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  1. J

    How does one HALF CUT solar module affect the other modules in the string when it is partially shaded?

    Hello everyone, I have a fairly technical question. I wonder what will happen to the efficiency of the PV system when we shade the bottom of one solar module (HCC) connected in series? Will the performance of the entire string decrease by half because only the top works in this module? Isn't it...
  2. L

    Will replacing my solar meter fix things?

    I would be really grateful for some advice please. I have solar panels with an Elster A100C meter. It is flashing 00000 on the screen. The red light is also flashing. We have obviously turned off and on the main AC isolator and the fuses are ok. It is out of warranty and the installer has...
  3. C

    Solar Panels DIY Solar Install

    Just wondering if anybody has done a DIY solar install? Not too worried about the export guarantee payments, and part P will be covered by a property rewire. But I’ve read about needing to do building notification for the structural element? Has anybody had any experience doing this? thanks
  4. S

    MCS registered electrician needed.

    Hello everybody! I have just bought a new house in Kignsley, Stoke-on-trent and as the rear aspect of the roof is facing south almost perfectly- I would like to install a PV system. I am qualified electrician and I have done around 150 installs myself working for big PV companies so I would...
  5. M

    Solar panel fuse/breaker question :)

    A question/advice requested re: solar panels (the context is a van/motorhome conversion)... I've got a question re: fusing/breaker for a solar panel setup I'm installing on a van conversion - just want to sense-check my thoughts against someone else's brains, maybe someone with more experience...
  6. D

    Isolating grounds in Solar installation

    I have 400 Amp service split into two 200 Amp panels. I’m converting one to a protected loads panel as part of a PV solar system with battery backup. Since ground is tied to neutral I want to isolate the neutral and ground buses of one panel from the other to make sure no current flows to the...
  7. S

    Solar Panels Installer not informed DNO of installation

    Hi, My installer (who no longer exist) didn't bother to inform DNO of the installation. I have got in touch with the DNOband they say they require me to contact another installer and get them to do 'commissioning confirmation and a suitable schematic diagram' for me to register the system...
  8. G

    Solar Diehl AKO Platinum Inverter 4300S Help

    Good evening all - I used to be a member of this forum ages ago, but couldn't work out what my username and old email address was, so decided it was easier to register again. Many years ago, (2012?) at home I had installed a 4kw system - 20 panels with a Diehl AKO Platinum Inverter 4300S. We...
  9. R

    What wiring will be required for Solar, ev charger and powerwall in external garage

    Hi All I am buying a new house soon and plan to get quite a bit of work done to it - but not all at once. Initially I am planning a kitchen extension and moving around some internal walls. Eventually I would to add solar panels, EV charger and power wall to the garage which is a separate...
  10. littlespark

    Solar So called “new kind of battery”

    Got a advert through the door, obviously targeted, as I have panels on my roof. A company who would install a battery system to store the excess electricity that my panels produce and I would be able to use that when it gets dark. I won’t mention the actual company, suffice to say their system...
  11. R

    Can i boost my solar ?

    I live off grid, have 500w of solar panels laid horizontal on my boats roof, naturally its not producing anything this time of year, my backup 5 kw Diesel generator is waiting for repair, i use a 30 amp digital charger with it but all I have working is a small 400 w petrol generator ( with AVR )...
  12. W

    solar edge inverter and feed in tariff meter dont match

    Recently had fitted Solar Edge and notice their monitor gives a reading but the meter used to obtain my feed in tariff gives a lower figure and this is the one I am paid on not the solar edge inverter.So why the difference? this could cost a lot of money over the years.
  13. P

    Setting up solar installation

    Hello, I am setting up a solar installation (in France) for the first time. I currently have 38 solar panels (+/-38V, +/-9A), with 35 currently wired in series + parallel (7 panels in series, arranged with parallel wiring 5 times) and am therefore expecting to have 266V (7 panels in a series *...
  14. E

    Why would the Main breaker trip?

