Re: [CAD_CAM_EDM_DRO] Re: EDM machine

wanliker@... wrote:

> In a message dated 11/1/00 5:10:42 PM Mountain Standard Time,
> jmelson@... writes:
>
> << I can't imagine what 120 uF at 300 V will do! Most likely a huge
> expolsion, >>
> 1. That is only the voltage rating, it does not have to be charged
> that high.
> 2. A bit of resistance in the line will control the current.

But, then it takes longer for the larger cap to discharge through the
resistor.

> Could easily be
> a coil of wire to use the Inductive Reactance.

That is turning it into a constant current source.

> 3. Hook them in series and the capacitance reduces, check the
> formulas.

Why use many large-value caps when one small one will do?

> The point I was trying to make is that there are cheap, as in free,
> capacitors that are made for high discharge currents.

Yes, and I have a fair number of them already.

Jon