Moving to a house 3 meters from a 11kv sub station

[Davehaywire]

hi
we are looking at a buying a house that has a small 11kv substation within 3m from the edge of the house, it is walled off and gated.
my main concern is emf s given off in and around the house and garden, distribution cables running under the house.
has anyone any knowledge of measuring emf s in domestic houses near substations and if it has health risks associated .

also I guess the voltage will be a lot higher in the house , so am thinking about a step down voltage transformer within house.
thanks dave

 

[davesparks]

If proximity to electric cables was a health risk we'd all be dead from walking down the pavements!

Emf is no danger to you unless you touch a live conductor in which case you will receive an electric shock. Emf is electromotive force, which is a measure of the energy potentially available from a source of supply measured in volts (simplified version)

 

[Davehaywire]

Substation dave sparks the huge transformer sitting right next door to the house

 

[telectrix]

should have a decent Ze. i have a customer in same situation.he still has all his hair and he's not impotent.

 

[davesparks]

Substation dave sparks the huge transformer sitting right next door to the house

What about it? It's a big metal box with a load of wire inside it, it won't bother you if you don't bother it.

 

[Silly Sausage]

I vaguely remember this being in the news quite a few years back.
There were tales of people dying prematurely from unknown causes, whose bedrooms were adjacent to sub-stations.
I can't remember if any conclusions were arrived at. It put me off ever living next door to one.

 

[davesparks]

If you're really worried I can sell you some lovely tin foil hats to wear, guaranteed to keep the invisible rays out!

 

[Lucien Nunes]

By 'EMF' are you referring to electromagnetic fields? There's risk of confusion because 'EMF' properly means electromotive force which is roughly the same thing as voltage.

Regarding health effects, there have been various studies over time but very few that were extensive, rigorous and independent. It is accepted in the scientific community that EM fields can have effects on biological organisms, but they are very difficult to measure or quantify. There is no obvious and universal correlation between exposure and harm.

On the other hand there is a vast amount of scaremongering pseudo-science in literature and on the www, mostly aimed at selling 'protective devices', books, treatments etc. Some of it looks highly convincing even when (as often) it is based on no valid data whatsoever, only the opinions and assumptions of the writer.

With near-fields, such as the magnetic leakage from a transformer, the field strength decreases with distance by approximately an inverse cube law. However much it decreases 1m from the transformer, it will be around 27 times lower 3m from it. And just because a transformer is large, that doesn't mean it radiates a higher field strength. The leakage from one of your domestic appliances might produce a greater field strength from when you are standing.

 

[Engineer54]

Expect your Ze values to be very low and corresponding higher PEFC/PFC values. If the supply is PME, then you have less to worry about regarding loss or breakdown of Neutral conductor than those further along the DNO distribution cable.
Then again, this DNO 11KV/400V distribution TX may not be supplying you at all!! lol!!

As for EMF radiation, i wouldn't give it a second thought. If we were talking about a super grid overhead lines passing over your house then you may have a point to worry about!!

 

[snowhead]

distribution cables running under the house.

No they definitely won't be under the house.

also I guess the voltage will be a lot higher in the house , so am thinking about a step down voltage transformer within house

No you won't need to do anything about it, it won't be out of limits

As others have said there was a lot of concern, much the same with mobile phones and phone masts years ago, but if there was a serious problem we'd be hearing more about it.

But if you have any concerns, don't buy the house, it'll save you worrying in the future.

 

[telectrix]

and don't even consider being in the same room as your microwave, router, or gas boiler.

 

[jay sean]

I think HV (400Kv) is more of a health risk than 11Kv

 

[trev]

I think HV (400Kv) is more of a health risk than 11Kv

On the scientifically proven grounds of what exactly?

 

[Engineer54]

I think HV (400Kv) is more of a health risk than 11Kv

In the States, they have a few 1000,000 volt lines, and loads of 750KV lines crossing the country.... lol!!

 

[davesparks]

On the scientifically proven grounds of what exactly?

400KV got a bit more energy behind it so you'll be burnt to a crisp wheras 11KV will just leave you merely well-done.

Plus of course there's more invisible rays so you need two layers of foil in your tinfoil hat, or maybe a takeaway dish.

I can't believe it's the first of April already!