solar panel

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  1. J

    old solar panel

    hello! I have been given and old solar panel and I want to use it to charge up my leisure battery while I'm away in the van. I have no idea about what connections or cable I need for it. Any advice would be great.
  2. B

    Solar panel and pond pump

    I have a solar panel which I want to use to power a pond pump. This is what I have so far: 100W, 12V solar panel 12v 9Ah lead acid battery 50W, 12V pump And a solar charge controller (12V, 10A). The pump runs perfectly off the battery. When I connect it all together on the controller, the...
  3. Stevie g

    Solar panel battery back up

    Did a periodic today property out in the sticks, solar panels fitted with battery back up. In the met outside cab 2way DB off mains with a RCD main switch.ct1 feed solar panels.ct2 feed to 4 pole iso LN in LN out to supply batteries and batteries LN out back into said iso LN out to 6A rcbo in...
  4. J

    Solar panel switch question

    Good evening. I have a new customer request next week for a solar panel switch. Solar panels are not my area of experience. Just a quick question on the wiring for the switch I have in the photo. Any pointers please for the wires, and which pole. Thank you The customer plan is for a solar...
  5. B

    Solar Panel Switching - Help Please

    Hi all I've just joined, I'm not an electrician. What I'm asking is probably simple but I believe in not messing about with something you don't know about. I have an engineering background and appreciation of electrics. I have two banks each of eight solar panels, one bank on each side of my...
  6. E

    Solar PV for charging an Electric car - help with system design!

    Hey! I am designing a solar PV tree able to generate 3400kWh annually / has a capacity of 4kW, as the trees will consist of multiple panels I will need to work out the best way to connect these panels to produce the current and voltage I need (the system will be grid tied). This system will be...
    • Emily
    • Thread
    • car charging design electric help renewable solar solar panel solar pv system
    • Replies: 4
    • Forum: The Welcome Forum
  7. M

    Solar panel positioning

    Hi guys I would post this in the relevant section but it seems that doesn't get much action as in this thread so sorry. But I was wondering on a new build if the roof that is to have the solar panels is facing dead east is this worth it? My understanding is south facing is best failing that...
  8. S

    solar panel man that thinks he an electrician... what can i do?

    Hi all.... so I have a customer where I live that I have worked for for many years but last year I was stupidly busy and was unable to replace their consumer units for them, they were having a 3phase solar panel setup installed and had old Wylex open backed fuseboards with old crabtree BS4293...
  9. S

    Peer to Peer green energy sharing in UK

    Has anyone thought about this or have some ideas? My team "Grid Wallet" is currently working on a new digital technology that will enable owners of domestic solar panels, wind turbines and CHP devices to sell their exported electricity for 2-3 times more than the wholesale rate they currently...
  10. D

    Solar Power / Wind Power Shed

    Hi Guys Later this year I want to do a solar power and or wind power installation into my allotlment shed. I've watched tonnes of YouTube videos and I've been to various sites, however, when attempting to work the maths to figure out how many batteries I need I must be going wrong somewhere as...
  11. Rincewindwiz

    Solar Panels do not reduce Electricity Usage significantly - Confused

    I installed a 4Kw system in November 2015 From commissioning to November 2016 I generated approx 3500Kwh My electricity bill for Dec 2014 – Nov 2015 was 1477 Kwh Dec 2015 – Nov 2016 was 1309 Kwh and my pattern of usage has not changed significantly in this period - apart from a change from...
  12. G

    Commercial PV installation Qualifications

    HI Guys, I’m new to the field and have some questions that maybe one of you more qualified electricians can help me with. I’m about to begin a course which would allow me to obtain the following qualifications: City & Guilds 4141-01 - Electrical Installation Work within a Domestic Dwelling...
  13. S

    Calculate time to recharge saxo battery with solar panel

    Good evening, i would like to know if someone knows how to calculate the time that would take to a solar panel of this kind Rotola in su pannelli solari produttore-Celle solari, pannello solare-Id prodotto:60489237141-italian.alibaba.com -...
  14. C

    DIY Solar Panel Installation In Shed

    Hello, I have been given an 80W Bard solar panel similar to the one in the link. (https://www.amazon.co.uk/gp/product/B00BSUL6JK/ref=oh_aui_search_detailpage?ie=UTF8&psc=1) I am looking to install on my shed as I cannot provide a mains supply. I have 2x 9Ah 12V batteries and have a small...
  15. F

    Broken solar panel replaced and now Inverter shows low DC at start up

    A few weeks ago, I had my solar panels remove from my roof and then replaced. Sadly, on removal, one panel was warped and on letting the fixing screws go, the panel glass cracked. My set up is / was 16 Kyocera KD210 panels wired in 2 strings of 8 in series, then parralled, feedning into a...
  16. A

    solar panel installation quote!!!!!!!!!!!!!!!!!!!!!!!!!!!!! smethwick west midlands

    hello , i was advised to come on here due to the fact that i am more likely to encounter honest replies about having a 4kw solar panel system installed at my home. i am looking for someone to quote me on a 4kw system on a pitched tiled roof. the underside has been sprayed with insulation foam...
  17. W

    12v cable thickness for solar panel installation

    Hi there, I'm trying to install a 12V solar panel in my caravan. I've worked out that I'll need a 100W panel, so presuming it's working at 100% efficiency that gives me a current of 100W / 12V = 8.33A. I reality the current will be more like 6A (I think). I'll be running the cable 7-8m to the...
  18. R

    Solar Panel Replacement

    Humm i have been asked to replace a damaged solar panel on existing 10KW system, however existing panel installed is no longer available dispite many enquires we are unable to get hold of a like for like panel. System is currently configured in Series 4 strings, 2 of 10 panels and 2 of 9...
  19. whinmoor

    Solar Panel Installer Dies After Falling Through Roof

    Tragic and unnecessary... http://www.installeronline.co.uk/solar-panel-installer-dies-falling-roof/
  20. T

    solar panel diode

    Hi All Just a quick question, I brought a cheap solar panel off eBay to keep my battery charged on my camper van. I was just having a look at it to see if it has a blocking diode! there is a diode but I'm not sure what it is for as there are no markings on it. It's joined between live and...
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