57 relations: AC-to-AC converter, Alternating current, Amtrak's 25 Hz traction power system, Øresund Bridge, České dráhy, Baden-Württemberg, Balanced line, Bavaria, Brandenburg, Bremen, Commutator (electric), Deutsche Bahn, Eddy current, Electric arc, Electric generator, Electric power distribution, Electrical reactance, Geisenbrunn, Gotthard Base Tunnel, Hertz, High voltage, Induction motor, Joule heating, Lünen Power Station, List of railway electrification systems, Mecklenburg-Vorpommern, Motor–generator, Neckarwestheim Nuclear Power Plant, North Rhine-Westphalia, Oslo Metro, Overhead line, Power station, Rail transport in Austria, Rail transport in Germany, Rail transport in Norway, Rail transport in Sweden, Rail transport in Switzerland, Railway electrification system, Revolutions per minute, Roslagsbanan, Rotary converter, Saltsjöbanan, Saxony-Anhalt, Seebach-Wettingen railway electrification trial, Single-phase generator, Split-phase electric power, Standard electric locomotive, Stockholm metro, Thamshavn Line, Traction motor, ..., Traction power network, Train protection system, Transformer, Universal motor, Walchensee Hydroelectric Power Station, War of the currents, 25 kV AC railway electrification. Expand index (7 more) » « Shrink index
A solid-state AC-to-AC converter converts an AC waveform to another AC waveform, where the output voltage and frequency can be set arbitrarily.
Alternating current (AC) is an electric current which periodically reverses direction, in contrast to direct current (DC) which flows only in one direction.
Amtrak's 25 Hz traction power system is a traction power grid operated by Amtrak along the southern portion of its Northeast Corridor (NEC): the 225 route miles (362 km) between Washington, D.C. and New York City and the 104 route miles (167 km) between Philadelphia and Harrisburg, Pennsylvania.
The Øresund or Öresund Bridge (Øresundsbroen,; Öresundsbron,; hybrid name: Øresundsbron) is a combined railway and motorway bridge across the Øresund strait between Sweden and Denmark.
České dráhy, often shortened to ČD (English: Czech Railways), is the main railway operator in the Czech Republic providing regional and long-distance services.
Baden-Württemberg is a state in southwest Germany, east of the Rhine, which forms the border with France.
In telecommunications and professional audio, a balanced line or balanced signal pair is a transmission line consisting of two conductors of the same type, each of which have equal impedances along their lengths and equal impedances to ground and to other circuits.
Bavaria (Bavarian and Bayern), officially the Free State of Bavaria (Freistaat Bayern), is a landlocked federal state of Germany, occupying its southeastern corner.
Brandenburg (Brannenborg, Lower Sorbian: Bramborska, Braniborsko) is one of the sixteen federated states of Germany.
The City Municipality of Bremen (Stadtgemeinde Bremen) is a Hanseatic city in northwestern Germany, which belongs to the Free Hanseatic City of Bremen (also called just "Bremen" for short), a federal state of Germany.
A commutator is a rotary electrical switch in certain types of electric motors and electrical generators that periodically reverses the current direction between the rotor and the external circuit.
Deutsche Bahn AG (abbreviated as DB, DB AG or DBAG) is a German railway company.
Eddy currents (also called Foucault currents) are loops of electrical current induced within conductors by a changing magnetic field in the conductor due to Faraday's law of induction.
An electric arc, or arc discharge, is an electrical breakdown of a gas that produces an ongoing electrical discharge.
In electricity generation, a generator is a device that converts motive power (mechanical energy) into electrical power for use in an external circuit.
Electric power distribution is the final stage in the delivery of electric power; it carries electricity from the transmission system to individual consumers.
In electrical and electronic systems, reactance is the opposition of a circuit element to a change in current or voltage, due to that element's inductance or capacitance.
Geisenbrunn is a village in Bavaria, Germany and is located about 22 km southwest of Munich (centre).
The Gotthard Base Tunnel (GBT; Gotthard-Basistunnel, Galleria di base del San Gottardo, Tunnel da basa dal Son Gottard) is a railway tunnel through the Alps in Switzerland.
The hertz (symbol: Hz) is the derived unit of frequency in the International System of Units (SI) and is defined as one cycle per second.
The term high voltage usually means electrical energy at voltages high enough to inflict harm on living organisms.
An induction motor or asynchronous motor is an AC electric motor in which the electric current in the rotor needed to produce torque is obtained by electromagnetic induction from the magnetic field of the stator winding.
Joule heating, also known as Ohmic heating and resistive heating, is the process by which the passage of an electric current through a conductor produces heat.
Lünen Power Station is a coal-fired power station in Germany.
This is a list of the power supply systems that are, or have been, used for tramway and railway electrification systems.
