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You are here: Home / Topics / any one can find power factor for AC load using 8051 microcontroller

any one can find power factor for AC load using 8051 microcontroller

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Microcontroller › 8051 › any one can find power factor for AC load using 8051 microcontroller

  • This topic has 4 replies, 4 voices, and was last updated 11 years, 5 months ago by Sreeram.
Viewing 5 posts - 1 through 5 (of 5 total)
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  • November 2, 2011 at 12:52 pm #1374
    jeyakumar
    Participant

    how to find powerfactor for an AC load….measuring instruments…..

    November 4, 2011 at 9:52 am #6800
    nikhiljain
    Participant

    Hey can you tell more about the concept of finding the power factor. I think you will have to use a step down transformer followed by an ADC and microcontroller to calculate the pf.

    March 7, 2012 at 12:27 am #7266
    Paramasivan
    Participant

    To find Power factor, you should first conver the sine wave into square wave. Take voltage and current referances from PT and CT. Then convert it into square wave. You can calculate the time difference between two waves by turning ON the timmer when voltage pulse goes to high and stop timmer when current pulse goes high. The time difference give you the powerfactor data.

    July 9, 2012 at 11:28 pm #8231
    jeyakumar
    Participant

    but some problem to fetch timer data and multiply with constant.

     

    January 8, 2014 at 12:27 pm #10833
    Sreeram
    Participant

    HI, 

            I just started working to make a power factor measuring meter using a microcontroller. Really in confusion where to start. If you can give any help, any advice, any material or details of the hardware required to impllement the power factor meter it will be a great help

     

    Sreeram

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