternator. there are six wires which are 12v negative, 12v positive, these i understand and are used just to power the...
  11. D

    South Wales (Cardiff) solar installer recommendations please.

    Hi, not been here for a long time as have not needed to. anyway, I've a problem with my solar plant. 13xsanyo 235 hit from what I remember? power one pvi 3.0 outd inverter (maybe a 3.6?) All fitted December 2011. at startup after wet weather I'm getting low riso error, sometimes as low as...
  12. M

    Eicr on a van with commado plug and inverter

    I add this here although i have asked the same question elsewhere - i want to see what your opinions are I went to do an inpection on a Van today which had a massive inverter (200A 100A per outlet), this inverter is victron energy blue power range makeand can accept mains power and solar power...
  13. U

    Nuisance RCD tripping advice please

    My 3 year old install for a while has been giving me issue with nuisance tripping the 30ma RCD in a 17a Split board I had originally thought the cause was a faulty outside light but one morning recently it was tripping so many times I managed to isolate the problem by switching of the MCB to the...
  14. M

    Earth leakage problem with inverter

    Hello all, This is my first post so hope I'm in the right place for my question! I sell single-phase frequency invertors that drive variable-speed borehole pumps, a product from Italy - it's single-phase 230v in and three-phase 230v out from the invertor to the pump's motor. This invertor uses a...
  15. I

    Ground Fault Detection Interrupter (GFDI)

    Some inverters are provided with GFDI and some are not. Is this a regulatory thing dependent upon the country of use intended for the product?
  16. M

    Inverter connected on the "Load" of an MTTP controller, is that alright?

    Hi, I have a client whose inverter is connected on the "Load" of his MTTP controller. I am wondering whether that's alright in terms of maximal draw: could the MPPT controller be damaged if the inverter draws too much current? (the cables are big enough to carry the current, but I'm not sure...
  17. W

    aurora power one inverter

    Hi all....I have the aurora power one pvi 3600 inverter ( not the abb one) and clock fail has come on in the display..its still under warranty...could it be the battery...is so what type...thanks
  18. Worcester

    Installer needed - Plymouth area to fit replacement Power-one Inverter.

    Got a call today (new I shouldn't post so often on here :) ) an end user has a Power-One PVI-3.0-TL-OUTD - with an E031 error (failed grid relay). I've given him the contact details of ABB to arrange the replacement unit, however he needs someone local to swap it over for him. There's the...
  19. S

    Control Panel Certification

    Hi All We do a lot of testing, but this is the first job like this for us. Basically a company are renewing the cables from a control panel to 7 motors etc, they are taking care of the controls etc. We are due to test and certify the new SWA cables and terminations etc, which isn't a problem...
  20. C

    Replacement emergency inverter

    Hi Guys, Have a 2 x 26w CFC/PLC downlight with an emergency Aurora inverter (AU-EMPK1326) which has packed up. Unable to find an exact replacement, do you know what can be used in its place. Thankiang in advance

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