24 Mar
2006
24 Mar
'06
7:46 a.m.
I don't believe that anyone's mentioned
mercury arc rectifiers yet as
one application of mercury (and of course fascinating to watch!).
There was a 12 phase 800KVA MAR at Droitwich but that was just a big,
black, steel tank with porcelain insulated terminals. The last 'visible'
MARs I saw were at Daventry, 6 phase 500KVA with three rectifiers per
phase. Daventry has closed and most of the original building at Droitwich
has been demolished.
I know of one site where the remaining mercury, some 10s of gallons all
in glass demijohns, was 'lost' during building work. Of course the metal
you can detect in the new building base is all steel reinforcement bars,
honest.
Lee.