From: Impedance@UgotOCD.invalid   
      
   Yes but it was written up in journals back in the 1970s in many magazines   
   when triacs were first invented.   
      
   -----------   
      
   "mike"  wrote in message news:jpfb5d$2n5$1@dont-email.me...   
      
   On 5/21/2012 9:12 PM, Mho wrote:   
   > Not quite true.   
   >   
   > The way I understand these boxes is they lower the voltage to motors   
   > running at bad power factors. A synchronous motor then has to pull more   
   > current at the lower voltage to produce the same HP and the phase angle   
   > of the load now becomes closer to unity pf. While that may, in itself   
   > affect the power showing up in a residential kWh meter the motor runs   
   > cooler and the loss of energy due to motor heat is reduced. Efficiency   
   > of the motor is increased and real power is decreased. Residential bill   
   > payers can benefit but I suspect it isn't very much difference.   
   >   
   > I have never actually experimented with one on accurate metering devices..   
   >   
   > ------------   
   > "Jim Wilkins" wrote in message news:jpb7cl$3k8$1@dont-email.me...   
   > It could save money for a commercial user but not a residence, because   
   > the metering methods are different.   
   > http://www.diyaudio.com/forums/power-supplies/199479-do-domest   
   c-kwh-meters-ordinary-electric-meters-record-reactive-power.html   
   >   
   >   
   > jsw   
   >   
   >   
   Got any references in support of your creative analysis?   
      
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    * Origin: you cannot sedate... all the things you hate (1:229/2)