Hi, > On 2 May 2019, at 19:17, Julian H. Stacey <j...@berklix.com> wrote: > > Hi, Reference: >> From: "N.J. Mann" <n...@njm.me.uk> >> Date: Thu, 02 May 2019 18:18:16 +0100 > > "N.J. Mann" wrote: >> Hi, >> >> >> On Friday, May 03, 2019 03:00:05 +1000 Michelle Sullivan >> <miche...@sorbs.net> wrote: >>>>> I am sorry to hear about your loss of data, but where does the 11kV come >>>>> from? >>>>> I can understand 415V, i.e. two phases in contact, but the type of >>>>> overhead >>>>> lines in the pictures you reference are three phase each typically 240V to >>>>> neutral and 415V between two phases. >>>>> >>>> Bottom lines on the power pole are normal 240/415 .. top lines are the >>>> 11KV distribution network. >>> >>> Oh and just so you know, it’s sorta impossible to get 415 down a 240v >>> connection >> >> No it is not. As I said, if two phases come into contact you can have 415v >> between >> live and neutral. > > With 3 phase: > - 415 between each of the 3 live phases > - 240 between neutral & the 3 live phases
... and that’s RMS, so 586 and 325 peak respectively. > (To visualise: draw a circle of radius 12 cm, mark off dots on circle at > 120 degrees. measure between dots: 20.75cm, Neutral is compass hole in paper ) > > PS UK/Britain was nominal 240V, but EU inc UK is now nominal 230V +10%/-6% > https://en.wikipedia.org/wiki/Mains_electricity#Standardisation > > Cheers, > Julian > -- > Julian Stacey, Consultant Systems Engineer, BSD Linux Unix, Munich Aachen Kent > http://stolenvotes.uk Brexit ref. stole votes from 700,000 Brits in EU. > Lies bought; Campaigns fined; 1.9 M young had no vote, 1.3 M old leavers dead. > _______________________________________________ > freebsd-stable@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org" -- Bob Bishop r...@gid.co.uk _______________________________________________ freebsd-stable@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"
