T-LCLC形イミタンス変換器

概要

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The immittance converter is the combined word of the impedance-admittance converter. The immittance converter has an input impedance that is proportional to the admittance of the load connected across output terminals. In this converter, the output current is proportional to the input voltage and the input current is proportional to the output voltage. Consequently, it converts a constant voltage source into a constant current source and a constant current source into a constant voltage source.It is well known that the quarter-wavelength transmission line shows immittance conversion characteristics. However, it has very long line length for the switching frequency, and is not suitable for power electronics application. So we proposed immittance converters that consist of lumped elements L, C and show improved immittance conversion characteristics at a resonant frequency. In this paper, we propose a T-LCLC type immitttance converter, which has the transitive configuration and both merits of T-LCL and π-CLC type immittance converter. We show voltage-current transformation characteristics and Frequency characteristics and efficiency characteristics of the T-LCLC immittance converter. These characteristics were determined analytically and experimentally.
社団法人電気学会の論文
2002-01-01