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Harmonic Filter

Discussion in 'General Electronics Discussion' started by joyanand_bd007, Aug 9, 2013.

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  1. joyanand_bd007

    joyanand_bd007

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    Aug 9, 2013
    Need some help with harmonics filter . I am doing an led driver project where the output current waveform has some form of harmonic. To filter that out i want to add an harmonic filter . Anyone with any idea how should i approach . Thank You
     
  2. Harald Kapp

    Harald Kapp Moderator Moderator

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    Nov 17, 2011
    You're not being very specific. What is the expected waveform? What does the actual waveform look like?

    Harmonic content per se is not a bad thing. If you drive LEDs with a rectangular pulsed current, you will have lots of harmonics but high efficiency.

    Apart from that, harmonics can be suppressed by a simple low pass filter.
     
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