some comments on linear power supplies: was : RE: [sdiy] Power Supply Design Questions

[John L Marshall]

Even the high tension distribution lines are regulated to +/- 10%. It is
rarely done but, I once took a direct tap from a 220kV distribution to power
a cellular telephone base station.


Take care,
John
www.sound-photo.com
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----- Original Message -----
From: "J. Larry Hendry" <jlarryh at iquest.net>
To: "synth DIY" <synth-diy at dropmix.xs4all.nl>
Sent: Thursday, March 27, 2003 9:26 AM
Subject: Re: some comments on linear power supplies: was : RE: [sdiy] Power
Supply Design Questions


> >> ----- Original Message -----
> From: Czech Martin <Martin.Czech at Micronas.com>
> -230V installations in Germany (and also in the EU)
> should not have more than 10% voltage variations (?),
> see EN 50160
>
> -110V installations (e.g. in the USA) are said to possibly
> have much more, but I do not know this <<
>
> Current regulations define delivery voltage at the meter in the USA as 120
> volts +/- 5% (114v to 126v)
> Larry H
>
>
>
>