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Re: Safety Gap (Lightning Arrestors)
From: Andrew Chin[SMTP:chinny-at-ozemail-dot-com.au]
Sent: Sunday, November 16, 1997 5:52 PM
To: Tesla List
Subject: Re: Safety Gap (Lightning Arrestors)
I don't know much about Gas Arresters in Tesla coil use, but if you want
to try and suss out the statitistics, you're more than welcome to.
-------------------- a
|
|
---------
| |
| |------ c
| |
---------
|
|
-------------------- b
Discharge Current
(8/20uS pulse) (a+b-c) 20000A
(a-c,b-c) 10000A
(AC 50Hz) (a+b-c) 20A
(a-c,b-c) 10A
Sparkover Voltage
(DC) (a-c,b-c) 480-720V
(Impulse) (a-c,b-c) <1200V
Insulation Resistance
(-at- 100V) >10^10 ohms
Capcitance (a-c,b-c) <2.2pF
(a-b) <1.2pF
Andrew Chin chinny-at-ozemail-dot-com.au
Tesla List wrote:
> From: Richard Wayne Wall[SMTP:rwall-at-ix-dot-netcom-dot-com]
> Sent: Saturday, November 15, 1997 11:56 AM
> To: Tesla List
> Subject: Re: Safety Gap (Lightning Arrestors)
>
> 11/15/97
>
> I recently came across some high voltage lightning arrestors for $5
> each. They are the type that have a ceramic housing and 90 gazillion
> small nonfixed p-n junctions inside. They conduct great amounts of
> joules at 10 kv. I'm currently running 3 12 kv 60 ma neons in
> parallel
> on a conventional coil. I'm thinking about replacing the two safety
> sg's with two of them. I have no idea what their turn on time is, but
>
> a lightning strike must be pretty fast.
>
> Anyone have experience with lightning arrestors or any thoughts
> whether
> they could be used to replace the safty sg's?
>
> RWW