Overhead line - overhead line

Japanese: 架空電車線 - かくうでんしゃせん
Overhead line - overhead line

...That is, the alternating current generated at a power plant travels through transmission lines, substations, etc. to a railway substation, then passes through a collector such as a pantograph from the contact wire to rotate an electric motor, and returns to the railway substation through the rails. The electricity supplied to the vehicles can be either direct current or alternating current, and the method of supplying electricity to the vehicles is generally a combination of a contact wire (also called an overhead electric wire or overhead line) installed above the track and a pantograph, but in subways, a combination of a third rail and collector shoes is sometimes used. These railway substations and ground equipment such as the contact wires that supply electricity to the vehicles are called electrical operation equipment. ...

*Some of the terminology that refers to "overhead train lines" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…すなわち,発電所で発生した交流は送電線,変電所などを経由して電鉄用変電所に入り,次にトロリー線からパンタグラフなどの集電装置を通り電動機を回転させ,レールを通じて電鉄用変電所に戻ってくる。車両に供給する電気は直流の場合と交流の場合とがあり,また車両への電気の供給方法としても一般的には軌道に沿ってその上部に架設したトロリー線(架空電車線,架線ともいう)とパンタグラフという組合せが用いられるが,地下鉄などでは,第三軌条と集電靴という組合せによることもある。これら電鉄用変電所と車両に電気を供給するトロリー線などの地上設備を電気運転設備という。…

※「架空電車線」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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