[Boatanchors] Potting of old power transformers.
Keith Densmore
densmore at idirect.com
Sun Aug 8 13:54:15 EDT 2004
Im no expert on transformers but I bet they used a high mass potting
material to reduce transformer 'chatter', besides the obvious insulation
value of it.
BTW Brian, how did you get the old potting out?
Keith,
ve3ts
>
>
>
> ----- Original Message -----
> From: "Brian Goldsmith" <brian.goldsmith at echo1.com.au>
> To: "'boatanchors'" <boatanchors at mailman.qth.net>
> Sent: Sunday, August 08, 2004 6:16 AM
> Subject: [Boatanchors] Potting of old power transformers.
>
>
> >
> >
> >
> > Greetings to all.
> > I have had to rewind the power transformer of my AR88.Originally
> the
> > transformer was "potted" in pitch,primarily I believe,to kept moisture
> > out.What is the view of list members on repotting the rewound
transformer
> > taking into account the use of modern insulants for the winding wire?Is
> > their any evidence to suggest the potting "mix" is needed to remove heat
> > from the core/winding?Etc,Etc!
> >
> > All views considered!!
> >
> > Brian Goldsmith.
> >
> >
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> >
>
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