List of installations for 15kV AC railway electrification in Sweden

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Electric railways in Sweden are powered from a single-phase AC supply of 15 kV at 16 ⅔ Hz, as used in Germany, Austria and Switzerland. Unlike these countries, the 132 kV traction current grid covers only part of the country, approximately north of Stockholm. This grid is fed by frequency converters and has no generation nor transmission lines from Norway, which uses the same traction current system. Formerly, the Porjus Hydroelectric Power Station provided electric power to the traction network. In the future the Älvkarleby Hydroelectric Power Station may be connected to the traction network, as this would increase stability of the power grid of the railway system. Separate from the 132 kV grid is a 30 kV line connection between Mon and Varp substation north of Gothenburg.

Also the overhead wire system has some differences. It is common, that the pylons for the overhead wire also carry a three phase AC system. In order to reduce counts of substations, the voltage at the substations for the overhead wire is 32 kV at some lines (AT-System). However trains require 16 kV and therefore auto transformers are used, which have a central connection connected with the grounded railway, while the other connections are connected to the 32 kV output. The voltage between this central connection to the phase is 16 kV. The other pole to ground is also 16 kV, but with opposite polarity and runs along the track on the overhead wires until separation section. Other lines are fed directly with 16 kV from the substations. However differential transformers are used for feeding, in order to eliminate jamming signals.

Sites[edit]

Decentralized Converter Stations[edit]

Converter Stations only feeding power into overhead wire.

