RDuboisy (asker) Jan 16, 2017:

Thank you very much Tony. I'll go with "conducteur" unless I find something more specific. I will let you know here when I find the answer.

Tony M Jan 16, 2017:

@ Asker Without being 100% sure, I believe, yes, the bore copper is the circular copper bar that seemingly fits down the middle of the hollow shaft, and the 'radial leads' are the short 'twiggy' bits that come out each end and run radially outwrads, presumably to meet the windings...
Sorry I can't be more help, I've done a lot of FR > EN stuff on these big gennies, but haven't encountered these specific terms.

RDuboisy (asker) Jan 16, 2017:

https://www.google.fr/url?sa=t&rct=j&q=&esrc=s&source=web&cd...

Tony M Jan 16, 2017:

@ Asker Where is that document, please? You don't seem to have posted a link?

RDuboisy (asker) Jan 16, 2017:

I found a document that may help you help me, "Generator aging factors - Turbine generator maintenance". See on slide 3 "bore copper and radial leads". Are leads the small pieces on each part of the copper bar ?