JPH0160514U

JPH0160514U -

Info

Publication number: JPH0160514U
Application number: JP15617187U
Authority: JP
Priority date: 1987-10-14
Filing date: 1987-10-14
Publication date: 1989-04-17

Description

[Brief explanation of the drawing]

第１図から第３図は本考案の一実施例を示し、
第１図は鉄心構造図、第２図は鉄心配置図、第３
図は補助脚の正面図である。第４図と第５図は従
来の鉄心構造を示し、第４図は３脚鉄心構造、第
５図は５脚鉄心構造である。第６図は整流装置の
回路図であり、第７図はインバータ装置の回路図
を示す。図面中１ａ，１ｂ，１ｃは主脚、２は補助脚、
３ａ，３ｂは継鉄部、４ａ，４ｂ，４ｃは交流電
源、５は交流電源、６は電圧変成器、７はサイリ
スタユニツト、８は負荷装置、９は直流電源、１
０はトランジスタユニツト、１０１はトランジス
タ素子、１１は電圧変成器、１２は負荷装置、１
３ａ，１３ｂ，１３ｃは１次巻線、１４ａ，１４
ｂ，１４ｃは２次巻線である。 1 to 3 show an embodiment of the present invention,
Figure 1 is a core structure diagram, Figure 2 is a core layout diagram, and Figure 3 is a core layout diagram.
The figure is a front view of the auxiliary leg. FIGS. 4 and 5 show conventional core structures, with FIG. 4 showing a three-legged core structure and FIG. 5 showing a five-legged core structure. FIG. 6 is a circuit diagram of the rectifier, and FIG. 7 is a circuit diagram of the inverter. In the drawing, 1a, 1b, 1c are main landing gears, 2 is auxiliary landing gear,
3a, 3b are yoke parts, 4a, 4b, 4c are AC power sources, 5 is AC power sources, 6 is a voltage transformer, 7 is a thyristor unit, 8 is a load device, 9 is a DC power source, 1
0 is a transistor unit, 101 is a transistor element, 11 is a voltage transformer, 12 is a load device, 1
3a, 13b, 13c are primary windings, 14a, 14
b and 14c are secondary windings.

Claims

[Scope of utility model registration request]

In a voltage transformer with a four-leg iron core structure, three main legs corresponding to each phase are connected to an auxiliary leg with a gap gap, and upper and lower yoke parts connect each main leg to the auxiliary leg. A voltage transformer for a power converter, characterized in that the three main legs are arranged at each vertex of an equilateral triangle, and the auxiliary leg is arranged at the center of the equilateral triangle.