Place County Technology Power Year of inauguration Coordinates
Alingsås Älvsborg Rotary Converter, Static Inverter 57°55′37″N 12°30′39″E / 57.92694°N 12.51083°E / 57.92694; 12.51083 (Alingsas Railway Converter Station)
Alvesta Kronoberg Rotary Converter 56°52′58″N 14°32′29″E / 56.88278°N 14.54139°E / 56.88278; 14.54139 (Alvesta Railway Converter Station)
Älvsjö Stockholm Static Inverter 59°17′25″N 18°01′19″E / 59.29028°N 18.02194°E / 59.29028; 18.02194 (Alvsjön Railway Converter Station)
Åstorp Kristianstad Static Inverter 56°07′33″N 12°56′37″E / 56.12583°N 12.94361°E / 56.12583; 12.94361 (Astorp Railway Converter Station)
Duved Jämtland Rotary Converter 63°23′23″N 12°54′19″E / 63.38972°N 12.90528°E / 63.38972; 12.90528 (Duved Railway Converter Station)
Eksund Östergötland Static Inverter 58°35′13″N 16°05′45″E / 58.58694°N 16.09583°E / 58.58694; 16.09583 (Eksund Railway Converter Station)
Eldsberga Halland Static Inverter 56°35′29″N 12°59′55″E / 56.59139°N 12.99861°E / 56.59139; 12.99861 (Eldsberga Railway Converter Station)
Emmaboda Kalmar Rotary Converter 56°37′56″N 15°30′58″E / 56.63222°N 15.51611°E / 56.63222; 15.51611 (Emmaboda Railway Converter Station)
Eskilstuna Södermanland Static Inverter 59°22′41″N 16°29′13″E / 59.37806°N 16.48694°E / 59.37806; 16.48694 (Eskilstuna Railway Converter Station)
Falköping Skaraborg Rotary Converter 58°10′03″N 13°32′16″E / 58.16750°N 13.53778°E / 58.16750; 13.53778 (Falköping Railway Converter Station)
Gällivare Norrbotten Rotary Converter 67°08′34″N 20°38′00″E / 67.14278°N 20.63333°E / 67.14278; 20.63333 (Gällivare Railway Converter Station)
Hässleholm Kristianstad Rotary Converter, Static Inverter 56°10′39″N 13°46′33″E / 56.17750°N 13.77583°E / 56.17750; 13.77583 (Hässleholm Railway Converter Station)
Jakobshyttan Östergötland Rotary Converter 58°47′41″N 15°09′46″E / 58.79472°N 15.16278°E / 58.79472; 15.16278 (Jakobshyttan Railway Converter Station)
Järna Stockholm Static Inverter 59°03′57″N 17°31′36″E / 59.06583°N 17.52667°E / 59.06583; 17.52667 (Järna Railway Converter Station)
Kil Värmland Rotary Converter 59°30′07″N 13°20′29″E / 59.50194°N 13.34139°E / 59.50194; 13.34139 (Kil Railway Converter Station)
Kiruna Norrbotten Rotary Converter 67°50′29″N 20°13′29″E / 67.84139°N 20.22472°E / 67.84139; 20.22472 (Kiruna Railway Converter Station)
Kristinehamn Värmland Rotary Converter  ?
Malmö Malmöhus Static Inverter 55°36′34″N 13°01′30″E / 55.60944°N 13.02500°E / 55.60944; 13.02500 (Malmö Railway Converter Station)
Mellerud Älvsborg Rotary Converter 58°41′48″N 12°25′28″E / 58.69667°N 12.42444°E / 58.69667; 12.42444 (Mellerud Railway Converter Station)
Mjölby Östergötland Rotary Converter 58°19′56″N 15°08′50″E / 58.33222°N 15.14722°E / 58.33222; 15.14722 (Mjölby Railway Converter Station)
Moholm Skaraborg Rotary Converter, Static Inverter 58°36′45″N 14°02′30″E / 58.61250°N 14.04167°E / 58.61250; 14.04167 (Moholm Railway Converter Station)
Mora Dalarna Rotary Converter 61°00′07″N 14°34′50″E / 61.00194°N 14.58056°E / 61.00194; 14.58056 (Mora Railway Converter Station)
Murjek Norrbotten Rotary Converter 66°28′04″N 20°53′02″E / 66.46778°N 20.88389°E / 66.46778; 20.88389 (Murjek Railway Converter Station)
Nässjö Jönköping Static Inverter 57°39′40″N 14°40′15″E / 57.66111°N 14.67083°E / 57.66111; 14.67083 (Nässjö Railway Converter Station)
Nyköping Södermanland Rotary Converter 58°45′29″N 16°58′20″E / 58.75806°N 16.97222°E / 58.75806; 16.97222 (Nyköping Railway Converter Station)
Olskroken Göteborgs och Bohus Static Inverter 57°43′23″N 12°00′17″E / 57.72306°N 12.00472°E / 57.72306; 12.00472 (Olskrokan Railway Converter Station)
Ösmo Stockholm Rotary Converter 58°58′31″N 17°53′57″E / 58.97528°N 17.89917°E / 58.97528; 17.89917 (Ösmo Railway Converter Station)
Östersund Jämtland Rotary Converter 63°09′28″N 14°39′50″E / 63.15778°N 14.66389°E / 63.15778; 14.66389 (Östersund Railway Converter Station)
Ottebol Värmland Rotary Converter 59°41′50″N 12°28′08″E / 59.69722°N 12.46889°E / 59.69722; 12.46889 (Ottebol Railway Converter Station)
Ramvik Västernorrland Rotary Converter  ?
Sjömarken Älvsborg Rotary Converter 57°42′44″N 12°51′36″E / 57.71222°N 12.86000°E / 57.71222; 12.86000 (Sjömarken Railway Converter Station)
Sköldinge Södermanland Rotary Converter 59°01′58″N 16°29′00″E / 59.03278°N 16.48333°E / 59.03278; 16.48333 (Sköldinge Railway Converter Station)
Stenbacken Norrbotten Rotary Converter 68°15′00″N 19°30′01″E / 68.25000°N 19.50028°E / 68.25000; 19.50028 (Stenbacken Railway Converter Station)
Tornehamn Norrbotten Rotary Converter 68°26′03″N 18°35′42″E / 68.43417°N 18.59500°E / 68.43417; 18.59500 (Tornehamn Railway Converter Station)
Uddevalla Västra Götaland Rotary Converter  ?
Varberg Halland Rotary Converter 57°09′07″N 12°16′54″E / 57.15194°N 12.28167°E / 57.15194; 12.28167 (Varberg Railway Converter Station?)?
Västerås Västmanland Static Inverter 59°38′52″N 16°34′57″E / 59.64778°N 16.58250°E / 59.64778; 16.58250 (Västeras Railway Converter Station)
Ystad Skåne Static Inverter  ?

