INSULATION MEMBER AND PRODUCTION METHOD THEREOF

To suppress occurrence and progress of a tree on an insulation member.SOLUTION: Compression stress is applied to an insulation member 10 for covering an insulation object 1 for electrically insulating the same from outside, in a thickness direction, on a part opposite to a side contacting the insula...

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Main Authors URAKAWA NOBUO, SAKURAI TAKAYUKI, TAKEUCHI MIWA, OKAJIMA NAOKI, YOSHIMITSU TETSUO, HIRAI HIROMITSU, IMAI TAKAHIRO
Format Patent
LanguageEnglish
Japanese
Published 04.06.2020
Subjects
BASIC ELECTRIC ELEMENTS
CABLES
CONDUCTORS
ELECTRICITY
INSULATORS
SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES
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Summary:To suppress occurrence and progress of a tree on an insulation member.SOLUTION: Compression stress is applied to an insulation member 10 for covering an insulation object 1 for electrically insulating the same from outside, in a thickness direction, on a part opposite to a side contacting the insulation member 10 in the thickness direction. The stress on a part contacting the insulation member 10 may be smaller than that on the opposite part. In addition, the compression stress in the thickness direction may be monotonously reduced from outside to inside.SELECTED DRAWING: Figure 1 【課題】絶縁部材におけるトリーの発生、進展を抑制する。【解決手段】絶縁対象１を覆い外部と電気的に絶縁するための絶縁部材１０は、その厚み方向に絶縁部材１０に接する側の反対側の部分において、厚み方向に圧縮応力が付加されている。なお、絶縁部材１０に接する部分での応力は、その反対側の部分における応力より小さいことでもよい。さらに、厚み方向に外側から内側に向けて厚み方向の圧縮応力が単調に減少することでもよい。【選択図】図１
Bibliography:Application Number: JP20180217478