UNDERGROUND HIGH-VOLTAGE ELECTRICAL LINE
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United States of America Patent
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Issued Date -
Jul 16, 2015
app pub date -
Dec 30, 2014
filing date -
Jan 15, 2014
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An underground, three-phase, high-voltage electrical line, includes three phase-conducting cables, each being made up of a succession of cable portions (3a, 3b) interconnected by a cross-bonding junction (4). The line has a connection interface (7) connected to the screen of a first cable portion (3a) and to the screen of a second butted cable portion (3b), a module (6) provided with a junction extension box (14) and equipped with an additional connection interface (8) connected to the connection interface (7) of each junction. A lightning arrester (10) is disposed in the module (6) and is electrically connected to the additional connection interface (8) of the module and the lightning arrester (10) is equipped with a device to monitor its condition disposed in said box (14) connected to a signal generator (16).
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