inverter

  1. M

    Inverter went pop, can you identify this film capacitor?

    Hi all. I recently had a 300w inverter go pop and I'd really like to try to repair it if possible (it's a valuable part of a solar energy system). Upon first inspection, the big metallized polypropylene film capacitor right next to the AC output has burnt. I've no idea if there is any further...
  2. G

    fault on inverter?

    Hi all, fault on a inverter i installed 5 yrs ago, packed it all in then also so dont know much about these has i havent kept up with it all, i think the inverter was eversolor if i remember , going to look tomorrow ive attached piccy if you dont mind looking over guys and if you can help...
  3. yellowvanman

    Inverter on earth stake?

    Been asked to replace an old consumer unit, PV installed so bonding etc up to scratch. House supply is TNCS, however with the PV wiring the inverter (Fronius) is on its own earth stake! So that makes 2 earthing systems in close proximity! Why would they want to earth stake the inverter?
  4. S

    Earthing PV rails

    Just started doing my solar array. I'm 2391 trained but never done any solar before Wanted to know do I need to earth my PV rails. I'm using a Solar edge inverter. If so is it 10mm back to board. Thanks. Also is it worth putting Rcd and M C B straight off AC side of inverter
  5. T

    4.57Kw PV with a 4Kw inverter. Inverter too small?

    Hi, I bought a 4.57Kw PV system (14x SunPower 327W panels) for my house last year. I now noticed that the installer fitted a SE4000 Solaredge which is limited to 4Kw. I can see from my stats that the system goes up to 3.98Kw but never above. It just goes flat and stays at 3.98Kw (especially...
  6. E

    Help with inverter for Motor home.

    Hi I am buying a new Motor home, & want to do away with my generator. I know that running an inverter draws a lot of power from a Leisure Battery. I found this site that recommends connecting a pure sine wave Inverter to the Engine battery, rather than the leisure battery. I only need to use it...
  7. SolarCity

    Just done the NICEIC refresher course

    And it was pretty much as you'd expect. A bland couple of days where the most interesting things came about when we came away from the work and chatted about the industry etc. Only three guys on the course and they only have one every 6 weeks. Make of that what you will. The guy taking the...
  8. M

    Reverse polarity when PV inverter switched on!?

    Hi all Very strange situation this evening. I installed a PV system around a year ago and has been working fine. Called out today as the generation meter had stopped increasing. Customers been away and only arrived back today. Western Power have recently put up a new pole in the customers...
  9. Y

    Solar system 5 years old suddenly tripping consumer unit

    Hi we noticed our solar must have fused and tripped out the consumer unit for most of September which is really annoying - all that sun! we reset and now it has done it 3 times over this week. What could be the cause? we have never had any problems. We live in Swindon but the installation was...
  10. T

    Leisure battery or inverter

    Hi all. Brought a van for the 1st time instead of leasing. Going to rack it all, awning, lights on back for external use, the whole 9 yards. A workshop of wheels. Thinking of putting and leisure battery or inverter in, want to able to power a few 18v 4.0ah batterys, couple of LED battery...
  11. Worcester

    Another one bites the dust ... And Another..

    AS the Queen song goes. Just got another call - system installed by a now non-trading concern, fried inverter, Samil in this case. The question is, what do you replace them with - Samil only had a 2 year warranty. Like for lIke? Something with a longer warranty? ABB / SMA ?
  12. N

    Phase 3 advice pls

    Hi Can you advise please regarding phase 3.. I've an auto hacksaw machine in my workshop.. The workshop runs on 240v supply.. The 240 volt supply runs to a Mitsibushi inverter as per pic below.. This is wired to a New Brooks Compton electric motor which is 3 phase.. The plates details...
  13. S

    String Voltage

    Hi just about to install my first solar system. Been a commercial electrician for 29 years but no PV experience. After pushed away from Micro inverters by advice from people on here I decieded on Solaredge. Have sized my system on the solar edge designer software. Now thats telling me I need a...
  14. R

    Van Wiring System Off Of Leisure Battery

    Hi guys, So basically I'm coming here looking for some friendly advice with the intention of eventually getting an electrician out to make sure I'm not messing anything up (I'm based near Swindon - recommendations welcome!). I just want to do as much of the prep as possible. I've put together...
  15. A

    Inverter In Transit Van.

    Hi I'm a qualified electrician but new to car electrics. Basicly want to do a mate a favour he needs to to run a 1200 watt 230v cement mixer for about 20 minutes at a time. So i've googled and you tubed and recon i'm nearly there. Im thinking connect the starter battery under the seat to a deep...
  16. 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...
  17. 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)...
  18. 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...
  19. 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...
  20. 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...
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