HARMONIC ANALYSIS OF POWER ELECTRONIC TRANSFORMER
Journal: International Journal of Engineering Sciences & Research Technology (IJESRT) (Vol.7, No. 3)Publication Date: 2018-03-31
Authors : Ashish Shukla Durga Sharma Vishwanath Prasad Kurmi;
Page : 192-195
Keywords : Power electronic transformer; DC component; Square wave; Iron loss; Knee region;
Abstract
Transformer size can be reduced significantly by increasing the frequency of the transformer, which can be achieved by using several power electronic converters on both sides of the transformer. This high frequency transformer is called power electronic transformer, but high frequency increases iron loss significantly. Square wave also has high value of DC component, which has undesirable effects on transformer, large values of DC voltages can shift the operation in to regions past the knee region of the saturation curve. This would result into excessive temperature rise. This paper analyzes high frequency square wave input's adverse effects on transformer.
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Last modified: 2018-03-17 19:46:37