直交磁心形可変インダクタにおける楔形ギャップの形状効果について

概要

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By using an orthogonal-core-type variable inductor and capaciter, we will realize a simple, reliable, and high-quality voltage regulator. However, the nonlinear magnetization characteristic of the orthogonal core causes harmonics in the output current. To reduce the harmonic current of the orthogonal-core-type variable inductor, we previously proposed an orthogonal core with wedge gaps. A trial three-phase 100-kVA variable inductor demonstrates that the variable inductor can be put to practical use in a 6.6-kV ac distribution system. For wide application, it is necessary to examine the optimum size of the wedge gap and to establish a design method for the orthogonal core. In this paper, we present a method for quantitative analysis of the orthogonal core with wedge gaps, and examine the characteristics of the variable inductor for various dimensions of the wedge gap.
社団法人日本磁気学会の論文
2001-04-15