Get it on Google Play
New! Download Unionpedia on your Android™ device!
Faster access than browser!

Utility frequency

+ Save concept

The utility frequency, (power) line frequency (American English) or mains frequency (British English) is the nominal frequency of the oscillations of alternating current (AC) in an electric power grid transmitted from a power station to the end-user. [1]

112 relations: AEG, Alternating current, American English, Americas, Amtrak's 25 Hz traction power system, Analog television, Arc lamp, Asia, Austria, Automatic Generation Control, Brazil, British English, Brown, Boveri & Cie, Calcium carbide, Commutator (electric), Continuous wavelet transform, Coordinated Universal Time, Day, Demand response, Direct current, East Africa Protectorate, Edward Kimbark, Electric clock, Electric generator, Electric motor, Electric power transmission, Electrical grid, End user, Federal Energy Regulatory Commission, Fluorescent lamp, FNET, Frequency, Frequency changer, Ganz Works, General Electric, Germany, Hammond organ, Hertz, Higashi-Shimizu Frequency Converter, High-voltage direct current, Hour, HVDC converter station, Hydroelectricity, IBM, Incandescent light bulb, Inductance, Induction motor, International Atomic Time, International Electrotechnical Exhibition, Laurens Hammond, ..., Magnetostriction, Mainframe computer, Mains electricity, Mains electricity by country, Mains hum, Mariazell Railway, Mechanicville Hydroelectric Plant, Mercury-arc valve, Mercury-vapor lamp, Mexico, MIL-STD-704, Mill Creek, California, Minami-Fukumitsu, Minute, Monopoly, Nathan Cohn, National Grid (Great Britain), Network analyzer (AC power), Niagara Falls, North American Electric Reliability Corporation, North Eastern Electric Supply Company, Norway, Ontario, Phase (waves), Photovoltaic power station, Power station, Power supply unit (computer), Power transmission, Protective relay, Quebec, Railway electrification system, Rankine Generating Station, Rectifier, Rotary converter, Second, SEPTA's 25 Hz traction power system, Shin Shinano, Sir Adam Beck Hydroelectric Generating Stations, Southern California Edison, Steam engine, Steam turbine, Sweden, Switzerland, Synchronous grid of Continental Europe, Synchronous motor, Telechron, Television, Thomas P. Hughes, Traction power network, Traction powerstation, Transformer, Turbine, United Kingdom, United States, University of Tennessee, Urban legend, VDE e.V., Voltage, Water turbine, Westinghouse Electric Corporation, World War II, 15 kV AC railway electrification. Expand index (62 more) »


Allgemeine Elektricitäts-Gesellschaft AG (AEG) (German: "General electricity company") was a German producer of electrical equipment founded as the Deutsche Edison-Gesellschaft für angewandte Elektricität in 1883 in Berlin by Emil Rathenau.

New!!: Utility frequency and AEG · See more »

Alternating current

Alternating current (AC) is an electric current which periodically reverses direction, in contrast to direct current (DC) which flows only in one direction.

New!!: Utility frequency and Alternating current · See more »

American English

American English (AmE, AE, AmEng, USEng, en-US), sometimes called United States English or U.S. English, is the set of varieties of the English language native to the United States.

New!!: Utility frequency and American English · See more »


The Americas (also collectively called America)"America." The Oxford Companion to the English Language.

New!!: Utility frequency and Americas · See more »

Amtrak's 25 Hz traction power system

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.

New!!: Utility frequency and Amtrak's 25 Hz traction power system · See more »

Analog television

Analog television or analogue television is the original television technology that uses analog signals to transmit video and audio.

New!!: Utility frequency and Analog television · See more »

Arc lamp

An arc lamp or arc light is a lamp that produces light by an electric arc (also called a voltaic arc).

New!!: Utility frequency and Arc lamp · See more »


Asia is Earth's largest and most populous continent, located primarily in the Eastern and Northern Hemispheres.

New!!: Utility frequency and Asia · See more »


Austria (Österreich), officially the Republic of Austria (Republik Österreich), is a federal republic and a landlocked country of over 8.8 million people in Central Europe.

New!!: Utility frequency and Austria · See more »

Automatic Generation Control

In an electric power system, automatic generation control (AGC) is a system for adjusting the power output of multiple generators at different power plants, in response to changes in the load.

