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#144717 - 01/08/06 02:19 PM DC overhead transmission  
lukemcuk  Offline
Junior Member
Joined: Jan 2006
Posts: 6
UK
Hello
Question. Are there and overhead sections of DC transmission line in the UK? which would of course only have two conductors instead of the usual 3 phases? I know that there are DC interconnectors between UK-France and Scotland-N Ireland but do these have any overhead sections but are they completly underground? If there are overhead sections it would be intresting to see a pic.
Luke


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#144718 - 01/08/06 02:24 PM Re: DC overhead transmission  
RODALCO  Offline
Member
Joined: Dec 2005
Posts: 854
Titirangi, Akld, New Zealand
We have a OH UG DC link between the north and south island of New Zealand which has 2 wires.


The product of rotation, excitation and flux produces electricty.

#144719 - 01/10/06 11:14 AM Re: DC overhead transmission  
pauluk  Offline
Member
Joined: Aug 2001
Posts: 7,520
Norfolk, England
The Scotland-N.I. link is the quite recent Moyle Interconnector.

I seem to recall us having a discussion about it a while ago, although I don't recall whether any of it runs overhead (excepting transitions, as you would expect).


#144720 - 01/23/06 07:13 PM Re: DC overhead transmission  
RODALCO  Offline
Member
Joined: Dec 2005
Posts: 854
Titirangi, Akld, New Zealand
Hello.

If you use this link it will get you to the Transpower site in New Zealand.

Scroll over the little pictures below and a photo of a DC pylon with 2 wires is visible.
http://www.transpower.co.nz/?id=4798#

Kind regards Ray.

DC voltages used are 270 and 350 kV.

Next month while down South I will get some photo's of the latter.


The product of rotation, excitation and flux produces electricty.


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