Re: [TCML] charging reactors

[jimlux <jimlux@xxxxxxxxxxxxx>]

Kurt Schraner wrote:
> Greg H., Jim Lux,
>
> "think", that is a useful idea. It might just be little more than a 
> simple solenoid: the winding should probably be in "pies", which is much 
> more work, but needed for withstanding the voltage. I've commented on 
> the idea sometimes before: see in the archives of october 2007:
>
> http://www.pupman.com/listarchives/2007/Oct/msg00478.html
>
> Instead of the "air core" coil for 50mH, mentioned in that posting, an 
> iron core could be added, in order to attain the 5-10H / 1A / 20kV 
> inductance, Jim is seeking for. I could calculate such a coil with my 
> induction coil Excel. The same care as in induction coils should be 
> taken, in order to prevent arcing from the winding to the core.
>
> Best regards,  Kurt
Some years ago, I was looking at tapewound inductors used for air core 
inductors for loudspeaker crossovers. They weren't all that expensive, 
had a fairly good sized hole in the middle for a stack of laminations, 
and you could series up a bunch on the same core to get good HV standoff.
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