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- Q228061 subject Q6312754.
- Q228061 subject Q7822783.
- Q228061 abstract "The Berlin 380 kV electric line is a 38.3-km double-circuit high-voltage electric three-phase power line in Berlin. An unusual system for a municipality, it was installed by the West Berlin Bewag utility company during the division of the city. Since 1951, West Berlin had been cut off from the East Berlin and East German power networks, and maintained an independent power generation capacity that was not connected to any other power grid. Berlin was connected to the western European power grid in 1994, following German reunification, by extending the 380 kV line.The first section of the line, which entered service in 1977, was an interconnector that consisted of a 2.6 km overhead transmission line and an 8.1 km underground cable, which ran from Reuter power station in Spandau to Mitte substation in Tiergarten ("Mitte" means "central"; the district of Berlin-Mitte was then in East Berlin). It was the first time plastic insulators had been used. The overhead segment and an adjacent 110-kV line are the only overhead lines in former West Berlin. The underground section used water-cooled cable in an accessible tunnel. Both substations use totally enclosed SF6-insulated switchgear. They are the oldest 380 kV substations with SF6 technology in Germany. Another speciality of the Berlin power grid is that the first pylon near Reuter power station has been built as a 66 metre high concrete structure with transversal steel lattice mimicking a chimney for aesthetical reasons.After German reunification the line was extended 7.6 km further west to Teufelsbruch substation in Spandau Forest, near Berlin's western border, in 1994. The city was finally relinked to the western German power grid via a new 170 km (106 mi) transmission line to Helmstedt, just across the former inner-German border.At the same time, the 380 kV line was extended into former East Berlin via a 6.3 km (3.9 mi) tunnel to Friedrichshain substation (1998), extended 5.2 km to Marzahn substation in 2000. From Marzahn substation a 12 km long 380 kV overhead powerline was built in 1998 to Neuenhagen substation east of Berlin in order to create a second connector to the Western European grid. The tunnel is up to 30 m deep, and has a small inspection railway. After the line was complete, several overhead lines in former East Berlin were dismantled.".
- Q228061 thumbnail Hochspannungskabel_400kV_Querschnitt.JPG?width=300.
- Q228061 wikiPageExternalLink index.html.
- Q228061 wikiPageExternalLink 2000_11_15.shtml.
- Q228061 wikiPageExternalLink bewag.htm.
- Q228061 wikiPageExternalLink Bewag_Tunnelbahn.htm.
- Q228061 wikiPageExternalLink 2F68ADE31098D5E5C1256A5500229429?OpenDocument.
- Q228061 wikiPageExternalLink 001103.htm.
- Q228061 wikiPageWikiLink Q1096907.
- Q228061 wikiPageWikiLink Q12725.
- Q228061 wikiPageWikiLink Q15141485.
- Q228061 wikiPageWikiLink Q157675.
- Q228061 wikiPageWikiLink Q158083.
- Q228061 wikiPageWikiLink Q159719.
- Q228061 wikiPageWikiLink Q16957.
- Q228061 wikiPageWikiLink Q178150.
- Q228061 wikiPageWikiLink Q183.
- Q228061 wikiPageWikiLink Q1951366.
- Q228061 wikiPageWikiLink Q2013767.
- Q228061 wikiPageWikiLink Q25250.
- Q228061 wikiPageWikiLink Q27496.
- Q228061 wikiPageWikiLink Q279055.
- Q228061 wikiPageWikiLink Q317056.
- Q228061 wikiPageWikiLink Q328672.
- Q228061 wikiPageWikiLink Q471846.
- Q228061 wikiPageWikiLink Q486562.
- Q228061 wikiPageWikiLink Q5086.
- Q228061 wikiPageWikiLink Q56036.
- Q228061 wikiPageWikiLink Q56037.
- Q228061 wikiPageWikiLink Q56039.
- Q228061 wikiPageWikiLink Q6312754.
- Q228061 wikiPageWikiLink Q64.
- Q228061 wikiPageWikiLink Q702521.
- Q228061 wikiPageWikiLink Q7822783.
- Q228061 wikiPageWikiLink Q844861.
- Q228061 wikiPageWikiLink Q914711.
- Q228061 comment "The Berlin 380 kV electric line is a 38.3-km double-circuit high-voltage electric three-phase power line in Berlin. An unusual system for a municipality, it was installed by the West Berlin Bewag utility company during the division of the city. Since 1951, West Berlin had been cut off from the East Berlin and East German power networks, and maintained an independent power generation capacity that was not connected to any other power grid.".
- Q228061 label "Berlin 380-kV electric line".
- Q228061 depiction Hochspannungskabel_400kV_Querschnitt.JPG.