[time-nuts] Transformers

[J. Forster]

One of the big networks ran a program on "being green" a couple of years
ago and suggested that the "energy crisis" could be solved by unplugging
iPod chargers.

Nuts.

-John

===============


>
> Locally, there was a radio station running PSAs to tell people to unplug
> their cell phone chargers "To save the environment".
>
> I was very tempted to call in with some envelope calculations on the
> energy expended to send out the PSAs vs the energy saved.
>
> It's not easy being green, but it's easy to LOOK green.
>
> ________________________________________
> From: time-nuts-bounces at febo.com [time-nuts-bounces at febo.com] On Behalf Of
> Brooke Clarke [brooke at pacific.net]
> Sent: Monday, June 27, 2011 1:12 PM
> To: xformer at citynet.net; Discussion of precise time and frequency
> measurement
> Subject: Re: [time-nuts] Transformers
>
> Hi:
>
> For small (say under 5 Watt) loads the old wall wart has bit the dust
> (at least in California) because they waste power.  The new wall warts
> don't use mains frequency transformers, but rather transformers running
> is kHz frequencies.  You can tell because they are much smaller than the
> old ones and much lighter as well as working on any mains voltage and
> current in the world.
>
> Have Fun,
>
> Brooke Clarke
> http://www.PRC68.com
>
>
>
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