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Study of the Conducted Electromagnetic Interference in the ...jpier.org/PIERB/pierb76/03.17032105.pdf· PDF file2.3. BEC of the Converter Transformer Figure 4 shows the BEC of a single-phase two-winding converter transformer. Excitation impedance (Rm, Lm) and leakage impedance (Rk1, Lk1, Rk2, Lk2) on primary and secondary sides represent the lower frequency response characteristic of the transformer, while the higher frequency response

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