Cable mounting system 400 kV Grid London


1. Application / Description
This tunnel project approx. 30 m below of London’s city centre was the longest in the history of Vetter. For reasons of size of the access shafts all cables had be inserted by both ends and transported in the underground up to 10 km. Due to cable lengths of up to 1000 m the weight to be transported arose up to 40 tons. This tunnel project approx. 30 m below of London’s city centre was the longest in the history of Vetter. For reasons of size of the access shafts all cables had be inserted by both ends and transported in the underground up to 10 km. Due to cable lengths of up to 1000 m the weight to be transported arose up to 40 tons. 

2. Technical data

Project-No   291.502.00
Type   Unterquerung London
Year   2002-2004
Customer   National Grid London, Südkabel Mannheim
Voltage level KV  400/AC
Installation length m 20.000
Total cable length m 60.000
Number of systems St.  1 (3 phases)
Installation location   Tunnel
Type of installation   Wall mounted
Cable weight kg/m 40
Cable diameter mm 150
Drum diameter mm 4800
Drum weight kg 45.000