New!!: Utility frequency and Automatic Generation Control · See more »


Brazil (Brasil), officially the Federative Republic of Brazil (República Federativa do Brasil), is the largest country in both South America and Latin America.

New!!: Utility frequency and Brazil · See more »

British English

British English is the standard dialect of English language as spoken and written in the United Kingdom.

New!!: Utility frequency and British English · See more »

Brown, Boveri & Cie

Brown, Boveri (BBC) was a Swiss group of electrical engineering companies.

New!!: Utility frequency and Brown, Boveri & Cie · See more »

Calcium carbide

Calcium carbide is a chemical compound with the chemical formula of CaC2.

New!!: Utility frequency and Calcium carbide · See more »

Commutator (electric)

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.

New!!: Utility frequency and Commutator (electric) · See more »

Continuous wavelet transform

In mathematics, a continuous wavelet transform (CWT) is used to divide a continuous-time function into wavelets.

New!!: Utility frequency and Continuous wavelet transform · See more »

Coordinated Universal Time

No description.

New!!: Utility frequency and Coordinated Universal Time · See more »


A day, a unit of time, is approximately the period of time during which the Earth completes one rotation with respect to the Sun (solar day).

New!!: Utility frequency and Day · See more »

Demand response

Demand response is a change in the power consumption of an electric utility customer to better match the demand for power with the supply.

New!!: Utility frequency and Demand response · See more »

Direct current

Direct current (DC) is the unidirectional flow of electric charge.

New!!: Utility frequency and Direct current · See more »

East Africa Protectorate

East Africa Protectorate (also known as British East Africa) was an area in the African Great Lakes occupying roughly the same terrain as present-day Kenya (approximately) from the Indian Ocean inland to Uganda and the Great Rift Valley.

New!!: Utility frequency and East Africa Protectorate · See more »

Edward Kimbark

Edward Wilson Kimbark (September 21, 1902- February 7, 1982) was a noted power engineer and professor of Electrical Engineering at Northwestern University.

New!!: Utility frequency and Edward Kimbark · See more »

Electric clock

An electric clock is a clock that is powered by electricity, as opposed to a mechanical clock which is powered by a hanging weight or a mainspring.

New!!: Utility frequency and Electric clock · See more »

Electric generator

In electricity generation, a generator is a device that converts motive power (mechanical energy) into electrical power for use in an external circuit.

New!!: Utility frequency and Electric generator · See more »

Electric motor

An electric motor is an electrical machine that converts electrical energy into mechanical energy.

New!!: Utility frequency and Electric motor · See more »

Electric power transmission

Electric power transmission is the bulk movement of electrical energy from a generating site, such as a power plant, to an electrical substation.

New!!: Utility frequency and Electric power transmission · See more »

Electrical grid

An electrical grid is an interconnected network for delivering electricity from producers to consumers.

New!!: Utility frequency and Electrical grid · See more »

End user

In product development, an end user (sometimes end-user) is a person who ultimately uses or is intended to ultimately use a product.

New!!: Utility frequency and End user · See more »

Federal Energy Regulatory Commission

The Federal Energy Regulatory Commission (FERC) is the United States federal agency that regulates the transmission and wholesale sale of electricity and natural gas in interstate commerce and regulates the transportation of oil by pipeline in interstate commerce.

New!!: Utility frequency and Federal Energy Regulatory Commission · See more »

Fluorescent lamp

A fluorescent lamp, or fluorescent tube, is a low-pressure mercury-vapor gas-discharge lamp that uses fluorescence to produce visible light.

New!!: Utility frequency and Fluorescent lamp · See more »


FNET (Frequency monitoring Network; a.k.a. FNET/GridEye, GridEye) is a wide-area power system frequency measurement system.

New!!: Utility frequency and FNET · See more »


Frequency is the number of occurrences of a repeating event per unit of time.

New!!: Utility frequency and Frequency · See more »

Frequency changer

A frequency changer or frequency converter is an electronic or electromechanical device that converts alternating current (AC) of one frequency to alternating current of another frequency.

New!!: Utility frequency and Frequency changer · See more »

Ganz Works

The Ganz Works or Ganz (or Ganz Művek, Ganz enterprises or Ganz companies) was a group of companies operating between 1845 and 1949 in Budapest, Hungary.

New!!: Utility frequency and Ganz Works · See more »

General Electric

General Electric Company (GE) is an American multinational conglomerate incorporated in New York and headquartered in Boston, Massachusetts.

