JPH038420U

JPH038420U -

Info

Publication number: JPH038420U
Application number: JP6876189U
Authority: JP
Priority date: 1989-06-12
Filing date: 1989-06-12
Publication date: 1991-01-28

Description

[Brief explanation of drawings]

第１図は、本考案の一実施例を示す非線形チヨ
ークコイルの分解斜視図。第２図は、本考案の他
の実施例を示すＥ型コアの分解斜視図。第３図は
、従来の非線形チヨークコイルを構成するＥＩ型
コアの組み合わせ状態を示す外観斜視図。第４図
は、非線形チヨークコイルの直流電流重畳に対す
るインダクタンス特性を、無空隙磁路部の特性Ｌ
_１、有空隙磁路部の特性Ｌ_２、及びこれらの合成
特性Ｌ_０で示す特性図。１……（本考案の）Ｅ型コア、２……Ｉ型コア
、３ａ……Ｅ型無空隙分割コア、３ｂ……Ｅ型有
空隙分割コア、４ａ，４ｂ……中脚、５ａ……突
き合わせ面、５ｂ……空隙面、６ａ，６ｂ……外
脚、７……巻線、８……シート状Ｅ型無空隙分割
コア、９……シートコア中脚、１０……階段、１
１……（従来の）Ｅ型コア、１２……中脚、１３
……階段、１４……Ｉ型コア、１５……空隙、１
６，１７……磁路、１８……突き合わせ面、Ｌ_０……非線形チヨークコイルのインダクタンス特性
（Ｌ_１，Ｌ_２の合成特性）、Ｌ_１……無空隙磁路
部のインダクタンス特性、Ｌ_２……有空隙磁路部
のインダクタンス特性。 FIG. 1 is an exploded perspective view of a nonlinear chiyoke coil showing an embodiment of the present invention. FIG. 2 is an exploded perspective view of an E-shaped core showing another embodiment of the present invention. FIG. 3 is an external perspective view showing a combination of EI type cores constituting a conventional nonlinear chi-yoke coil. Figure 4 shows the inductance characteristics of the nonlinear Chi-Yoke coil with respect to DC current superimposition, and the characteristics L of the gapless magnetic path section.
₁ , a characteristic L ₂ of a magnetic path section with an air gap, and a characteristic diagram showing a composite characteristic L ₀ of these characteristics. 1... E-type core (of the present invention), 2... I-type core, 3a... E-type split core without voids, 3b... E-type split core with voids, 4a, 4b... middle leg, 5a... Butt surface, 5b... Gap surface, 6a, 6b... Outer leg, 7... Winding wire, 8... Sheet-like E-type gapless split core, 9... Sheet core middle leg, 10... Stairs, 1
1... (Conventional) E-type core, 12... Middle leg, 13
...Stairs, 14...I-type core, 15...Void, 1
6, 17...magnetic path, 18...butting surface, L ₀ . . . Inductance characteristics of the nonlinear chi-yoke coil (combined characteristics of L ₁ and L ₂ ), L _{1 .} . . Inductance characteristics of the magnetic path portion without air gap, L ₂ .

Claims

[Scope of utility model registration request]

A nonlinear chi-yoke coil in which a gap is provided in a part of one abutting surface of the open magnetic circuit cores that form the closed magnetic circuit core, and the abutting surfaces of the respective open magnetic circuit cores are abutted to form the closed magnetic path core, which is then wound. In the method, the open magnetic circuit core in which a gap is provided in a part of the one butting surface is divided into at least two parts, and is composed of a gap-free divided core without a gap and a gap-equipped divided core in which a gap is provided. A nonlinear chiyoke coil featuring: