[Amps] capacitor across mains input to transformer
Steve Wright
stevewrightnz at gmail.com
Tue Oct 10 21:57:29 EDT 2017
On 11/10/17 13:44, Bryan Swadener via Amps wrote:
> The xfmr I rewound has two tapped primaries on a split bobbin
> (I didn't need to touch the primary windings). Magnetizing
> current is about 2A. It runs dead cold.
>
> Manfred's info online (below) helped yuuugely with the rewind. As tight as I rewound the secondary, I had a little magnetostrictive
> noise. A local transformer shop was nice enough to vacuum-
> pressure impregnate it free gratis with polyester resin.
> Photos + text: http://www.tinyurl.com/wa7prc-transformer
Yes, big ups++ to Manfreds' helpful guidance! He's launched me into the
hobby of transformer rewinding! I have a shed full of enormous
transformers to wind now!
It seems 1A primary mag current is perfectly fine then. I'll move ahead
with it.
Steve
More information about the Amps
mailing list