1. Apr 16, 2016 #1

   Jin0505

   

   Can anyone explain in a transformer, how could a non-sinusoidal wave of exciting current produces a sinusoidal wave of flux?

    

   Jin0505, Apr 16, 2016
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3. Apr 16, 2016 #2

   Hesch

   

   Gold Member

   Say you have a triangular exciting current. If you Fourier transform this current, it will have a dominant first harmonic ( sine wave ).
   
   It will also have a lot of higher harmonics, that are dampened due to self induction and iron losses in the transformer. Hence you will see a flux wave that is similar to a sine wave, but is not a perfect sine wave.

    

   Hesch, Apr 16, 2016

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