[PRCo] Re: voltage and frequency

John Swindler j_swindler at hotmail.com
Wed Aug 29 12:13:17 EDT 2007


Thanks, Boris

So the connection I was suspecting -----  wasn't.

So was there any connection between railroad using 16 2/3 Hz and European 
grid using 50Hz, which is three times greater??   Or again, no connection, 
it just happened??

John, inexperienced non-electrician




>From: "Boris Cefer" <westinghouse at iol.cz>
>Reply-To: pittsburgh-railways at dementia.org
>To: <pittsburgh-railways at dementia.org>
>Subject: [PRCo] Re: voltage and frequency
>Date: Wed, 29 Aug 2007 14:26:28 +0200
>
>The value of 16 2/3 Hz came originally from rotary sources (alternators) of
>energy owned by railroads. The electricity did not come from public grid
>originally.
>
>B
>(experienced non electrician)
>
>----- Original Message -----
>From: "John Swindler" <j_swindler at hotmail.com>
>To: <pittsburgh-railways at dementia.org>
>Sent: Wednesday, August 29, 2007 2:18 PM
>Subject: [PRCo] Re: voltage and frequency
>
>
> >
> >
> >
> > Any electricians who can comment if there is any significance that the
> > railways operate at 1/3 the Hz of the public energy grid?  Maybe single
> > phase tapping from three phase????
> >
> > Just wondering?????
> >
> > John, non electrician
> >
>
>

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