how I can calculate THD in H-bridge inverter

Discussion in 'Power Electronics' started by jvvg bcvv, Sep 20, 2017.

  1. jvvg bcvv

    Thread Starter New Member

    Sep 20, 2017
    2
    0
    how I can calculate THD in for 3level, 5level, 7level H-bridge inverter
     
  2. MrAl

    AAC Fanatic!

    Jun 17, 2014
    5,127
    1,111
    Hi,

    It's almost always based on the Fourier Series. You calculate the harmonics up to some reasonable number, then add them as the square root of the sum of squares of all the harmonic amplitudes, then express that as a ratio to the fundamental amplitude.
     
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