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  1. MikeM3

    How to Produce DC Electricity

    Thank you for your reply Simon47, I was misinformed about the wind turbine output, I have never had anything to do with them, any generators that I worked on were diesel driven. I was told that a DC Dynamo will produce electricity at very low speeds, but that an AC Alternator, has to run at high...
  2. MikeM3

    DIY solar — looking for PV array test report

    I built a solar system on wheels, I live in a ground floor flat and I don't have a roof, so I have an "Off Grid", system, but unfortunately, the light won't work because there is no earth on my system, I am waiting to find out if I can attach an earth, as my alternator has a "Floating Neutral"...
  3. MikeM3

    How to Produce DC Electricity

    Hi, to you all, I have a question that is puzzling me and has been for some time. Years ago if you wanted a wind generator, to supply 12v, you got a dynamo and a fan, unfortunately it is not so simple today, this is progress! We do know that wind turbines, are DC Dynamos, because they can...
  4. MikeM3

    Providing Lighting from Motor Supply

    That is how we did it on tower cranes, 1200 watt Halogen lights, many years ago, might not be allowed today, of course. Mike
  5. MikeM3

    Providing Lighting from Motor Supply

    You have probably fixed this by now, but if you haven't, then you need to connect 3 lights separately, one to each phase, then connect another wire to the other side of each light, as neutrals, these 3 neutral wires must be joined together, like a star connection, this is the way to power lights...
  6. MikeM3

    Electrical engineering or electrical installation course

    I would suggest the Engineering Course, somewhere along the way during the course, installation will be included, I assume that you mean domestic installation. looking around, I don't know of any or many engineering courses, so in the future there won't be too many industrial electricians to go...
  7. MikeM3

    It's with regret I have to inform you, Christina (Sparkychick) has passed

    Very sad news indeed, please accept my condolences and pass them along to her family and friends. Mike.
  8. MikeM3

    Pirate Power Supplies

    In an earlier thread that I started about floating neutral, we had quite a discussion about, "Back Feeding my Flat", from a DIY, solar set up, I, unfortunately, wouldn't do this because my system doesn't have an earth, several people who replied to my various queries, all said not to feed any...
  9. MikeM3

    Floating Neutral

    I have 6 panels, newfutile, with 6 controllers, 4 heavy-duty batteries, the system will stand an electric Kettle of 2.4Kw, so there is some power available. Mike.
  10. MikeM3

    Floating Neutral

    Tanks again Kim, One of the reasons not to connect to the grid, is the RCBO on the lights, it trips and I assume, it is because there is no earth, strangely the RCD didn't trip. Having spent days and hours of searching for answers, I haven't found any, that explains earthing a floating...
  11. Inside 3Kw Inverter.jpg

    Inside 3Kw Inverter.jpg

    • MikeM3
    • Media item
    • Comments: 0
    • Category: Electrical Videos
  12. Inside 3Kw Inverter 2.jpg

    Inside 3Kw Inverter 2.jpg

    • MikeM3
    • Media item
    • Comments: 0
    • Category: Electrical Videos
  13. MikeM3

    Floating Neutral

    German energy suppliers are in crisis, all because of solar energy and lack of control, below is a copy and paste, of their version of the problems, plus a short video explaining, "Balcony Solar", which is retailed on the open market and is legal there, it isn't legal here and that is why I am...
  14. MikeM3

    Floating Neutral

    Don't worry mainline, I have no intention of going into the home, grid, electrics, I just wanted to see if it was possible, but with no earth, it is dangerous, this will be a stand alone off grid system, the whole project, was an experiment. I learned some interesting stuff during the process...
  15. MikeM3

    Floating Neutral

    Hi Kim, I back fed the system, via an unused cooker breaker in the kitchen, I have found, but not yet purchased a special change over breaker, where the Grid is on the top at one side, the solar is diagonally across at the bottom and the consumer unit is on one of the other empty places, I don't...
  16. Mains Solar Change Over Breaker.jpg

    Mains Solar Change Over Breaker.jpg

    • MikeM3
    • Media item
    • Comments: 0
    • Category: Electrical Videos
  17. MikeM3

    Floating Neutral

    Thank you, Spanners, for your explanation, first let me clarify, that I have no intention of connecting to the grid, I am well aware of the risks, the few times that I did try, the consumer unit was isolated, twice, once out in a cupboard beside the meter and also the unit itself, this exercise...
  18. MikeM3

    Floating Neutral

    I worked as an electrician all of my working days, but I never came across this issue before, I keep looking for some sense about it and get different ideas from some posts on the net. I know how to supply an earth to any circuit, I have done so many times, by hammering a 3-foot copper plated...
  19. MikeM3

    Floating Neutral

    Another interesting suggestion Tim, if I cannot earth the floating neutral, I am looking at Equalising/levelling transformers, that I believe is one way to get it right, I also believe that transformers, will make paralleling possible. Thank you for your time and reply. Mike.
  20. MikeM3

    Floating Neutral

    I just wrote a long reply, newfutile, but lost it because I was not logged in! The panels that I have are supposed to be 1Kw each at 12 volts, they seem to work fine, the problem that I have, is when I feed the flat, the lights trip, because of the RCBO, in the circuit, I think that it needs a...

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