[ARC5] What's a Transformer - II

Peter Gottlieb kb2vtl at gmail.com
Thu Jul 5 23:01:59 EDT 2018


Not necessarily.  The secondary could be wound with progressively thinner wire 
for the higher voltages.

Peter
kb2vtl


On 7/5/2018 9:24 PM, Robert Eleazer wrote:
> I hooked up the transformer I got for the young guy who did not know what it 
> was.  It is quite different from any I have seen in a piece of consumer 
> electronics.
> Hooking up 120VAC to the primary, I found that the secondary has multiple taps 
> in series.  Putting the multimeter lead on the first two gives 9V, the 1st and 
> 3rd give 33V, then next there is 55V, 75V, and so on up to 107VAC at the other 
> end.
> Suitably mounted and equipped with switches, this could be a step by 
> step isolation transformer, perhaps good for older equipment designed to work 
> on 110 VAC as well as for gradually powering up equipment where you are 
> worried about the capacitors.  Based on the 700W peak rating of the audio amp 
> it powered, it should be good for 3 or 4 amps.
> Wayne
> WB5WSV
>
> <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient> 
> 	Virus-free. www.avg.com 
> <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient> 
>
>
> <#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
>
> ______________________________________________________________
> ARC5 mailing list
> Home: http://mailman.qth.net/mailman/listinfo/arc5
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:ARC5 at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html



More information about the ARC5 mailing list