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An investigation of magnetizing current waveforms of single phase power transformer due to DC bias injection through simulation and experimental study is present in this paper. A method base on MATLAB simulation that is capable of predicting of magnetizing current without and with DC bias is used. The experimental study is done by the DC bias current injected simultaneously with AC source to primary...
The dc bias effects on the magnetizing and magnetic induction are analyzed through their harmonic characteristics. A model transformer in order to analyzed the harmonic characteristic of the single phase power transformer under dc bias condition. The effect of dc bias will seen by the dc current injected on the winding of experiment system. Effect of that the linear value is changed with the ac excitation...
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