solar

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  1. H

    MFT for Solar PV Commissioning

    Hello I am a self employed electrician, My background is heavy industrial electrical maintenance mostly on power stations and wind turbines. However I am now transitioning into installation and have been cracking off my qualifications for installation to become eligible for a competent person...
  2. EricMark

    Tariffs, batteries, and solar. How do you select? and does it matter?

    My off-peak tariff has ended, and for a few days on a standard single tariff until I change supplier, but cost has not risen much? Changing because the supplier I have has dragged their feet for a year, and still no payment for export. But I have been charging batteries overnight, then they...
  3. E

    Can Solar panels cause tripping when isolated

    Anyone know if its possible for a rooftop solar array to cause an RCD trip even when the solar circuit is isolated at its rotary isolator ? I've had no dealings with solar atall so wouldn't know . The solar circuit is in a split load RCD board. I'm assuming the solar install was bonafide as its...
  4. robbiec79

    UK New to solar

    Okay so I want to install a grid tie system on my shed. I have a sub-main supply to the shed via a 10mm swa cable straight from the meter box, to the CU with 2 spare for RCDs. Looking at a 2kw-3kw string inverter and space for maybe 4 panels on the roof. Roof size is 4m x 2.8m. Only going by...
  5. Dan

    Do you think then solar boom is over for existing properties?

    I think I'm right in guessing that most of the grants have stopped long ago when it comes to adding them to your existing property? So does that mean the solar boom a decade back has fully stopped these days? Any grants and things to add them to new properties? Or would you just be buying a...
  6. M

    Adjusting water temp. Aquafficient solar

    Hi How do I adjust the water temp? Thanks
  7. 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...
  8. 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
  9. Miguel Esteban-Perez

    Software for electrical / solar photovoltaic systems design

    Good Afternoon Does anyone know an UK / Brit Software for electrical / solar photovoltaic systems design? French software is starting to get small for the KWpeak that I´m designing and maybe we could have an UK alternative. If not, does anyone know an EEUU electrical design software? Regards
  10. vjsmarwick

    UK Air to water heating with solar pack

    Good evening fellow sparks ! Here’s a question for all you guys working with Solar as part of your installation ! I have a pal that’s had one of these all singing and all dancing airsource heating systems fitted complete with solar panels and a 5kw battery storage ! He has an off peak supply...
  11. P

    Which 4 awg is best for application? 4 THHN THWN-2?

    need direction on which type of 4awg copper to buy. context is an 85 foot run on bedrock carrying 50v/50a from solar panels to battery house. will be in plastic/metal conduit. is there one type of 4awg that would be best? it seems the cheapest is 4 thhn thwn-2 ...
  12. P

    which is less dangerous DC 123V/20A or 50V/50A?

    which is less dangerous DC 123V/20A or 50V/50A? or does it not matter at all? context is an 85 foot run on bedrock between solar panels and battery house. i've researched and gotten no definitive answer, just confused. i'll probably end up putting this wire in rigid bonded conduit anyway but...
  13. anitahooda

    What’s the most efficient way to angle solar panels for DIY projects?

    This question is aimed at DIY enthusiasts working on solar projects who want to optimize the efficiency of their solar panels. The angle at which solar panels are positioned can significantly impact their ability to capture sunlight and convert it into energy. By understanding the most efficient...
  14. Leo Breydon

    Solar Panels Is Panel Angle REALLY That Big of a Deal? (My Installers Were Pretty Relaxed...)

    So we just had our solar panels installed last week – super exciting! 🎉 But one thing that's been bugging me is the panel angle. The installers weren't super precise, saying it would only make a small difference... but now I'm second-guessing everything! I've been doing some research on the...
  15. Adam00

    grid tie solar to a consumer unit in a shed that is fed from the main consumer unit

    Could you connect grid tie solar to a consumer unit in a shed that is fed from the main consumer unit in the house or is this not allowed due to how it complicates safe isolation?
  16. B

    Reported content: Post in thread 'Day 2: Solar and Wind for Domestic Properties - is it worth doing either?'

    Post in thread 'Day 2: Solar and Wind for Domestic Properties - is it worth doing either?' by Steve-S has been reported by brianmoooore. Reason given: Content being reported:
  17. Dan

    Day 2: Solar and Wind for Domestic Properties - is it worth doing either?

    I apologise for doing my day 2 late on in the bloody day again. I'll do my day 3 tonight. My daughter had her mate stop over so they were partying till 3 so I couldn't sleep until they were lol - now my sleep has been knocked out of whack. So I'll do my day 3 after midnight I think. Anyway my...
  18. O

    Whats involved with replacing damaged solar panels/inverter.

    We do a fair bit of work for insurance companies repairing/re-wiring flood and fire damaged properties. the one I looked at today has solar panels on the roof and an inverter in the loft, the house has had a fire. The panels and the sort that fasten directly to the roof laths with a flashing kit...
  19. D

    Help understanding little solar production

    Hi all In need of some advice to help understand little generation on PV system. The set up is: 5kw hybrid inverter 10kw batttery storage 2 x strings of 6 x JA solar 420w panels (2.52kw per string) Tigo optimisers for each panel I was producing 2.3kw around 9am (south facing) and this...
  20. P

    training for solar installation?

    Hi, I'm an electrical engineering graduate, many years ago, but have no electrician qualifications. I've spent the day trying to understand how qualifications work for electricians and nothing I studied at four years of university was this complicated. I'm looking to install PV, domestic...

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