From: stephen@sprunk.org   
      
   On 26-Aug-15 03:40, srfurley@googlemail.com wrote:   
   > Isn't the 25 Hz. on the ex PRR lines provided via solid state   
   > frequency converters now?   
      
   There are two static inverters and one static cycloconverter now, but   
   five motor-generator sets (at three sites) remain:   
      
   https://en.wikipedia.org/wiki/Amtrak%27s_25_Hz_traction_power_system   
      
   S   
      
   --   
   Stephen Sprunk         "God does not play dice."  --Albert Einstein   
   CCIE #3723         "God is an inveterate gambler, and He throws the   
   K5SSS        dice at every possible opportunity." --Stephen Hawking   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)