Re: [TCML] PFC reflection back to current control.

[David Dean <deano@xxxxxxxxxxxxxxxx>]

Hi Jim

Just curious, is the 250uF the total of the caps you have available?
Or is that a calculated figure for what you need, and if so, how did you come up 
with that number?

later
deano

On Tuesday 31 March 2009 09:36:45 pm Jim Mora wrote:
> Hello All,
>
> I am finishing up my HV cabinet. I have a 14400/240@5KVA GE Potential
> Transformer. It can be tapped up to 107% output voltage. My control cabinet
> has 1256D variac voltage control and a fair sized satuarble reactor for
> current control. I am able to drive 0-280V@0-45amps (12,600VA) through the
> reactor into a near short without it even getting warm.
>
> I have some high quality PFC caps that calc out to about 250uf for the
> transformer PFC. Here's the question: What is the reflected back effect on
> the reactor? I haven't played with +-J in a long time! Mostly it is -Xc +Xl
> as there is little resistance involved. Clearly this is also a factor with
> other inductive current control solutions. Maybe I should just leave them
> out? Comments welcome.
>
> Jim Mora
>
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