Duitse hoogspanningsmasten

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Donaumast
middenspanning
Berichten: 16
Lid geworden op: 23 jul 2022 11:32
Dichtstbijzijnde trafo: Lehrte

Re: Duitse hoogspanningsmasten

Bericht door Donaumast » 04 sep 2023 21:38

Toliman schreef:
24 aug 2023 01:52
The next tower of the line is still under construction, but it is from special interest, as it is a tubular steel structure and not a lattice structure. When completed, it will be as the previous tower be capable of carrying two 380 kV and two 110 kV-circuits.
In the background, you can see a small 110 kV power line. Looks like a 1930s era Donaumast refurbished for traction power, as it has 4 cables?
https://www.google.com/maps/@48.9147678 ... ?entry=ttu

Toliman
380 kV
Berichten: 605
Lid geworden op: 28 apr 2020 01:47

Re: Duitse hoogspanningsmasten

Bericht door Toliman » 07 sep 2023 14:07

The small 110 kV-line in the background had originally two circuits (6 conductors). One circuit was used for the 110 kV-link from Birkenfeld to Pulverdingen substation, the other for the 110 kV-link from Birkenfeld to Pforzheim Cogeneration Plant. In 2003 the 110 kV-line from Birkenfeld to Pulverdingen was shut down and the pylons were dismantled in the section between Pforzheim and Wiernsheim.
Afterwards two conductors of the unused circuit were removed, however one was left, I believe for better stability of the old pylons.

Toliman
380 kV
Berichten: 605
Lid geworden op: 28 apr 2020 01:47

Re: Duitse hoogspanningsmasten

Bericht door Toliman » 12 sep 2023 00:49

Although the following two pictures did not show a powerline, but instead the way of an aerial cable car, I do not want to keep them from the forum as they look too nice. The pictures show the Neckar river crossing of Mannheim aerial cable car, which interconnects "Luisenpark" and "Spinellipark". In both parks takes the German Federal Garden Exhibition 2023 place and the aerial cable car allows the visitors to get from "Luisenpark" to "Spinellipark" (and vice versa).
At night the Neckar river crossing of this aerial cable car gots the "largest light chain" in Germany as there are red lamps on the power- and communication cable of this aerial cable car.
I have never seen such things, but I know that the Dutch Gerbrandytoren is transformed at Christmas time in a similiar way into the "tallest X-mas tree in the world" and that on the wires of some French powerlines lamps are installed, which got their power from the line by inductive or capacitive coupling.
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Toliman
380 kV
Berichten: 605
Lid geworden op: 28 apr 2020 01:47

Re: Duitse hoogspanningsmasten

Bericht door Toliman » 18 sep 2023 22:48

Tower 73 of powerline Kupferzell-Rittershausen northwest of Niederstetten. Originally, the tower carried a garland-like communication cable at its ground conductor, but in 2022 this was replaced by a ground conductor with integrated communication cable
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Laatst gewijzigd door Toliman op 18 sep 2023 22:54, 1 keer totaal gewijzigd.

Toliman
380 kV
Berichten: 605
Lid geworden op: 28 apr 2020 01:47

Re: Duitse hoogspanningsmasten

Bericht door Toliman » 18 sep 2023 22:53

At the next pylon the 110 kV-branch starts. This branch pylon is remarkable as it is a strainer for the 110 kV-circuits and a suspension tower for the 380 kV-circuit. Until 2022 on this pylon and the next in the line two garland-like communication cables were installed: one on the ground conductor and one on an auxiliary rope on the pinnacle of the tower just below it.
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Toliman
380 kV
Berichten: 605
Lid geworden op: 28 apr 2020 01:47

Re: Duitse hoogspanningsmasten

Bericht door Toliman » 18 sep 2023 23:01

The same line a few kilometres northwards west of Elpersheim. Until 2022 the 110 kV-circuits on the lowest crossbar ended at the branch pylon in the background and run from there in direction of Bad Mergentheim. In 2022 the lowest crossbar was installed on the pylons in front of the branch tower including two 110 kV-circuits. At the same time the two garland-like communication cables on the pinnacle were replaced by a single one integrated in the ground conductor. It is planned to replace the 110 kV-circuit on the upmost crossbars by a 380 kV-circuit in near future.
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Toliman
380 kV
Berichten: 605
Lid geworden op: 28 apr 2020 01:47

Re: Duitse hoogspanningsmasten

Bericht door Toliman » 18 sep 2023 23:15

A bit further northward this powerline crosses Tauber valley. Until 2022 the shown pylons, which were built in 1980 had only the two upmost crossbars with a single 380 kV and a single 110 kV circuit. However the pinnacles of these pylons carried until then two garland-like communication cables, one on the ground conductor and one on an auxiliary rope just below it (see pictures https://upload.wikimedia.org/wikipedia/ ... 032017.png and https://upload.wikimedia.org/wikipedia/ ... 032017.png).
In 2022 both communication cables were replaced by a ground conductor with integrated communication cable and the lowest crossbars with two 110 lV-circuits were installed on these towers.
In near future the 110 kV-circuits on the middle and the top crossbar will be replaced by a 380 kV-circuit.
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