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From: "Helmut Sennewald"
Subject: Re: parallelling two transformers
Date: Sat, 7 Dec 2002 22:47:22 +0100
X-Newsreader: Microsoft Outlook Express 6.00.2800.1106
"Gibbo" schrieb im Newsbeitrag
> "Helmut Sennewald" wrote:
> >Hello Jeff,
> >if the transformers don't have low tolerances in the output voltage,
> >a big current will flow just between the secondary coils. This
> >causes a high primary current in one of the transformers which drives
> >the iron of this transformer into saturation. >
> Eh ? In an *ideal* transformer, increased primary current will make no
> difference whatsoever to flux density. In a real world transformer it will
> actually slightly reduce it thereby moving *away* from saturation.
mains transformer are designed not so far from saturation.
> Also. Let's (for the sake of clarity) assume these transformers are
> On that assumption, where does the power go that this increased primary
> indicates if the primary current in the other transformer remains the same
One transformer will have a higher primary current and the other one will
have a lower primary current.
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