Re: [TCML] Consensus on HV cable

[Phillip Slawinski <pslawinski@xxxxxxxxx>]

Dave,

I don't think you'll observe any ill effect by leaving the grounding shield
intact.  Perhaps you could ground the shield at the coil, then the shield
acts to protect the leads to your transformer.  That's just a thought.

-Phillip Slawinski

On Tue, Sep 14, 2010 at 23:01, David Speck <Dave@xxxxxxxxxxxxxxxx> wrote:

>  Thanks very much to all who responded.
>
> Of course, there's not one single piece of EDPM wire on eBay at the moment.
>
> I have a lead on X-ray cables.  Is it best to remove the outer braid
> shield, ground the braid at the transformer or the coil, or just leave it
> floating?  I know that there are considerations to be managed in regards to
> the Blumlein effect, and shield management of HV cables is a decidedly
> nontrivial issue.
>
> Dave
>
>
> On 9/14/2010 8:10 PM, David Sharpe wrote:
>
> RG8 from a conductor ampacity perspective is fine.  I've used as small as
> #18 at 5kVA input without issues.  I would recommend the use of SOLID PE
> dielectric RG8 however; the foam polyethylene with air inclusions has a much
> lower ultimate dielectric strength then the solid PE. Of course, if you
> really wanted to impress someone, use EDPM 15kV jumper power conductors (#6
> is smallest size commercially available however).  X-Ray cable as previously
> mentioned is a suitable bragging rights alternative   ;^D Regards
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