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???
08/19/05 11:49
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#99696 - yes I know
Responding to: ???'s previous message
well as far as the resistor remains to be a resistor...

But I repeat it measures CURRENT not POWER. The relation between current and power might depend on circumstances.

The power metering chips multiply instantaneous current and voltage hence they measure power, just they are specifically designed for 50/60Hz, so they will not work at 20-80kHz.

Jan Waclawek


List of 19 messages in thread
TopicAuthorDate
rms value of current for induction heat            01/01/70 00:00      
   Use a true RMS meter!            01/01/70 00:00      
   On second thoughts....            01/01/70 00:00      
      On second thoughts.... Give third too..            01/01/70 00:00      
         Service problem!            01/01/70 00:00      
            thermal effects            01/01/70 00:00      
               power metering            01/01/70 00:00      
                  Elegant            01/01/70 00:00      
               Never had a need!            01/01/70 00:00      
            bulb, power, etc.            01/01/70 00:00      
               Bolo-`            01/01/70 00:00      
                  yes I know            01/01/70 00:00      
                     A resistor            01/01/70 00:00      
                  Thermal Inertia.            01/01/70 00:00      
   there is a bunch of recently relased ele            01/01/70 00:00      
   all methods are for 50hz            01/01/70 00:00      
      Do some research            01/01/70 00:00      
      analogy            01/01/70 00:00      
   Hall Generator for power measuring            01/01/70 00:00      

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