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Volt drop at the intake - Just looking to compare with sunny Thailand.

crossy
A nice easy one.


On a "standard" UK domestic supply what sort of volt drop would you expect at the intake for a load of 50A?


In an urban environment and in a rural environment.


We are dropping about 30V (from a nominal 220V) at 50A, of course the other loads in the village may already have pulled things down to 205V!!

Parents
  • 0
    Not even that at home here (SSE area 1960s PILC SNE service ) - about 5v step for a 40A shower. Hovers 245-240 ish depending on time of day. Tx is 150-180 metres away.

    That said I have seen 200V at a rural location where I used to live that was mid Hamshire, but cannot recall the current figures - that certainly dimmed when you put the kettle on, let alone an electric shower -  so it varies quite a bit even in the same DNO area.

    M.
Reply
  • 0
    Not even that at home here (SSE area 1960s PILC SNE service ) - about 5v step for a 40A shower. Hovers 245-240 ish depending on time of day. Tx is 150-180 metres away.

    That said I have seen 200V at a rural location where I used to live that was mid Hamshire, but cannot recall the current figures - that certainly dimmed when you put the kettle on, let alone an electric shower -  so it varies quite a bit even in the same DNO area.

    M.
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