New!!: Utility frequency and General Electric · See more »


Germany (Deutschland), officially the Federal Republic of Germany (Bundesrepublik Deutschland), is a sovereign state in central-western Europe.

New!!: Utility frequency and Germany · See more »

Hammond organ

The Hammond organ is an electric organ, invented by Laurens Hammond and John M. Hanert and first manufactured in 1935.

New!!: Utility frequency and Hammond organ · See more »


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.

New!!: Utility frequency and Hertz · See more »

Higashi-Shimizu Frequency Converter

Higashi-Shimizu Frequency Converter is the third facility in Japan for interconnecting the power grid of Eastern Japan, which is operated with 50 hertz to that of Western Japan, which is operated with 60 hertz.

New!!: Utility frequency and Higashi-Shimizu Frequency Converter · See more »

High-voltage direct current

A high-voltage, direct current (HVDC) electric power transmission system (also called a power superhighway or an electrical superhighway) uses direct current for the bulk transmission of electrical power, in contrast with the more common alternating current (AC) systems.

New!!: Utility frequency and High-voltage direct current · See more »


An hour (symbol: h; also abbreviated hr.) is a unit of time conventionally reckoned as of a day and scientifically reckoned as 3,599–3,601 seconds, depending on conditions.

New!!: Utility frequency and Hour · See more »

HVDC converter station

An HVDC converter station (or simply converter station) is a specialised type of substation which forms the terminal equipment for a high-voltage direct current (HVDC) transmission line.

New!!: Utility frequency and HVDC converter station · See more »


Hydroelectricity is electricity produced from hydropower.

New!!: Utility frequency and Hydroelectricity · See more »


The International Business Machines Corporation (IBM) is an American multinational technology company headquartered in Armonk, New York, United States, with operations in over 170 countries.

New!!: Utility frequency and IBM · See more »

Incandescent light bulb

An incandescent light bulb, incandescent lamp or incandescent light globe is an electric light with a wire filament heated to such a high temperature that it glows with visible light (incandescence).

New!!: Utility frequency and Incandescent light bulb · See more »


In electromagnetism and electronics, inductance is the property of an electrical conductor by which a change in electric current through it induces an electromotive force (voltage) in the conductor.

New!!: Utility frequency and Inductance · See more »

Induction motor

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.

New!!: Utility frequency and Induction motor · See more »

International Atomic Time

International Atomic Time (TAI, from the French name temps atomique international) is a high-precision atomic coordinate time standard based on the notional passage of proper time on Earth's geoid.

New!!: Utility frequency and International Atomic Time · See more »

International Electrotechnical Exhibition

The 1891 International Electrotechnical Exhibition was held between 16 May and 19 October on the disused site of the three former "Westbahnhöfe" (Western Railway Stations) in Frankfurt am Main.

New!!: Utility frequency and International Electrotechnical Exhibition · See more »

Laurens Hammond

Laurens Hammond (January 11, 1895 – July 1, 1973), was an American engineer and inventor.

New!!: Utility frequency and Laurens Hammond · See more »


Magnetostriction (cf. electrostriction) is a property of ferromagnetic materials that causes them to change their shape or dimensions during the process of magnetization.

New!!: Utility frequency and Magnetostriction · See more »

Mainframe computer

Mainframe computers (colloquially referred to as "big iron") are computers used primarily by large organizations for critical applications; bulk data processing, such as census, industry and consumer statistics, enterprise resource planning; and transaction processing.

New!!: Utility frequency and Mainframe computer · See more »

Mains electricity

Mains electricity (as it is known in the UK; US terms include grid power, wall power, and domestic power) is the general-purpose alternating-current (AC) electric power supply.

New!!: Utility frequency and Mains electricity · See more »

Mains electricity by country

Mains electricity by country includes a list of countries and territories, with the plugs, voltages and frequencies they commonly use for providing electrical power to appliances, equipment, and lighting typically found in homes and offices.

New!!: Utility frequency and Mains electricity by country · See more »

Mains hum

Mains hum, electric hum, or power line hum is a sound associated with alternating current at the frequency of the mains electricity.

New!!: Utility frequency and Mains hum · See more »

Mariazell Railway

The Mariazell Railway (Mariazellerbahn) is an electrically operated narrow-gauge railway (with a track gauge of) which connects the Lower Austrian capital of Sankt Pölten with the Styrian pilgrimage centre of Mariazell.

