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From: "Phil Allison"
References: <firstname.lastname@example.org> <email@example.com>
Subject: Re: parallelling two transformers - related
X-Newsreader: Microsoft Outlook Express 5.50.4522.1200
Date: Sun, 8 Dec 2002 21:18:41 +1100
NNTP-Posting-Date: Sun, 08 Dec 2002 21:07:26 EST
Organization: Telstra BigPond Internet Services (http://www.bigpond.com)
"1198" wrote in message
> This idea just cross my mind. What if I connect two identical transformers
> with primaries rated at 110V in serial to a 220V AC main and parallel the
> secondaries? Isn't this assured the current into the transformers will be
> the same?
** Yes, that always works fine.
But do not do what I saw one maker do (Perreaux) and series both the
primary and secondaries then load the rectified DC rails unsymmetrically. A
50 mA difference (due to a speaker relay system) upset the DC rail voltages
by 12 % in a 1000 watt amplifier.
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