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Registered Member #54655
Joined: Thu Mar 19 2015, 05:56PM
Location: BC, Canada
Posts: 82
Hi guys, I have 18 MOC's and I thought maybe I could use them for a marx generator, and if so would it be better to use resistors or wind some inductors. I have wire and pvc pipe to make the inductors with. What do you guys think?
Registered Member #2989
Joined: Sun Jul 11 2010, 12:01AM
Location: UK
Posts: 94
I would try it with resistors first what sort of voltage can the caps take? If it's about 2500dc then 18 would give you about 45kv and say 20-30kv per cm you would get about 2cm spark length, although it would be some bang! maybe can crushing?
Registered Member #54655
Joined: Thu Mar 19 2015, 05:56PM
Location: BC, Canada
Posts: 82
Hi Blackcurrant. I wanted to use inductors because I can build them for free and I didn't want to spend a bunch on resistors. Also, the caps are slightly different values (0.65-1 uf) will that effect the operation of the marx generator. The caps are rated at 2200V AC but I will be charging them up to 8400V because they seem to take it just fine as Steve found.I'm wondering if I should just make a big capacitor bank with them instead of a marx generator?
Registered Member #2989
Joined: Sun Jul 11 2010, 12:01AM
Location: UK
Posts: 94
I would think a can crusher type thing would be cheaper and easier to make.
needless to say but whatever you make will be dangerous so double check all the parts and have somebody else check the setup try to think about if something explodes do you have protection from it?
Registered Member #1403
Joined: Tue Mar 18 2008, 06:05PM
Location: Denmark, Odense C
Posts: 1968
I think you should try to build a marx generator, it takes a lot of MOCs to get a decent capacitor bank, I would have liked a little more bang from 21 capacitors in the one I built:
Registered Member #72
Joined: Thu Feb 09 2006, 08:29AM
Location: UK St. Albans
Posts: 1659
It won't really affect the operation as a marx, but as its operation connects all the caps in series, it might effect the destruction of the smallest cap, by reverse overvoltage
Registered Member #54655
Joined: Thu Mar 19 2015, 05:56PM
Location: BC, Canada
Posts: 82
For the marx I'm thinking about winding 30 inductors with 24 awg wire on 1/2 inch pvc 3 inches long as I don't want to buy resistors. But then space will be a factor and I'm not sure if they will have enough inductance.
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Microwave oven capacitors for marx generator
