Search results | Page 9

Search results

  1. marconi

    MCBs tripping randomly?

    Sensible advice. Forgive me for I will not say any more in response.
  2. marconi

    Mobile coffee power problem.

    Correction of my sums in bold below- Storing electricity at low voltages in batteries is demanding chemistry. And expensive per kWh stored. I did a solar off grid with gennie back up which had a 24V battery ( 4 x 12 V) each of 200Ah. Total Ah is 2 x 200 = 400Ah which is theoretically 400 x 24...
  3. marconi

    MCBs tripping randomly?

    The query about cu location and ambient temperature and loading on your final circuits is a line of thinking to do with derating the current handling capacity of mcbs dependent on temperature inside the consumer unit and grouping of mcbs side by side. See...
  4. marconi

    MCBs tripping randomly?

    To save me re-reading everything you have written - once there has been an mcb trip event do you ever have further trips the same day? Or is the earliest next event sometime during the following day? Does it only happen once the street lights start to come on or are on? What kind of street...
  5. marconi

    Why does my main house consumer unit trip when the inverter switched to AC backup?

    Is the cabinet earthed back to the main db earth bar? Ie is the earth bar connected the the earth of the ac input c form socket?
  6. marconi

    Mobile coffee power problem.

    Pc1996 #13 has told you that the provision of 3kW at 240V from a 12V battery is not impossible but to be avoided because of the very high current drawn from the battery which will rapidly discharge it and the need for very short very thick cables to carry this large current at 12V. You would...
  7. marconi

    MCBs tripping randomly?

    Lewis Curle: One of the photos you sent me on my phone has the isolator switch-fuse and above it a grey plastic box. Could you open up the grey box and take a photo please and post it?
  8. marconi

    Why does my main house consumer unit trip when the inverter switched to AC backup?

    Just found this by a google search - this problem is not new to Voltacon Ltd. TN-S Earthing for Off Grid Inverter. Neutral-Ground Bonding - Voltacon Solar Blog - https://voltaconsolar.com/blog/knowledge-base/tn-s-earthing-for-off-grid-inverter-neutral-ground-bonding/ Re your #56: If look at...
  9. marconi

    Why does my main house consumer unit trip when the inverter switched to AC backup?

    Mea culpa maxima. I have confused you with Lewis Curle's electrical problem I am also working on who does have a new baby. What an idiot I am! What town in Somerset?
  10. marconi

    Why does my main house consumer unit trip when the inverter switched to AC backup?

    It seams to me now like their are two problems - one to do with the Axpert box ac output N-E internal link and the other to do with the 'ac input' supply somewhere along its full extent to the supply transformer.
  11. marconi

    Why does my main house consumer unit trip when the inverter switched to AC backup?

    When do you intend to return the unit? No reply yet from Voltacon - will chase up next week. I will check out the 'lie of the land' at home with regards to my wife and consider visiting you if you wish. Perhaps you might ask your wife/partner if she would agree to me visiting bearing in mind...
  12. marconi

    MCBs tripping randomly?

    Noted. To fathom this problem I am being creative in generating the hypothesis to inspire the next line of diagnosis. I can see myself visiting............. I am more open minded about extraordinary current waveforms of several hundreds of Amperes and short duration with their associated...
  13. marconi

    Why does my main house consumer unit trip when the inverter switched to AC backup?

    I have in mind something along those lines. But as you have shown by your persistence investigating this problem already we need to work out the 'whys' first lest we contrive a bodge solution that masks something unsafe. Are you on good terms with your neighbours?
  14. marconi

    MCBs tripping randomly?

    If I were to travel what's best - weekday or weekend?
  15. marconi

    MCBs tripping randomly?

    I wrote - albeit I have edited the text a few times so maybe you did not see it - Oddly but not physically impossible the sunhouse mcb trips even when it is only connected to the busbar but nothing to its output because the high pulse of magnetic flux(es) from adjacent mcbs link its own short...
  16. marconi

    MCBs tripping randomly?

    I am minded - not yet decided since Carlise is half a day's travel each way - to take a look myself so intrigued am I with this problem. My suspicions have turned to the smart meter. it contains a contactor which isolates the incoming mains in the event of tampering, end of credit, remote...
  17. marconi

    Mobile coffee power problem.

    Here's a suggestion. Don't bother with a battery at all. Just buy a suitably powerful inverter with a 12V input. Connect it to your van's battery via a suitable ampacity switch/contactor. When you want electricity start the van engine so the engine's alternator is connected and charges the...
  18. marconi

    Why does my main house consumer unit trip when the inverter switched to AC backup?

    In the image below of your Axpert box's lcd display the arrow I have circled in blue appears when bypass/line is selected to indicate that the input ac LN are directly connected to the ac output LN. Another giveaway of bypass/line mode is when the input and output voltages and frequencies are...
  19. display currently 2.jpg

    display currently 2.jpg

    • marconi
    • Media item
    • Comments: 0
    • Category: Professional Electrician
  20. marconi

    Why does my main house consumer unit trip when the inverter switched to AC backup?

    Axpert Inverter - Who has stock - Page 5 - https://www.4x4community.co.za/forum/showthread.php/223750-Axpert-Inverter-Who-has-stock/page5 My train journey was spent trawling the internet for solar leccy using an axpert box exhibiting up front rcd trips when the box connects output LN to input...

OFFICIAL SPONSORS

Electrical Goods - Electrical Tools - Brand Names Electrician Courses Green Electrical Goods PCB Way Electrical Goods - Electrical Tools - Brand Names Pushfit Wire Connectors Electric Underfloor Heating Electrician Courses
These Official Forum Sponsors May Provide Discounts to Regular Forum Members - If you would like to sponsor us then CLICK HERE and post a thread with who you are, and we'll send you some stats etc

YOUR Unread Posts

This website was designed, optimised and is hosted by untold.media Operating under the name Untold Media since 2001.
Back
Top