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Old 23rd Feb 2019, 9:50 am   #1
Ed_Dinning
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Default International Express, Feb 21-27 flying accident

Hi Gents, reading this weeks International express about w/c Tim Elkington, who was shot down and survived, then later in the war he also survived his aircraft "clipping" 400KV cables over the Tyne and plunging nearby towns into darkness.

There are no 400KV overheads across the Tyne, it is 275KV and they were not installed until the 60's, there are only 66KV cables in a tunnel under the Tyne that date from that era.
There were probably 132Kv cables over the Tyne up river from Newcastle running from Dunstan or Stella power stations, which were only a short span and quite low.

Ed
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Old 23rd Feb 2019, 1:23 pm   #2
Bookman
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Default Re: international Express,Feb 21-27 flying accident

If the power lines were from Dunstan or Stella power stations they would be rated 66kV & 275kV respectively (Wikipedia). Indeed, if the latter then it is possible for an error in judgement to occur for it is difficult to assess visually the rating of EHV lines. In this one would normally count the number of insulating disc's but these vary depending upon strain and tension requirements.
For anyone who may be interested it is normal to refer to 275kV & 400kV as Transmission Networks and 132kV and below as distribution networks.
The 400kV network began in 1965.
I have written a paper which was received with interest by OFGEM concerning how the existing system can never be competitive; pm if anyone is interested in a copy.
Joe
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Old 23rd Feb 2019, 3:16 pm   #3
AC/HL
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Default Re: International Express, Feb 21-27 flying accident

https://en.wikipedia.org/wiki/Nation...(Great_Britain)
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