Centralized Converter Stations[edit]

Converter Stations, which also feed power into 132 kV single phase AC grid.

Place County Technology Power Year of inauguration Coordinates
Änge Västernorrland Static Inverter 62°31′22″N 15°40′39″E / 62.52278°N 15.67750°E / 62.52278; 15.67750 (Änge Converter Station)
Baluträsk Västerbotten Static Inverter 64°47′1″N 20°2′31″E / 64.78361°N 20.04194°E / 64.78361; 20.04194 (Balusträsk Converter Station)
Borlänge Dalarna Static Inverter 60°28′0″N 15°26′7″E / 60.46667°N 15.43528°E / 60.46667; 15.43528 (Borlänge Converter Station)
Boden Norrbotten Static Inverter/ Rotary Converter 65°46′57″N 21°44′39″E / 65.78250°N 21.74417°E / 65.78250; 21.74417 (Boden Converter Station)
Häggvik Stockholm Rotary Converter 59°26′53″N 17°55′32″E / 59.44806°N 17.92556°E / 59.44806; 17.92556 (Häggvik Converter Station)
Mellansel Västernorrland Static Inverter 63°26′1″N 18°20′43″E / 63.43361°N 18.34528°E / 63.43361; 18.34528 (Mellansel Converter Station)
Ockelbo Gävleborg Static Inverter 60°56′28″N 16°42′29″E / 60.94111°N 16.70806°E / 60.94111; 16.70806 (Ockelbo Converter Station)

Substations[edit]

Substations fed from 132 kV single phase AC grid.

