[time-nuts] line frequency website

shalimr9 at gmail.com shalimr9 at gmail.com
Fri Dec 30 17:47:25 EST 2011


The problem is that while the frequency is going to be pretty much the same anywhere on the same grid, the voltage is not. Knowing the voltage at some point in your state (or another) is not all that useful. They may record it, but I am not even sure it would be worth saving in a database.

Didier KO4BB

Sent from my BlackBerry Wireless thingy while I do other things...

-----Original Message-----
From: David VanHorn <D.VanHorn at elec-solutions.com>
Sender: time-nuts-bounces at febo.com
Date: Fri, 30 Dec 2011 10:13:38 
To: Discussion of precise time and frequency measurement<time-nuts at febo.com>
Reply-To: Discussion of precise time and frequency measurement
	<time-nuts at febo.com>
Subject: Re: [time-nuts] line frequency website


I would love to see something like that which plotted voltage.


________________________________________
From: time-nuts-bounces at febo.com [time-nuts-bounces at febo.com] On Behalf Of Jim Lux [jimlux at earthlink.net]
Sent: Thursday, December 29, 2011 5:16 PM
To: Discussion of precise time and frequency measurement
Subject: [time-nuts] line frequency website

Check it out:

http://fnetpublic.utk.edu/tabledisplay.html

line frequency measurements updated once a second

Operated by the Power Information Technology Laboratory at the
University of Tennessee, FNET is a low-cost, quickly deployable
GPS-synchronized wide-area frequency measurement network. High dynamic
accuracy Frequency Disturbance Recorders (FDRs) are used to measure the
frequency, phase angle, and voltage of the power system at ordinay 120 V
outlets. The measurement data are continuously transmitted via the
Internet to the FNET servers hosted at the University of Tennessee and
Virginia Tech. The Power IT Lab has developed several applications which
use the FNET data to study the power system, including:

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