New!!: Utility frequency and Mariazell Railway · See more »

Mechanicville Hydroelectric Plant

Mechanicville Hydroelectric Plant is a national historic district located at Mechanicville in Saratoga County, New York.

New!!: Utility frequency and Mechanicville Hydroelectric Plant · See more »

Mercury-arc valve

A mercury-arc valve or mercury-vapor rectifier or (UK) mercury-arc rectifier is a type of electrical rectifier used for converting high-voltage or high-current alternating current (AC) into direct current (DC).

New!!: Utility frequency and Mercury-arc valve · See more »

Mercury-vapor lamp

A mercury-vapor lamp is a gas discharge lamp that uses an electric arc through vaporized mercury to produce light.

New!!: Utility frequency and Mercury-vapor lamp · See more »


Mexico (México; Mēxihco), officially called the United Mexican States (Estados Unidos Mexicanos) is a federal republic in the southern portion of North America.

New!!: Utility frequency and Mexico · See more »


MIL-STD-704 Aircraft Electrical Power Characteristics is a United States Military Standard that defines a standardized power interface between a military aircraft and its equipment and carriage stores, covering such topics as voltage, frequency, phase, power factor, ripple, maximum current, electrical noise and abnormal conditions (overvoltage and undervoltage), for both AC and DC systems.

New!!: Utility frequency and MIL-STD-704 · See more »

Mill Creek, California

Mill Creek (formerly, Mill Creek Homesite) is a small town in Tehama County, California most noted for its close location to Lassen Peak.

New!!: Utility frequency and Mill Creek, California · See more »


Minami-Fukumitsu is the name given to an HVDC back-to-back station for the interconnection of the power grids of West and Eastern Japan.

New!!: Utility frequency and Minami-Fukumitsu · See more »


The minute is a unit of time or angle.

New!!: Utility frequency and Minute · See more »


A monopoly (from Greek μόνος mónos and πωλεῖν pōleîn) exists when a specific person or enterprise is the only supplier of a particular commodity.

New!!: Utility frequency and Monopoly · See more »

Nathan Cohn

He received the B.S. degree in electrical engineering from the MIT in 1927 where he was a member of the Pi Lambda Phi fraternity.

New!!: Utility frequency and Nathan Cohn · See more »

National Grid (Great Britain)

The National Grid is the high-voltage electric power transmission network in Great Britain, connecting power stations and major substations and ensuring that electricity generated anywhere in GB (England, Scotland and Wales) can be used to satisfy demand elsewhere.

New!!: Utility frequency and National Grid (Great Britain) · See more »

Network analyzer (AC power)

From 1929 to the late 1960s, large alternating current power systems were modelled and studied on AC network analyzers (also called alternating current network calculators or AC calculating boards) or transient network analyzers.

New!!: Utility frequency and Network analyzer (AC power) · See more »

Niagara Falls

Niagara Falls is the collective name for three waterfalls that straddle the international border between the Canadian province of Ontario and the American state of New York.

New!!: Utility frequency and Niagara Falls · See more »

North American Electric Reliability Corporation

The North American Electric Reliability Corporation (NERC) is a nonprofit corporation based in Atlanta, Georgia, and formed on March 28, 2006, as the successor to the North American Electric Reliability Council (also known as NERC).

New!!: Utility frequency and North American Electric Reliability Corporation · See more »

North Eastern Electric Supply Company

The North Eastern Electric Supply Company (commonly abbreviated to NESCo) was responsible for the supply of electricity to a large amount of North East England, prior to the nationalisation of the British electricity industry with the Electricity Act 1947.

New!!: Utility frequency and North Eastern Electric Supply Company · See more »


Norway (Norwegian: (Bokmål) or (Nynorsk); Norga), officially the Kingdom of Norway, is a unitary sovereign state whose territory comprises the western portion of the Scandinavian Peninsula plus the remote island of Jan Mayen and the archipelago of Svalbard.

New!!: Utility frequency and Norway · See more »


Ontario is one of the 13 provinces and territories of Canada and is located in east-central Canada.

New!!: Utility frequency and Ontario · See more »

Phase (waves)

Phase is the position of a point in time (an instant) on a waveform cycle.

