Dimitris Tzortzakakis  wrote in   
   news:r4nr8h$o3e$4@dont-email.me:   
      
   > Στις 12/3/2020 1:48 μ.μ., ο   
   > DecadentLinuxUserNumeroUno@decadence.org έγραψε:   
   >> "J.B. Wood"  wrote in   
   >> news:r4apb8$1st5$1@gioia.aioe.org:   
   >>   
   >>> On 3/11/20 9:02 AM, Dimitris Tzortzakakis wrote:   
   >>>   
   >>>> as I am sure you know, measuring the PF on MV lines would need   
   >>>> to interrupt the circuit and mount potential and current   
   >>>> transformers to feed the measuring equipment.   
   >>>   
   >>> Hello, and that would certainly be the way via direct   
   >>> measurement, but hardly practical if you're dealing with   
   >>> something like a 34.5/19.9 kV 4-wire distribution system, as is   
   >>> common in my residential environs. I'm unsure if MV PF   
   >>> measurement equipment even exists.  Sincerely,   
   >>>   
   >>>   
   >>   
   >>    Somehow, they can tell at the generation point.   
   >>   
   >>    Not practical to examine in the field as you say.   
   >>   
   >>    I have seen sub stations with three sets of three phase feeds   
   >>    and   
   >> three sets of three huge banks of caps and 9 circuit interruptor   
   >> swing arms too.   
   >>   
   > of course you mean disconnect switches (usually combined with   
   > earthing switches and oil circuit breakers)   
   >   
      
     Little 8 inch long arms I would call disconnects.  These are a few   
   feet long each, IIRC.  All inside the substation's containment plot.   
   It is over by the grocery so if I go before I die, I'll takes a few   
   snaps.  It is a lot of converged feeds.  Three sets of three from   
   what I can recall seeing.   
      
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