Re: "Gas burner" corona from STSG driver

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

Original poster: "Jim Lux by way of Terry Fritz <twftesla-at-qwest-dot-net>" <jimlux-at-earthlink-dot-net>

It probably depends on the exact triggering mechanism... If you're relying
on injection of ions it's one thing, but if you're just looking for field
distortion, it's different.  It also probably affects the jitter (which
probably isn't all that important for Tesla Coil apps).  I'd take a look at
commercial triggered gaps with similar electrode arrangements to see what
the recommended trigger polarity is.

Perkin Elmer (formerly EG&G) has a nice pdf file on their web site
describing all the various trigger modes.  Look for specialty devices under
products and navigate there.





> The very different character of the positive and negative discharges poses
> a question. When driving a triggered spark gap in a Tesla coil
application,
> should the trigger electrode be connected to the negative side of the
> ignition coil? It appears that the negative terminal provides a much
> greater ionizing effect.
>