JPS6264148U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の実施例を示す横断面図、第２
図はその縦断面図、第３図は本実施例と従来技術
とを対比して絶縁特性を示す特性図である。 図面中、１はコイル素線導体、２は対地絶縁層
、３，４は半導電層、５はコイル鉄心、ｔは対地
絶縁層の厚さである。 Figure 1 is a cross-sectional view showing an embodiment of the present invention;
The figure is a longitudinal sectional view thereof, and FIG. 3 is a characteristic diagram showing the insulation characteristics comparing the present embodiment and the prior art. In the drawings, 1 is a coil wire conductor, 2 is a ground insulating layer, 3 and 4 are semiconducting layers, 5 is a coil core, and t is the thickness of the ground insulating layer.

Claims (1)

【実用新案登録請求の範囲】 厚さｔが１．５mm以上ある対地絶縁層によりコ
イル素線導体を被覆したコイルにおいて、 前記対地絶縁層内に、コイル素線導体際から０
．２ｔ〜０．５ｔの位置で少なくともコイル直線
部の長さに亘つて前記コイル素線導体を囲繞する
内側の半導電層と、コイル素線導体際から０．６
ｔ〜０．９ｔの位置で鉄心長と同じ長さに亘つて
前記コイル素線導体を囲繞する外側の半導電層と
を設けたことを特徴とする高圧回転電機のコイル
。[Scope of Claim for Utility Model Registration] In a coil in which a coil wire conductor is covered with a ground insulating layer having a thickness t of 1.5 mm or more, within the ground insulating layer, from the edge of the coil wire conductor,
．． an inner semiconducting layer that surrounds the coil wire conductor over at least the length of the coil straight section at a position of 2t to 0.5t;
A coil for a high-voltage rotating electric machine, characterized in that an outer semiconductive layer is provided that surrounds the coil wire conductor over a length equal to the iron core length at a position from t to 0.9t.