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Article #15668Re: Toroid 60Hz power transformer source?
From: Jeroen Belleman
Date: Thu, 17 Dec 1992 16:00
Date: Thu, 17 Dec 1992 16:00
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In article <1992Dec17.093200.20954@dk.oracle.com> mberg@dk.oracle.com (PUT YOUR NAME HERE) writes: > >I used to think so, but after building an amplifier using two 500 VA toroid >transformers I am not so sure anymore. >I had several problems with radiated EM fields - one of these resulting in >a 7-9 A (!) current though the chassis. >Kind regards >Martin Berg Ah! I bet I know what happened to you! You most probably had BOTH ends of the bolt which goes through the centre of the transformer grounded. I presume you mounted it in between two plates or in a metal box, with a nice big bolt through the middle. That's a single turn short-circuit. Not good! Best regards, Jeroen Belleman jeroen@dxcern.cern.ch
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Newsgroups: sci.electronics Path: arc1-ca.pugleaf.net!sparky!uunet!mcsun!dxcern!jeroen From: jeroen@dxcern.cern.ch (Jeroen Belleman) Subject: Re: Toroid 60Hz power transformer source? Message-ID: <1992Dec17.160010.17681@dxcern.cern.ch> Organization: CERN European Laboratory for Particle Physics References: <15DEC199216354453@almach.caltech.edu> <1992Dec17.093200.20954@dk.oracle.com> Date: Thu, 17 Dec 1992 16:00:10 GMT Lines: 18