Re: Bleeder resistors

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Daniel McCauley by way of Terry Fritz <twftesla-at-qwest-dot-net>" <dhmccauley-at-spacecatlighting-dot-com>


Generally, a MIL safety standard we use in naval transmitters is that the
high voltage must bleed down to less than (30V) in under two minutes.

Of course, there are other more stringent mil specs and other specs as well.


> Hi all,
>   I wanted to make sure I got this right..
>
> After chugging out some equations I figured out that I'll
> need a 410 meg bleeder for my .01uF 75kV transmitter cap..
>
> Does this sound right? I figured a max voltage of 75kV
> because I wasn't srue what the max voltage on the cap would
> be with a 15/30 resonant charging..
>
> With max 15kV, it takes 10 seconds to get down to 50V. Is
> that right? If so, is the time constant long enough that it
> doesen't interfere with the coil's operation?
>
> Thanks for any help!!
>
> Coiling in Pittsburgh
> Ben McMillen
>
>