Re: Why no corona?

["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 Rick,

On 9 Sep 2002, at 18:04, Tesla list wrote:

> Original poster: "Richard W. by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<potluck-at-xmission-dot-com>
> 
> Hi list,
> Was wondering.
> Power transmission lines, before a substation, can carry from 100Kv to
more the
> 600Kv. So why no corona? Seems we battle corona quite a bit at much lower
> voltages. <shrugs>
>  
> Rick W.
> Salt Lake

A mate of mine used to flat in a house directly below some 220kV 
lines. A pylon was just over the fence. At night, you could go out 
and hear the crackling and see corona streaking over the insulators.
I don't recall seeing corona around the open lines though.

Regards,
Malcolm