期刊
IEEE TRANSACTIONS ON POWER ELECTRONICS
卷 21, 期 5, 页码 1484-1491出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPEL.2006.882083
关键词
impedance transformer; matching network; resonant converter
This letter presents analysis and, design considerations for lumped (inductor and capacitor) matching networks operating at high efficiency (> 95%). Formulas for calculating matching network efficiency are given, and it is shown that efficiency can be expressed as a function of inductor quality factor Q(L), capacitor quality factor Q(C), and transformation ratio. These formulas are used to evaluate the optimum number of L-section matching stages as a function of conversion ratio. Both simulation and experimental results are presented that validate the analytical formulation.
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