Mecklenburg-Vorpommern (often Mecklenburg-West Pomerania in English and commonly shortened to "Meck-Pomm" or even "McPom" or "M-V" in German) is a federal state in northern Germany.
A motor–generator (an M–G set) is a device for converting electrical power to another form.
Neckarwestheim Nuclear Power Station is a nuclear power plant in Neckarwestheim, Germany, sometimes abbreviated GKN (for Gemeinschaftskraftwerk Neckar), operated by EnBW Kernkraft GmbH.
North Rhine-Westphalia (Nordrhein-Westfalen,, commonly shortened to NRW) is the most populous state of Germany, with a population of approximately 18 million, and the fourth largest by area.
The Oslo Metro (Oslo T-bane or Oslo Tunnelbane or simply T-banen.) is the rapid transit system of Oslo, Norway, operated by Sporveien T-banen on contract from the transit authority Ruter.
An overhead line or overhead wire is used to transmit electrical energy to trams, trolleybuses or trains.
A power station, also referred to as a power plant or powerhouse and sometimes generating station or generating plant, is an industrial facility for the generation of electric power.
Rail transport in Austria is mainly owned by the national rail company ÖBB.
, Germany had a railway network of 33,331 km of which 19,983 km were electrified and 18,201 km were double track.
The Norwegian railway system comprises 4,087 km of (standard gauge) track of which 2,622 km is electrified and 242 km double track.
Rail transport in Sweden uses a network of 13,000 km of track, the 21st largest in the world.
The Swiss rail network is noteworthy for its density, its coordination between services, its integration with other modes of transport, timeliness and a thriving domestic and trans-alp freight system.
A railway electrification system supplies electric power to railway trains and trams without an on-board prime mover or local fuel supply.
Revolutions per minute (abbreviated rpm, RPM, rev/min, r/min) is the number of turns in one minute.
Roslagsbanan is a narrow gauge urban railway system in Roslagen, Stockholm County, Sweden. Its combined route length is and there are 38 stations. It is built to the Swedish three foot gauge. The line starts in Stockholm at Stockholm East Station (Stockholms östra station, Stockholm Ö). It goes north and splits into three branch lines at the junction stations Djursholms Ösby and Roslags Näsby; the three branches terminate at Näsbypark, Österskär and Kårsta. It is double track between Stockholm and Viggbyholm and between Rydbo and Åkersberga. The rest is single track, but the line to Vallentuna was being doubled in 2012 and Rydbo-Åkers Runö in 2013. There are passing loops at some stations on the single track sections: at Altorp, Hägernäs, Österskär, Visinge, Täby kyrkby, Ormsta, Lindholmen and Kårsta. Following a 2017 agreement between the Swedish state, Stockholm County, and the affected municipalities, the line will be extended to the centrally located underground hub T-Centralen, with construction to begin in approximately 2022.
A rotary converter is a type of electrical machine which acts as a mechanical rectifier, inverter or frequency converter.
Saltsjöbanan is an electrified suburban rail system between Stockholm and Saltsjöbaden in Nacka, Sweden.
Saxony-Anhalt (Sachsen-Anhalt,, official: Land Sachsen-Anhalt) is a landlocked federal state of Germany surrounded by the federal states of Lower Saxony, Brandenburg, Saxony and Thuringia.
The Seebach-Wettingen railway electrification trial (1905-1909) was an important milestone in the development of electric railways.
Single-phase generator (also known as single-phase alternator) is an alternating current electrical generator that produces a single, continuously alternating voltage.
A split-phase or single-phase three-wire system is a type of single-phase electric power distribution.
Einheits-Elektrolokomotive (translates as standard electric locomotive) is a German railroad term for the Class E10, Class E40, Class E41 and Class E50 locomotives that were commissioned after World War II by the Deutsche Bundesbahn of West Germany.
The Stockholm metro (Stockholms tunnelbana, literally: Stockholm's Tunnel Rail) is a metro system in Stockholm, Sweden.
A traction motor is an electric motor used for propulsion of a vehicle, such as an electric locomotive or electric roadway vehicle.
A traction network or traction power network is an electricity grid for the supply of electrified rail networks.
A train protection system is a railway technical installation to ensure safe operation in the event of human failure.
A transformer is a static electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.
The universal motor is a type of electric motor that can operate on either AC or DC power.
The Walchensee Power Plant (Walchenseekraftwerk) is a hydroelectric power station in Bavaria, Germany.
The war of the currents (sometimes called battle of the currents) was a series of events surrounding the introduction of competing electric power transmission systems in the late 1880s and early 1890s.
25 kV alternating current electrification is commonly used in railway electrification systems worldwide, especially for high-speed rail.