[time-nuts] 4 KV Power Supply Recommendations

Bruce Griffiths bruce.griffiths at xtra.co.nz
Mon Jan 18 10:15:39 UTC 2010


Mark Sims wrote:
> A lot of the Tesla coil, etc people insulate their wires with silicone rubber tubing (available at hobby shops as fuel lines).   Make sure it is silicone rubber and not PVC, etc.
>
> I have seen diode strings built up out of lots of cheap diodes (like 1000V 1N4007s).  The diodes are strung together and then crammed into the silicone tubing.  The ends are sealed and the tubing is then filled with mineral oil (some people use vegetable oil).
>
> ----------------
> power supply diode and resistor strings covered in heat shrink but don't touch as it is not good at HV.  		 	   		
>    
Such series strings of non avalanche rated diodes like 1N4007's without 
suitably proportioned parallel  RC networks almost inevitably fail.

Bruce





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