Spark Gap (fwd)
From: Gary Lau 25-May-1998 1520 [SMTP:lau-at-hdecad.ENET.dec-dot-com]
Sent: Monday, May 25, 1998 2:34 PM
Subject: RE: Spark Gap (fwd)
>> From: Gary Lau 23-May-1998 1549 <lau-at-hdecad.ENET.dec-dot-com>
>> And actually, I believe multiple shorter sparks in series is easier to
>> quench than one long one (assuming the total gap length is the same).
>> That's why the "RQ" multi-short-gap static gap is so popular. It may
>> also have lower resistance, but no one has actually proven this yet.
>From: Malcolm Watts <MALCOLM-at-directorate.wnp.ac.nz>
>I can't see a single reason why it should be lower. Besides, Rgap is
>a dynamic impedance which varies with Ip. Multiple gaps most
>certainly have a higher voltage drop when conducting as each has a
>minimum saturation voltage, again dependent on Ip.
You're right. I think I was confusing the better performance due to
better quenching, with lower resistance. Totally unfounded. Thanks for
nipping this one in the bud.
Waltham, MA USA