oil filled cable

Japanese: oil filled cable(英語表記)oilfilledcable
oil filled cable

…However, discharges in voids (small cavities) in the insulator could not be suppressed, making it difficult to increase voltage even further. In some cases, this laminated solid oil-impregnated insulator was filled with nitrogen gas and pressurized to suppress internal discharges, and used as low-gas pressure cables and submarine GF cables. However, the principle of the oil-filled cable, which uses laminated insulating paper impregnated and pressurized with low-viscosity oil instead of high-viscosity compounds, was invented by L. Emanueli in 1912, and made a great contribution to the ultra-high voltage of power cables (Figure 2). In an oil-filled cable in which low-viscosity oil is impregnated and pressurized into laminated insulating paper with excellent dielectric properties, there are no voids in the insulator that cause discharges, and it shows extremely excellent voltage resistance characteristics. It is currently widely used for 500kV cables, and research on 1000kV cables is underway. …

*Some of the terminology that refers to "oil filled cable" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…しかしながら絶縁体中に存在するボイド(小さな空洞)中での放電を抑制できず,いっそうの高電圧化はむずかしく,この積層ソリッド油浸絶縁体に窒素ガスなどを充てん加圧して,内部放電を抑制しつつ使用する低ガス圧ケーブルおよび海底GFケーブルとして実用されたケースもある。しかしながら高粘度コンパウンドの代りに低粘度油を積層絶縁紙に含浸加圧して使用するOFケーブルoil filled cableの原理が,1912年エマニュエリL.Emanueliにより発明され,電力ケーブルの超高圧化に大きく貢献した(図2)。低粘度油を優れた誘電特性を有する積層絶縁紙中に含浸加圧したOFケーブルでは,絶縁体中に放電を生ずるボイドは存在せずきわめて優れた耐電圧特性を示し,現在500kV級に多用され,1000kV級ケーブルの研究が進められている。…

※「oil filled cable」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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