On March 24, 2015 4:24:31 PM EDT, Lennart Sorensen <[email protected]> wrote: >On Sun, Mar 15, 2015 at 10:36:10AM -0400, Stewart C. Russell wrote: >> Absolutely. At the solar plant I audited the other week, I was amused >to >> see that the great big huge expensive grid protection and control box >> was controlled via GPS sync. It's the cheapest way to maintain grid >> frequency at the far end of the grid. And I mean /far/; 5 hours west >of >> Thunder Bay
Sort of timing related; here's a neat desktop demonstration video of time honored lightbulb syncing of a polyphase AC grid. https://m.youtube.com/watch?v=RGPCIypib5Q >> >> > My finance client's use ptp not ntp. >> >> Is PTP particularly hard to use? It looks like an ISO standard, so >will >> likely be fiddly but complete. > >IEEE 1588 I believe. No idea if there is an ISO standard for it. > >-- >Len Sorensen >--- >Talk Mailing List >[email protected] >http://gtalug.org/mailman/listinfo/talk -- Sent via K-9 Mail. --- Talk Mailing List [email protected] http://gtalug.org/mailman/listinfo/talk