    I recently installed a photovoltaic solar system for a customer but there seems to be a problem with on of the breakers. Here is a bit of context: The panelboard is a 100A main/125A bus 3ph 480V. The sum of the breakers is 120A (30,30,30,15,15) and each breaker is connected to an inverter. What...
  15. N

    Solar Health Check?

    Hi All, Looking for some advice, got a cold call today from someone who informed me the company who put up my panels have ceased trading. The new company is contacting their old customers and offering to help with any warranty issues. They need to do a health check to validate the system health...
  16. P

    Solar Panels Do solar charge controllers regulate voltage to batteries?

    This is probably the most stupid question ever..... I have ''inherited'' some PV panels from the previous owner of a property... There are 7 PV panels wired in parallel, actually 8 but one is broken... Wired through a rather basic charge controller, to charge a 12 volt car battery. The systems...
  17. K

    Effects of Scratches on Solar Panels?

    I'm seeking professional, third party advice. We recently had a system of LG NeON R 370 solar panels professionally installed on our home roof- 16 panels, so just under 6kW for the whole system. Unfortunately, the installers did not do a good job. To get the panels up to the roof, they placed...
  18. D

    Solar Ammeter readings in/out

    Hi all just registered and looking for an answer to an issue with my installation. I will give you the spec first. Two X BP solar panels each one: Nom peak power 75.00 Peak power voltage 17.00 Peak power current 4.45 Short circuit current 4.75 Open circuit voltage 21.40 Victron energy 75/15...
  19. What is Inside the Conversol Off-Grid Control Cabinet for Photovoltaics - 5kW Inverter MPPT Charger

    What is Inside the Conversol Off-Grid Control Cabinet for Photovoltaics - 5kW Inverter MPPT Charger

    A detailed video with a control cabinet for off grid solar systems. The cabinet is pre-assembled and fully wired offering a real plug n play experience for the solar engineers
  20. A

    Integration of Solar system with multiple utility company's sources in a home

    I have installed 4kw (5kva) solar system at my home. I have 3 phase supply (3 single phase meters instead of one 3 phase connection, i.e 3 separate phases and 3 neutrals, These neutrals are combined at source end of utility company) from the utility company. when I shifted load of one kwh meter...
  21. D

    2399 Solar PV Course for Electricians for Domestic Installations

    What everybody’s thoughts on the 2399 solar pv course? Has anyone done the course? Is there a big market for self employees electricians going into installing solar panels in domestic premises?
  22. F

    Need help converting solar light to wired DC

    I purchased some solar flicker flame outdoor tiki lights which I really like. The downside to them being solar is that each light does not get equal amounts of sun in my back yard so the length of time they remain on and their brightness can vary somewhat. Also, they have a photosensor and turn...
  23. B

    Solar Where to purchase 2 pole DC Contactors suitable for switching 20-25amp 600volt DC PV array preferably with 230volt AC coil.

    I am trying, with little success, to purchase 2 pole DC Contactors suitable for switching 20-25amp 600volt DC preferably with 230volt AC coil. I require these for switching the supply from PV array. If you are able to supply or suggest where I might be able to get them I would be most grateful...
  24. R

    Solar Aurora inverter issue

    Newby from Tasmania. After replacing failed Zetter a/c relay following 031, a quick, cheap and simple operation, there is now an intermittent 013 fault indicating Wrong Mode. Sometimes inverter operates for hours without failure sometimes only a few seconds. During the automatic restart...
  25. hey-hey-my-my

    Multi-stage charging: skipping absorption?

