You can reduce (or increase) the line voltage with a small filament transformer connected to buck (or boost) the line. For things up to a couple of hundred Watts, the cost is <$10.
-John ================ > Ah but transformer design will become a lost art and will spawn lots of > little garage industies :-)) > I have certainly had some Heath transformers overheat and go shorted-turn > primary when used on 50Hz in the UK, and also some Japanese > ones.......they > have 50Hz and 60Hz I believe unless they have rationalised in the last 30 > years. What makes it worse is our nominal is 240V AC not 220 > Alan G3NYK > > ----- Original Message ----- > From: "Charles P. Steinmetz" <[email protected]> > To: "Discussion of precise time and frequency measurement" > <[email protected]> > Sent: Monday, June 27, 2011 7:36 PM > Subject: Re: [time-nuts] No more 60Hz! TEC Elimination > > >> >> >The only thing I know of, apart from clocks, that you should not run >> >on the wrong frequency are oldfashioned mechanical shavers. >> >> There are lots of consumer products sold in North America that >> specify 60 Hz only, and in which the transformers will hum and >> overheat if run on 50 Hz. I have always designed with transformers >> that will accept 47-63 Hz, but many competitors do not. As more and >> more items move to switching power supplies, this will be less of an >> issue (of course, in many applications the switching supplies >> themselves will create new issues...). >> >> Best regards, >> >> Charles >> >> >> >> >> >> _______________________________________________ >> time-nuts mailing list -- [email protected] >> To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
