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  1. T

    Low Mains Voltage (~190-220v) - How to resolve?

    Apparently it's the anti creep mechanism - but we definitely had consumption so the anti creep would not be necessary?
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    Low Mains Voltage (~190-220v) - How to resolve?

    Oh we are definitely connected and using it. The meters gone up 3 units over 20 mins (which seems to be accurate given the load over those 20 mins)
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    Low Mains Voltage (~190-220v) - How to resolve?

    There's a solid red light on the kvarh import? Any one know what this means? It's an ester A1140
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    Low Mains Voltage (~190-220v) - How to resolve?

    For the dwellings? There is nothing out of the ordinary for all electric properties from what I know. The annex is the size of a small 1 bedroom detached cottage. Plus a load of 7550 amps would blow all the main fuse switches and the supply fuses fairly quickly. I don't expect a small bill, we...
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    Low Mains Voltage (~190-220v) - How to resolve?

    I wish I was growing drugs then I could pay for this bill. Seriously, we have nothing that could be drawing that kind of massive consumption. No machinery, no motors etc.  The main house is quite large (6 bedroom), 3kw immersion heater (only for hot water and only used when there is no oil)...
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    Low Mains Voltage (~190-220v) - How to resolve?

    He agrees that is likely an issue with the supply. On a side note, our new meter is saying we have used 300kWh a day since it has been installed. So over 8 days.  This works out to £1,000 a month for electricity - and is over triple what we paid before the meter exchange. I can't fathom how we...
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    Low Mains Voltage (~190-220v) - How to resolve?

    UPDATE: The 3 phase meter is installed and we have distributed the annexes to one on each phase.  While overall, the voltage tends to bottom out at 210v so this is an improvement. Not ideal though as we are still getting significant voltage drops at the supply.  No update from DNO as to what...
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    Low Mains Voltage (~190-220v) - How to resolve?

    Yup totally get that, I was just expecting more 😁.  It's about 30 meters away...but the cable has to go a more roundabout route so that's prob 50-60m. 
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    Low Mains Voltage (~190-220v) - How to resolve?

    Ah getting the hopes up and then down again 😁. I did another test to assess the voltage drop between the supply and annex.  Checked the annex voltage with both multimeters to assess for differences in calibration - both meters showed the same voltage so differences were within margin of...
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    Low Mains Voltage (~190-220v) - How to resolve?

    Can't turn off all the consumer units at the moment but will do when I can. Yep using a clamp meter for amps around the live cable coming directly out of the 3 phase cutout.  Voltage probes on the negative and live Henley blocks (which is where the DNO also measured it) We're in theydon Bois...
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    Low Mains Voltage (~190-220v) - How to resolve?

    Another update: got the multimeter and measured this at the supply cutout just now: 210v at a 56A load 207v at a 60A load Something not quite right
  12. T

    Low Mains Voltage (~190-220v) - How to resolve?

    That sounds alot like the issue we had before (and kind of now) except yours is much worse if you could get it to 150v only at 40A. Last night, at 60A ours was measuring around 208v.  That's what I thought at first, although during the last fault, about 2 months ago, they dug up the cable...
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    Low Mains Voltage (~190-220v) - How to resolve?

    I know the loading gets bandied about here but that really is a peak loading, for 90% of the time we are below 100A. When the DNO measured the voltage today at 225v it was at 25A - so hardly excessive or taxing. But yes 3 phase is still planned so fingers crossed. 
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    Low Mains Voltage (~190-220v) - How to resolve?

    Update: the DNO had sent an engineer out today (I had no idea until he turned up at the gate). Anyway, I told him what happened, he was also here the last time (where much digging was done in the name of fault finding) and I told him that since the last area wide power cut it's gone back to how...
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    Low Mains Voltage (~190-220v) - How to resolve?

    Fair enough - at 10amps the car uses the same as a 2kw oil heater when it's charging! I am inclined to agree with you that we would ideally have a fully distributed 3 phase supply across the whole installation which should address the issue. However, that would be a hugely significant...
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    Low Mains Voltage (~190-220v) - How to resolve?

    Yeah I've spoken to a couple...I've not heard anything back after promising to send me quotes. So...not very professional or they just don't want to do the work. I think there might be a misunderstanding - there's no charger, it's just a cable which plugs directly in to the car and then...
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    Low Mains Voltage (~190-220v) - How to resolve?

    Ha electrical certificates? No idea where those would be. If they didn't come with the house when we bought it then they don't exist. Solar panels would help and probably in the future we will utilise some kind of solar/battery solution.  Neighbour houses are the same size.. i.e. large...
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    Low Mains Voltage (~190-220v) - How to resolve?

    We have a three phase supply, but only a single phase meter. We cannot currently use 3 phases - we have a meter exchange scheduled so hopefully once that goes in (supplier engineers are really picky about what they will and won't do) we will be doing exactly that. Main house on one phase, the...
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    Low Mains Voltage (~190-220v) - How to resolve?

    Cable size is probably 2.5mm, as to the other items I have no idea, I'm not an electrician sadly and didn't wire it up. I've just checked the voltage at the main house kitchen socket and the annex. Main house is 218 and the annex is 216. 2v difference. 
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