Railway power line Cologne – Sindorf

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The Cologne – Sindorf traction power line is a high-voltage overhead line of Deutsche Bahn AG that went into operation in 2002 and forms part of the traction power network . Like all traction power lines in Germany, it is operated as a two-pole 110 kV line with single-phase alternating current and a frequency of 16.7  Hertz . Like most traction power lines, it has 2 circuits and thus 4 conductors . In the course of this line, which is largely based on the existing infrastructure, there are some technical features.

history

The construction of the line is related to the expansion of the Cologne – Aachen railway line to become a high-speed line . In the section from Cologne to Düren this was expanded from two to four tracks, with the newly built tracks being used for high-speed traffic (up to 250 km / h) and the existing tracks for S-Bahn traffic. While in the western area between Düren and Aachen there was already a substation near Stolberg before the line was expanded, which is fed from a traction current line coming from Düsseldorf , an additional substation was necessary in the eastern area due to the newly created capacities.

course

The line starts at the converter plant in Cologne in the Gremberghoven district , where it is connected to the existing traction current network. The converter plant itself was originally a converter plant and was built in 1957. In 2010 the system was converted, with two new three-phase converters being installed. It leaves this facility in a north-westerly direction to follow the Cologne freight bypass . To the west of the Gremberg motorway junction , it crosses the BAB 4 for the first time . While most of the line's masts have the single-level arrangement common for traction power lines in Germany, some of the pylons south of the BAB 4 have two trusses due to the narrower route width. The line then turns more to the west and reaches the Cologne south bridge . For this purpose, the towers and trusses of the south bridge were equipped with brackets. The line routing on the western bridge towers is particularly remarkable, because one conductor of the traction current system bypasses this on the outside, while the other runs on a busbar-like construction on the inside of the towers. West of the Rhine it meets the Left Rhine route to Bonn , which it now follows in a southerly direction. It runs on relatively narrow masts through the middle of the site of the old Eifeltor freight station.

After the BAB 4 was crossed again, it bypasses the site of today's Cologne-Eifeltor freight station . At its southern end, it crosses the north-south line and the oldest 380 kV line in Germany, the Rommerskirchen – Hoheneck line . To the north of Brühl , the left Rhine route is left to the west and the line uses the existing overhead line infrastructure from here. First it runs on some pylons of the former 220 kV Goldenbergwerk – Wesseling line, then it leads to the lowest traverse of the Oberzier - Kierdorf - Sechtem line . This line was designed in the section between Kierdorf and Sechtem when it was built in 1975 with three traverses for up to four 380 kV circuits, although only two circuits are still in operation. When it was built, a viewing platform was installed on a guy pole of this line, but it was dismantled in 2010.

Shortly before Kierdorf, this combined line crosses the BAB 1 and the circles of the traction power line lead to the route of the former 110 kV line Kierdorf – Mödrath . This line originally supplied the facilities of the Frechen opencast mine via the Mödrath substation.After lignite mining ended in 1986 and the pit was backfilled by 2003, the line became dispensable due to the lower energy requirement. When converting to a railway power line, only the two outer phases on the lower traverse were removed. At Türnich the line turns from the north-west to the west again and crosses the BAB 61, still parallel to the 380 kV line Oberzier – Sechtem . After Kerpen was bypassed to the south, the line at Manheim-neu turns north, parallel to the 380 kV line branch to Paffendorf , which was only completed in 2017 , until it meets the Cologne – Aachen railway line. It follows this a very short distance and crosses the BAB 4 a third time shortly before its end at the Sindorf substation .

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  At the BAB 4 in Gremberg

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  Masts with two levels

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  Cologne south bridge with traction power line Cologne – Sindorf

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  At the Eifeltor freight yard