Kita-Iwaki powerline
| Kita-Iwaki Powerline | |
|---|---|
| Location | |
| Country | Japan |
| Coordinates | Lua error in package.lua at line 80: module 'strict' not found. Lua error in package.lua at line 80: module 'strict' not found. Lua error in package.lua at line 80: module 'strict' not found. Lua error in package.lua at line 80: module 'strict' not found. Lua error in package.lua at line 80: module 'strict' not found. Lua error in package.lua at line 80: module 'strict' not found. |
| From | Minami-Iwaki switch |
| To | Higashi-Yamanashi substation |
| Construction information | |
| Commissioned | 1999 |
| Technical information | |
| Total length | Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value). |
| AC Voltage | 500 kV |
| Number of circuits | 2 |
The Kita-Iwaki Powerline is the largest double-circuit powerline for three-phase electric power in the world. Built in 1999, it runs from Minami-Iwaki switch (Tamura, Fukushima) to Higashi-Yamanashi substation (Ōtsuki, Yamanashi) and has 2 circuits, which are operated at present with 500 kV, but can be switched over to 1100 kV if necessary equipment is installed. The conductors of the lines consist of 8*31.5 mm ACSR ropes providing for a total current capacity of 4000 Amperes. The line is supported by lattice towers with a typical height of 108 meters. These have three crossbars of spanning 31, 32 and 33 meters.
There are two such lines: the first one is 190 kilometers long and starts at Kashiwazaki-Kariwa Nuclear Power Plant and runs over Nishi-Gunma switch to Higashi-Yamanashi substation. It was built in 1993. The second 240 kilometers long line, which was built in 1999 starts at Nishi-Gunma substation and runs over Higashi-Gunma substation to Minami-Iwaki switch, whereby it passes close to Shin-Imaichi switch, which is not connected to the line.
Sites
| Substation/switch | Coordinates |
|---|---|
| Higashi-Yamanashi | Lua error in package.lua at line 80: module 'strict' not found. |
| Higashi-Gunma | Lua error in package.lua at line 80: module 'strict' not found. |
| Kashiwazaki-Kariwa | Lua error in package.lua at line 80: module 'strict' not found. |
| Minami-Iwaki | Lua error in package.lua at line 80: module 'strict' not found. |
| Nishi-Gunma | Lua error in package.lua at line 80: module 'strict' not found. |
| Shin-Imaichi | Lua error in package.lua at line 80: module 'strict' not found. |
Source
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