[ARC5] Collins xfmr ratings

[D C _Mac_ Macdonald]

Wouldn't output be about 500VDC using the 1100 c.t. with full-wave rectification and choke input with adequate bleeder?
 
* * * * * * * * * * * 
* 73 - Mac, K2GKK/5 * 
* (Since 30 Nov 53) * 
* k2gkk hotmail com * 
* Oklahoma City, OK * 
* USAF & FAA (Ret.) * 
* * * * * * * * * * * 
 

 
> Date: Fri, 15 Aug 2014 08:44:06 +1200
> From: neilb0627 at gmail.com
> To: kg4kgl at gmail.com; arc5 at mailman.qth.net
> Subject: Re: [ARC5] Collins xfmr ratings
> 
> Actually I think that is quite a suitable transformer.
> 
> The 1100V CT will give 770V DC when half-wave rectified to a capacitor
> input filter. That leaves a bit of excess for his regulation purposes.
> 
> OTOH, the 700V CT would give 490V DC in the same half-wave configuration. A
> bit low, but could be used unregulated. There's no real justification for
> regulation of the entire B+, although the VFO B+ benefits from it.
> 
> If I was offered that transformer I'd jump at it, so long as the
> core looked like it could supply 150W or more.
> 
> 73 de Neil ZL1ANM
> 
> 
> On Fri, Aug 15, 2014 at 1:02 AM, KG4KGL <kg4kgl at gmail.com> wrote:
> 
> > Hello all,
> >
> > I hope someone here can help with Collins equipment. I have power
> > transformer model # 672-0286-009
> >
> > It is rated at 1100/700 CT but I can not find anything about its current
> > rating.
> >
> > I want to build a regulated pwr supply to power among other things a
> > BC-459.
> >
> > Thank you,
> >
> > Robert
> > KG4KGL
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