Well, if you don't pay your bills, the power company can't afford the
fuel required to keep up with demand.
Stability of the system frequency requires a balance between supply and
demand. If the demand exceeds supply then the generators must slow down.
In a synchronous network, all generators must
If you don't pay your bills, the guy who was sending you power stops sending
it so your zone starts running without enough power.
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When there is more demand than generation, the frequency of the grid
drops. My understanding is that one particular country is pulling more
from the grid than they are generating, and for political/and or financial
reasons which are a bit unclear, noone is willing to generate enough power
to
Please forgive that I am a lurker and have not contributed.
But this last thread caught my eye since I monitor the time error for the
Western Grid here in the US.
Over the last year the usual variation is very much the same as in David's
graph for 2017 -- i.e., +/- 30 seconds. The power
Can someone please explain why not paying your bills causes the grid and
therefore the clocks to slow down? None of the reports, either for the
technical or lay person, give a reason.
David N1HAC
On 3/8/18 5:00 PM, Pieter-Tjerk de Boer wrote:
Hello all,
Here's my graph of the mains grid
I got a message from the Swiftnav support folks yesterday (I have a
piksi multi amongst my little fleet of GPSen) because they had an
emergency firmware patch to their kit because of a change in the L2C
signal was giving them issues. (Props to them for getting a firmware
update out in ~12
Hello all,
Here's my graph of the mains grid phase deviation over the last month, and
for comparison the normal behaviour during the previous year:
http://wwwhome.ewi.utwente.nl/~ptdeboer/misc/mains-2018.html
This is measured in Enschede, the Netherlands, by time-stamping every mains
cycle
If the drift had been 5 or 15 seconds over a few days, sure, "catching up"
is right.
But after two months of accumulated 7 minutes deviation, surely everyone
has already manually adjusted their clocks? And in the process of the grid
"catching up" won't everyones clocks now be 7 minutes fast after
> On Mar 8, 2018, at 6:39 AM, Jean-Louis Rault wrote:
>
> A picture of my own microwaves oven, this 8th of march, near Paris, France .
A picture of my own microwaves oven, this 8th of march, near Paris, France .
The time reference is a DCF77 radio controlled clock.
Jean-Louis Rault
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A picture of my own microwaves oven, this 8th of march, near Paris, France .
The time reference is a DCF77 radio controlled clock.
Jean-Louis Rault
Le 07/03/2018 à 21:09, Poul-Henning Kamp a écrit :
In message
<1520456485.3091982.1295242984.442b4...@webmail.messagingengine.com>,
This might be of interest. I don't know any more about it than is stated at
the site below:
https://www.greenlake-eng.com/it/products/time-products/gle-tcsw/
Philip
-- Forwarded message --
From: Bob Martin
Date: Wed, Mar 7, 2018 at 2:34 PM
Subject: Re:
Hi,
On 03/07/2018 09:05 PM, Mark Sims wrote:
> I once looked into adding IRIG generation to Lady Heather. I never came up
> with a reliable / robust way to do it. It could possibly be done with some
> of the Windows multi-media support, but that would leave the
> Linux/macOS/FreeBSD people
Hi Attila, have a look at CPPSim.
http://www.cppsim.com/Tutorials/synthesizer_tutorial.pdf
Sebastian
On 07.03.2018 17:42, Attila Kinali wrote:
> Hi,
>
> I have a small side task, where I need to design a PLL system
> As it is a bit non-conventional, I am not confident that my
> pen and paper
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