JPS58133913U - induction electric appliances - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は従来の変圧器巻線の等価回路、第２図は第１図
の急峻な衝撃電圧侵入時の初期等価回路、第３図は種々
のａに対する変圧器巻線の初期電位分布図、第４図は従
来の巻線断面図、第５図は巻線の温度分布図、第６図は
クラフト紙及びプラスチック系フィルムの厚さ変化率を
表わす図、第７図は本発明の一実施例を示す巻線断面図
である。 ４・・・低圧巻線、５・・・高圧巻線、６．１０・・・
導体、７・・・クラフト紙、８・・・プラスチック系フ
ィルム、９・・・線路端。Figure 1 is an equivalent circuit of a conventional transformer winding, Figure 2 is an initial equivalent circuit when the sudden shock voltage enters in Figure 1, and Figure 3 is an initial potential distribution diagram of a transformer winding for various a. , FIG. 4 is a cross-sectional view of a conventional winding wire, FIG. 5 is a temperature distribution diagram of a winding wire, FIG. 6 is a diagram showing the rate of change in thickness of kraft paper and plastic film, and FIG. 7 is a diagram showing a winding wire according to the present invention. It is a winding sectional view showing an example. 4...Low voltage winding, 5...High voltage winding, 6.10...
Conductor, 7...Kraft paper, 8...Plastic film, 9...Line end.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）絶縁材料により被覆した導体からなる高電圧誘導
巻線を絶縁油中に浸漬した誘導電器において、前記巻線
の線路端および線路端附近の導体はプラスチック系フ・
ｆルムにより絶縁被覆し、該プラスチック系フィルムに
より絶縁被覆されない導体はクラフト紙により絶縁被覆
するとともにプラスチック系フィルムにより絶縁被覆さ
れた前記巻線の線路端および線路端附近の導体は絶縁油
温度が相対的に低い前記巻線の下部に配置したことを特
徴とする誘導電器。 （，２）　　前記プラスチック系フィルムは、シリコン
グ′ラフト架橋ポリエチレンラミネートフーイルム、ポ
リプロピレンラミネートフィルムなどからなるラミネー
ト紙であることを特徴とする実用新案登録請求の範囲第
１項記載の誘導電器。(1) In an induction electric appliance in which a high-voltage induction winding consisting of a conductor covered with an insulating material is immersed in insulating oil, the line end of the winding and the conductor near the line end are covered with a plastic film.
The conductors that are not insulated by the plastic film are insulated by kraft paper, and the line ends of the windings and the conductors near the line ends, which are insulated by the plastic film, have insulating oil temperatures relative to each other. An induction electric appliance characterized in that the induction electric appliance is arranged at a lower part of the winding which has a low temperature. (2) The induction electric appliance according to claim 1, wherein the plastic film is a laminated paper made of silicone graft crosslinked polyethylene laminate film, polypropylene laminate film, or the like.