what do you want to know about HVDC?? I am an electrical engineer and
did my dissertation on "The impact of line parameter and harmonic
filters on the effective operation of a HVDC Overhead line".
What I'd like to find is a good referene on the pre-1956 history of
HVDC - there's bits and pieces of stuff on the Thury system
(constant-current series-connected motor-generator sets up to 100 kV)
on the Web, for instance, but I've not yet hit the local university
engineering library to find some more complete description. ABB's Web
site is really good about Uno Lamm and mercury arc valves, though.
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