Rectify ac input?

• To: "'Tesla List'" <tesla-at-pupman-dot-com>
• Subject: Rectify ac input?
• From: Tesla List <tesla-at-stic-dot-net>
• Date: Mon, 2 Mar 1998 22:42:32 -0600
• Approved: tesla-at-stic-dot-net

----------
From:  Greg Leyh [SMTP:lod-at-pacbell-dot-net]
Sent:  Sunday, March 01, 1998 3:46 AM
To:  Tesla List
Subject:  Re: Rectify ac input?

Tesla List wrote:


> > John; Your suggestion reminds me of an idea:
> 
> > I have often wondered, and want to try, rectifying the ac
> > input to the transformer primary with a full wave bridge. You'ld still
> > get 120 pps, (60 hz x 2), but they would be all positive, (or negative).
> 
> > I'm not sure the transformer characteristics would be to happy about it
> > as you'ld basically be feeding the primary unfiltered dc. Current might
> > go through the roof.
> 
> > Anybody have any experience with this idea, or should I screw pennys
> > in behind my fuses first? ;-)
> 
> > Daniel Hess
>   >>


You would be applying 120V RMS DC to a primary winding, 
which probably has less than an ohm of DC resistance.
Calculate the resultant DC current, or better yet,
try hooking the thing up and throw the switch!  


-GL

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