solar panel

solar panel

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  1. M

    DIY solar — looking for PV array test report

    I did a DIY solar install without appreciating the need for building regs. Yep that was daft, but here we are. Hopefully will get the structural side sorted out. On the electrical side, building control are asking for an 'electrical certificate/report regarding the electrical installation and...
  2. H

    Charging 12v Battery with Solar Panel?

    I use a small 12v 1.5w Solar Panel to charge my engine battery, quite often it's not powerful enough and the battery loses charge. If I buy a bigger one say 30w, would that still trickle charge (albeit faster) it, or would it damage it? TIA
  3. L

    Spd solar panels

    Hi got a 8 panel solar system on bungalow, changing the board to 18th edition spd board Solar feed is chased into wall so will this need a type B rcbo or can you get away with the type A rcbo. Also reading multiple different things about spds do I need one installing at the solar inverter...
  4. Leo Breydon

    Solar Does Solar Energy Will Be The Ultimate Resource In The Upcoming Future

    Recently I read a blog post that says according to the latest study, in the United States, The Solar Industry Sales For Commercial Applications Will Reach To 14GW By 2028, and I wonder whether this prediction could be trusted. And the second question is, is it too late for me to do something...
  5. O

    Are solar panel inverters tied to earth?

    I'm in a questions asking mood tonight. I briefely looked at a job today and I need to recommend a board change but need to justify it. Firstly there isn't any main switch, just two RCD's. Looks like an old 16th ed board and someone has replaced the old main switch with an RCD and then looped...
  6. S

    Solar Panel Cable Run, New Build

    Hi all I'm looking for some help on a query I have. I'm currently involved with a new build with the plan to fit Solar in the very near future, which I have never installed before or had any experience. The plan is to fit a 3.4kw system and i wanted to put in the cable ready from where the...
  7. K

    voltage reading on the output AND input of the solar panel battery controller?

    any idea why do I get the same voltage reading on the output AND input of the solar panel battery controller?
  8. ionionascu

    UK Minimum space between solar panel and roof window

    Hi. We are planning a loft conversion and I want to arrange the velux roof windows so that I maximise the space available to install solar panels. Can someone please let me know what is the recommended or mandatory space that must be left between the edge of the window's frame and the edge of...
  9. D

    Power Jack 12 volt LF inverter

    I bought Power Jack 12 volt LF inverter few years back, Can I modify this inverter to 24 V or better 48 V inverter? Possible???
  10. B

    Using solar panel DC output to feed immersion heater?

    Just an idle thought - has anyone any experience of using the DC output of solar panels to directly feed an immersion heater, to avoid the expense and losses associated with an inverter? Evidently, a changeover relay would be required to utilise the usual 240V AC supply at times of low or zero...
  11. B

    UK Economy 7 ,Solar, panel , Water Heater

    Yes a friend is trying to get as much low cost energy as possible, he has a water tank with top and bottom elements which runs of Economy7 through a Horstmann E7BX timer so he can boost the top element during the day, this element is supplied by a 6mm double insulated cable from the supply...
  12. HappyHippyDad

    Solar panel installation course?

    I would like to learn more about solar panel installations, with a view to fitting them. I cant find any in the Gloucester/Stroud area but have found 'The Focus Training Group' that run a 5 day course in Bristol. Has anyone done this course with them, or heard anything about them? Any...
  13. U

    Solar Panel Theft Solutions

    Trying to help out one of my customers who keeps on getting the PV panels stolen from one of his business premises which has a low roof making the panels easily accessible. As I maintain the intruder alarm he is asking me for some security ideas So the questions, are there any systems out there...
  14. F

    How to stop backfeeding on a portable solar panel.

    Hi everyone, You were so helpful with my last enquiry, I am going to ask a related question. I bought a portable solar panel to keep my caravan battery topped up. The one I bought was made in the UK from a firm Low Energy Supermarket, 18volts with a 10 year warranty. Good specs, or so I thought...
  15. azimlxp

    Solar panel rating measuring

    Few days ago, I bought a solar panel. It's rating was 6v and 450 mA. But when I measured with my multimeter, It shows around 5.25v to 5.85v and 18mA to 22mA in full sunlight. My Question is - Is measuring current around 18mA to 22mA for per hour or per second?
  16. sajeel

    solar panel connect directly to consumer

    Have a client with solar panel setup with batteries fitted, they have asked if possible to store the electrical energy and then use for lighting, i was thinking of using a contactor or changeover switch as cannot feed both power sources into 1 lighting circuit all your replies and suggestions...
  17. M

    Solar panel calculation

    Hi First time poster, I have a 250w solar panel and a 90ah 12v battery. What size regulator / controller do I need please? Is it as simple as connecting the controller between panel and battery? Can you use standard flex? Thanks in advance
  18. G

    Solar Panel to operate camera

    Hello guys, I have 10W solar panel, a 7000 mah battery and 10A charge controller. there is 7 hours of light a day i have 3W little camera which supposed to work 24/7 continually. in direct clear sun, im getting around 20V from the solar panels (i'm measuring direct the panels with fluke) i...
  19. H

    a solar panel to start a PV inverter project

    A few days ago I purchased a solar panel to start a PV inverter project. Additional devices used are TFT LCD, rechargeable lithium batteries and microcontrollers.
  20. Brunel

    INFO. ON SOLAR PANEL INSTALL

    Asking for a friend, moving into a house that has Solar panel installation. So far no documentation has been forthcoming from the seller. This is all I have so far. 1. diagram of the installation 2. photo of the supply trip in the consumer unit. No battery involved . My Q. as it is connected...

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