RE: Why no corona? AC / DC transmission lines

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Malcolm Watts by way of Terry Fritz <twftesla-at-qwest-dot-net>" <m.j.watts-at-massey.ac.nz>

Hi Gary,

On 11 Sep 2002, at 10:30, Tesla list wrote:

> Original poster: "Lau, Gary by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<Gary.Lau-at-hp-dot-com>
> 
> While these HV lines clearly exhibit corona, what I can't figure out is why
> the ground under them isn't littered with bird carcasses.  Corona coming
> off their little beaks has GOT to hurt should they try to perch on the
> lines!  Is it just a case of being too large to perch on?

I've never seen birds alight (NPI) on EHV power lines. I imagine 
that, just like the cat getting too close to the Van de Graaf 
machine, the discomfort level they experience as they approach sends 
them scurrying.

Regards,
Malcolm