power factor correction

Discussion in 'General Electronics Chat' started by shicibukai, Apr 3, 2013.

  1. shicibukai

    Thread Starter New Member

    Feb 21, 2013
    6
    0
    i had measure current, voltage and power at my load( bulb ). here are the details:
    V=242V
    I= 0.36A
    P= 101W

    so when i calculate the power factor... i realize that the real power is greater than apparent.. how can it be?? can anyone explain it to me.. i using clamp meter to measure current and kill-a-watt meter to measure voltage and real power...
     
  2. poopscoop

    Member

    Dec 12, 2012
    139
    16
    Don't resistive loads inherently have a power factor of 1?
     
  3. #12

    Expert

    Nov 30, 2010
    16,355
    6,852
    242 x .36A = 87.12W into a resistive load

    "Real" Power measured by Kill-A-Watt: 101W

    I think your Kill-A-Watt slipped a digit or your clamp meter jaws weren't shut correctly.
     
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