Place County Coordinates
Bäckhaga Örebro 59°45′55″N 15°7′14″E / 59.76528°N 15.12056°E / 59.76528; 15.12056 (Bäckhaga Substation)
Bispgården Jämtland 63°1′56″N 16°33′57″E / 63.03222°N 16.56583°E / 63.03222; 16.56583 (Bispgarden Substation)
Dalstorp Västerbotten 64°26′5″N 19°42′54″E / 64.43472°N 19.71500°E / 64.43472; 19.71500 (Dalstorp Substation)
Dockmyr Jämtland 62°57′23″N 15°45′0″E / 62.95639°N 15.75000°E / 62.95639; 15.75000 (Dockmyr Substation)
Frövi Örebro 59°28′18″N 15°21′19″E / 59.47167°N 15.35528°E / 59.47167; 15.35528 (Frövi Substation)
Gävle Gävleborg 60°39′11″N 17°10′48″E / 60.65306°N 17.18000°E / 60.65306; 17.18000 (Gävle Substation)
Gnarp Gävleborg 62°1′38″N 17°15′8″E / 62.02722°N 17.25222°E / 62.02722; 17.25222 (Gnarp Substation)
Habo Uppsala 59°35′9″N 17°29′1″E / 59.58583°N 17.48361°E / 59.58583; 17.48361 (Habo Substation)
Holmsjön Västernorrland 63°23′8″N 17°41′18″E / 63.38556°N 17.68833°E / 63.38556; 17.68833 (Holmsjön Substation)
Hudiksvall Gävleborg 61°42′3″N 17°5′37″E / 61.70083°N 17.09361°E / 61.70083; 17.09361 (Hudiksvall Substation)
Jönssen Gävleborg 61°16′12″N 16°30′18″E / 61.27000°N 16.50500°E / 61.27000; 16.50500 (Jönssen Substation)
Jörn Västerbotten 65°3′53″N 20°2′26″E / 65.06472°N 20.04056°E / 65.06472; 20.04056 (Jörn Substation)
Kullsbjörken Dalarna 60°50′00″N 15°4′59″E / 60.83333°N 15.08306°E / 60.83333; 15.08306 (Kullsbjörken Substation)
Ljusdal Gävleborg 61°47′55″N 16°9′44″E / 61.79861°N 16.16222°E / 61.79861; 16.16222 (Ljusdal Substation)
Ludvika Dalarna 60°9′9″N 15°14′57″E / 60.15250°N 15.24917°E / 60.15250; 15.24917 (Ludvika Substation)
Längträsk Norrbotten 65°22′26″N 20°20′3″E / 65.37389°N 20.33417°E / 65.37389; 20.33417 (Längträsk Substation)
Norrfors Västerbotten 63°46′5″N 19°0′27″E / 63.76806°N 19.00750°E / 63.76806; 19.00750 (Norrfors Substation)
Odensala Stockholm 59°40′23″N 17°50′5″E / 59.67306°N 17.83472°E / 59.67306; 17.83472 (Odensala Substation)
Ramsjö Gävleborg 62°11′19″N 15°40′14″E / 62.18861°N 15.67056°E / 62.18861; 15.67056 (Ramsjö Substation)
Ryggen Dalarna 60°35′18″N 15°49′21″E / 60.58833°N 15.82250°E / 60.58833; 15.82250 (Ryggen Substation)
Storvik Gävleborg 60°34′39″N 16°29′1″E / 60.57750°N 16.48361°E / 60.57750; 16.48361 (Storvik Substation)
Sundsvall Västernorrland 62°24′0″N 17°14′29″E / 62.40000°N 17.24139°E / 62.40000; 17.24139 (Sundsvall Substation)
Söderhamn Gävleborg 61°18′6″N 17°1′30″E / 61.30167°N 17.02500°E / 61.30167; 17.02500 (Söderhamn Substation)
Tierp Uppsala 60°19′30″N 17°32′6″E / 60.32500°N 17.53500°E / 60.32500; 17.53500 (Tierp Substation)
Uppsala Uppsala 59°51′13″N 17°39′27″E / 59.85361°N 17.65750°E / 59.85361; 17.65750 (Uppsala Substation)
Viskan Västernorrland 62°25′52″N 16°28′2″E / 62.43111°N 16.46722°E / 62.43111; 16.46722 (Viskan Substation)
Vännäs Västerbotten 63°55′9″N 19°44′48″E / 63.91917°N 19.74667°E / 63.91917; 19.74667 (Vännäs Substation)
Älvsbyn Norrbotten 65°40′28″N 20°58′37″E / 65.67444°N 20.97694°E / 65.67444; 20.97694 (Älvsbyn Substation)
Österraden Västernorrland 63°13′15″N 17°11′47″E / 63.22083°N 17.19639°E / 63.22083; 17.19639 (Österraden Substation)

30 kV-line Mon-Varp[edit]

Endpoints of 30 kV-interconnection Mon-Varp.

Place County Coordinates
Mon Älvsborg 58°54′34″N 11°45′15″E / 58.90944°N 11.75417°E / 58.90944; 11.75417 (Mon Substation)
Varp Göteborgs och Bohus 58°53′16″N 11°17′25″E / 58.88778°N 11.29028°E / 58.88778; 11.29028 (Varp Substation)

Other remarkable points[edit]

Crossing-point of traction current power line and HVDC Fenno-Skan 2 (only crossing point of HVDC overhead line and single-phase AC overhead powerline in the world): 60°28′45.2″N 17°14′11″E / 60.479222°N 17.23639°E / 60.479222; 17.23639 (Traction current power line Tierp-Gävle crosses HVDC Fenno-Skan 2).

External links[edit]