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Registered Member #1159
Joined: Fri Dec 07 2007, 02:10AM
Location: Hudson Valley of NY State
Posts: 84
I have a bunch of metalized polyester film high voltage capacitors. I'm thinking that these might work because of the low rep rate of a Marx generator................what do you think??
Registered Member #162
Joined: Mon Feb 13 2006, 10:25AM
Location: United Kingdom
Posts: 3141
They will certainly work in a Marx gen. The question is - how reliable will they be?
If you have a suitable resistor from the Marx output then I'd say very reliable, if no resistor then they will be as unreliable as any other type of capacitor !
Registered Member #311
Joined: Sun Mar 12 2006, 08:28PM
Location:
Posts: 253
Thet is certainly in the right ballpark for value. If you have some spare it would be worth doing a destruction test to see how robust they are - e.g. charge witha 25kv flyback supply and forming a relaxation osc with a spark gap across the cap.
Registered Member #2431
Joined: Tue Oct 13 2009, 09:47PM
Location: Chico, CA. USA
Posts: 5639
yeah i agree with said suggeston form "mikeelectricsuff" a destructive test properly done would be good as you do not have a datasheet, which is best.
however, if you are unwilling to destroy one, maybe you be super duper restrictive with power, and repitition rate. ( i.e. use a high resistence to limit current, and a infrequent shot rate. )
Registered Member #311
Joined: Sun Mar 12 2006, 08:28PM
Location:
Posts: 253
I woudn't be worried about destroying one - if they aren't up to the job you won't be building a marx with them anyway - the value of the knowledge of what they will & won't take is well worth the cost of a dead one before going to the effort of builldeing a marxgen & then killing the caps because you didn't know how far they could be pushed!
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Will these caps work in a Marx Generator?
