From: arl_123234@hotmail.com   
      
   On 09/20/2016 09:57 AM, Tzortzakakis Dimitrios wrote:   
      
   > Hi, usually the PF correction is being done on a HV to MV substation, and   
   > of course on the MV side.I suppose  PF can be easily measured with   
   > potential and current transformers? I have a couple of slides,   
   > too.(Showing those capacitor banks). I saw them on a local substation,   
   > 150 to 20 kV, I have also a video from the computers running the cretan   
   > grid (Crete, Greece) and they know always the reactive power on each   
   > city, also major substation. unfortunately the video is in greek.HTH,   
   > HAND, Dimitris Tzortzakakis, ee major.   
      
   Hello, and thanks for replying.  I think determining the location (pole   
   location, not where the capacitors are fixed on the pole) of capacitor   
   banks on utility poles is more than purely guess work.  OTOH measuring   
   anything at MV potentials (~500 volts to 69 kV in the U.S) would be   
   highly dangerous (yes I know linemen work on live wires at MV or higher   
   potentials).  So does there exist, say, a mobile van or bucket truck   
   with PF measuring gear that can be parked by utility poles at candidate   
   locations and MV line-line/line-neutral PF measurement be accomplished?   
   The question then is what is the value of PF that indicates the need for   
   capacitor installation at that location?  Sincerely,   
      
   --   
   J. B. Wood	            e-mail: arl_123234@hotmail.com   
      
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