[GreenKeys] 120vdc at 4-5 amps?

ken Schwieker ksweek at mindspring.com
Tue May 1 20:24:46 EDT 2018


If you use an isolation transformer you will end 
up with considerably more than 120 volts dc after 
rectifying and filtering. One possible solution 
is to get a variac, remove all the center hardware
and wind enough turns of insulated wire for the 
secondary to produce the needed voltage.
Ken S

At 11:13 AM 5/1/2018, you wrote:
>No, I don't need to run 100 loops at once. I 
>have several pieces of gear with 120vdc motors 
>and it would be nice not to have to plug/unplug 
>them one at a time on my 1A supply.
>Any suggestions about where to find a suitable 
>transformer? -Â  Diodes and caps are no problem. 
>I'll keep an eye out at the Dayton hamfest.
>
>Nick England K4NYW
><http://www.navy-radio.com>www.navy-radio.com



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