On Friday 03 April 2009 01:58:48 John Frewen-Lord wrote: > Regarding the loss of efficiency in the UK during transmission of > electricity. A couple of years ago I was doing some work for National > Grid, which is currently upgrading its 1960s era power transmission system > (primarily refurbishing steel towers and installation of new more efficient > HV cables). Previously the highest voltage parts of the system ran at 275 > kV and 70 C at 15 C ambient. All this is being changed to 400 kV and 90 C > at 15 C ambient. So the entire UK national grid is like one big electric > kettle! (And contributing an awful lot to global warming - literally.)
15 coulombs ambient doesn't make sense - do you mean °C? How many amperes were they and are they running through the wires? Pierre
