Hi, On Thursday, May 02, 2019 09:27:36 +1000 Michelle Sullivan <michelle at sorbs.net> wrote:>> On 02 May 2019, at 02:16, Chris <chrcoluk at gmail.com> wrote: >> >> Your story is so unusual I am wondering if its not fiction, I mean all >> sorts of power cuts where it just so happens the UPS fails every time, > > The only ?fiction? is the date.. was the 10th not the 19th March... https://www.southcoastregister.com.au/story/5945663/homes-left-without-power-after-electrical-pole-destroyed-in-sanctuary-point-accident/ > > UPSes do glitch out sometimes, but rarely.. they do have problems when 11kv comes down a 240v line though...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. Best wishes, Nick. --
N.J. Mann wrote:> Hi, > > > On Thursday, May 02, 2019 09:27:36 +1000 Michelle Sullivan <michelle at sorbs.net> wrote: >>> On 02 May 2019, at 02:16, Chris <chrcoluk at gmail.com> wrote: >>> >>> Your story is so unusual I am wondering if its not fiction, I mean all >>> sorts of power cuts where it just so happens the UPS fails every time, >> The only ?fiction? is the date.. was the 10th not the 19th March... https://www.southcoastregister.com.au/story/5945663/homes-left-without-power-after-electrical-pole-destroyed-in-sanctuary-point-accident/ >> >> UPSes do glitch out sometimes, but rarely.. they do have problems when 11kv comes down a 240v line though... > 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.> Best wishes, > Nick.-- Michelle Sullivan http://www.mhix.org/