    Good morning, I'm on the road year round in a motorhome with two 100w solar panels (soon to be doubled) charging a 260ah AGM battery via a 20a MPPT charge controller. I also hook up a 30a multi stage mains charger about once a week to properly charge the battery. I'd like to get the most out...
  26. N

    Solar Inverter

    Nelson by name.wish to ask if it advisable to ground the neutral of a 3kw Inverter on a distribution line of 500m in a rural area.
  27. ziggie12

    Solar Panels vs Interter

    I want to purchase a 50kw 3 phase grid tied inverter(attached) for my bakery however out of the required 50kw panels required my roof top can only take about 30kw(97 x 330w panels) worth of panels. How will this affect the output performance of my inverter? Will it still work?
  28. P

    Solar Panels Does the home consume solar produced electricity that doesn't reach the meters?

    I have been trying to reconcile our electric bill with the Enphase production and consumption reports. I don't believe we have any kind of battery. There seems to be much higher production/consumption numbers on the reports that my bill and meters can't account for. The installer says that my...
  29. Dan

    What are your solar PV's generating these days?

    What are your solar PV's generating these days?
  30. B

    solar pannel nickel-iron system question!?

    Ok, so I am a little stuck on one thing for a while now. For a nickel-iron battery bank of 24 volts, each cell is 1.2 volts and has a charging voltage of 1.65, so 33 volts is needed when for optimum charge. The 24 volt, 100Ah battery bank requires a optimal charge rate at c/4 (25 amps for a 100...
  31. Dan

    Reported content: Post in thread 'Solar Installer - Solar PV Installers | Solar Panel Installers - Directory of Solar Panel Specialists in the UK'

    Post in thread 'Solar Installer - Solar PV Installers | Solar Panel Installers - Directory of Solar Panel Specialists in the UK' by Dan has been reported by Dan. Reason given: Content being reported:
  32. R

    Solar connectors in J box

    Hi there, We had simple residential solar installation with AC modules today but inspector by referencing to the code sec 690.33 asking us to use "polarized latching or locking connectors" in J-box. Any idea?
  33. C

    18 volt solar battery charger

    Hello, hoping for advice on this... We intend to use 18volt Makita power tools high in the Khumbu mountains near Everest. With no mains power on site I’d appreciate any advice on an affordable yet lightweight, portable and efficient set up to recharge batteries. Probably x10 4.00 Ah units per...
  34. A

    adding extra solar panels to motorhome

    hello guys this is my first post, i hope I am posting this one on the right section. aamseee I am looking for some advise. i have bought a Motorhome which has a solar panel (100w) and a leisure battery 110ah i am thinking of upgrade the solar panel by adding 1 or 2 two 100 Watts panels, my...
  35. Lou

    South East Solar - Solar Panel Installers in South East

    Lou submitted a new resource: South East Solar - Solar Panel Installers in South East - South East Solar | Solar panel installation in South East Read more about this resource...
  36. Lou

    Solar South West Ltd - Solar Panel Installers in South West

    Lou submitted a new resource: Solar South West Ltd - Solar Panel Installers in South West - Solar Panel Installers in South West | Solar South West Ltd Read more about this resource...
  37. Lou

    Solar Installer Solar South West Ltd - Solar Panel Installers in South West

    Solar panels & energy systems in the South West Solar South West Ltd (SWW) is one of the largest independent PV installers in the UK, providing renewable solar energy systems through professional turnkey solar panel installation and maintenance services. Having operated as solar panel...
  38. T

    Solar charge controller

    Hi, in my campervan I have a roof solar panel, two 100AH UK-UKG110 leisure batteries and a LS1024B solar charge controller. In the daytime the controller is on and all is well. However as soon as it becomes dark outside, the charge controller switches off completely and none of the lights and...
  39. Lou

    NW Solar | Solar Panels in North West

    Lou submitted a new resource: NW Solar | Solar Panels in North West - Solar Panel Installation in North West - NW Solar Read more about this resource...
  40. Lou

    Solar Installer Northburn Solar | Solar installation in North East

    Northburn Solar prides itself on helping its customers by listening to their needs and offering systems that meet not only the technical requirements but are aesthetically pleasing and practical too. It is for this reason we can offer a variety of systems to meet your requirements whether your...
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