New!!: Utility frequency and Phase (waves) · See more »

Photovoltaic power station

A photovoltaic power station, also known as a solar park, is a large-scale photovoltaic system (PV system) designed for the supply of merchant power into the electricity grid.

New!!: Utility frequency and Photovoltaic power station · See more »

Power station

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.

New!!: Utility frequency and Power station · See more »

Power supply unit (computer)

A power supply unit (or PSU) converts mains AC to low-voltage regulated DC power for the internal components of a computer.

New!!: Utility frequency and Power supply unit (computer) · See more »

Power transmission

Power transmission is the movement of energy from its place of generation to a location where it is applied to perform useful work.

New!!: Utility frequency and Power transmission · See more »

Protective relay

In electrical engineering, a protective relay is a relay device designed to trip a circuit breaker when a fault is detected.

New!!: Utility frequency and Protective relay · See more »


Quebec (Québec)According to the Canadian government, Québec (with the acute accent) is the official name in French and Quebec (without the accent) is the province's official name in English; the name is.

New!!: Utility frequency and Quebec · See more »

Railway electrification system

A railway electrification system supplies electric power to railway trains and trams without an on-board prime mover or local fuel supply.

New!!: Utility frequency and Railway electrification system · See more »

Rankine Generating Station

The Rankine Generating Station is a former hydro-electric generating station along the Canadian side of the Niagara River in Niagara Falls, Ontario, slightly downstream from the older Toronto Power Generating Station.

New!!: Utility frequency and Rankine Generating Station · See more »


A rectifier is an electrical device that converts alternating current (AC), which periodically reverses direction, to direct current (DC), which flows in only one direction.

New!!: Utility frequency and Rectifier · See more »

Rotary converter

A rotary converter is a type of electrical machine which acts as a mechanical rectifier, inverter or frequency converter.

New!!: Utility frequency and Rotary converter · See more »


The second is the SI base unit of time, commonly understood and historically defined as 1/86,400 of a day – this factor derived from the division of the day first into 24 hours, then to 60 minutes and finally to 60 seconds each.

New!!: Utility frequency and Second · See more »

SEPTA's 25 Hz traction power system

SEPTA operates a 25 Hz traction power system in the vicinity of Philadelphia, Pennsylvania, that it inherited from the Reading Railroad.

New!!: Utility frequency and SEPTA's 25 Hz traction power system · See more »

Shin Shinano

is the designation of a back-to-back high-voltage direct current (HVDC) facility in Japan which forms one of four frequency converter stations that link Japan's western and eastern power grids.

New!!: Utility frequency and Shin Shinano · See more »

Sir Adam Beck Hydroelectric Generating Stations

Sir Adam Beck Hydroelectric Generating Stations are two hydroelectric generating stations in Niagara Falls, Ontario, Canada.

New!!: Utility frequency and Sir Adam Beck Hydroelectric Generating Stations · See more »

Southern California Edison

Southern California Edison (or SCE Corp), the largest subsidiary of Edison International, is the primary electricity supply company for much of Southern California, USA.

New!!: Utility frequency and Southern California Edison · See more »

Steam engine

A steam engine is a heat engine that performs mechanical work using steam as its working fluid.

New!!: Utility frequency and Steam engine · See more »

Steam turbine

A steam turbine is a device that extracts thermal energy from pressurized steam and uses it to do mechanical work on a rotating output shaft.

New!!: Utility frequency and Steam turbine · See more »


Sweden (Sverige), officially the Kingdom of Sweden (Swedish), is a Scandinavian country in Northern Europe.

New!!: Utility frequency and Sweden · See more »


Switzerland, officially the Swiss Confederation, is a sovereign state in Europe.

New!!: Utility frequency and Switzerland · See more »

Synchronous grid of Continental Europe

The synchronous grid of Continental Europe (also known as Continental Synchronous Area; formerly known as the UCTE grid) is the largest synchronous electrical grid (by connected power) in the world.

New!!: Utility frequency and Synchronous grid of Continental Europe · See more »

Synchronous motor

A synchronous electric motor is an AC motor in which, at steady state, the rotation of the shaft is synchronized with the frequency of the supply current; the rotation period is exactly equal to an integral number of AC cycles.

New!!: Utility frequency and Synchronous motor · See more »


Telechron is the name of a U.S. company that manufactured electric clocks between 1912 and 1992.

New!!: Utility frequency and Telechron · See more »


Television (TV) is a telecommunication medium used for transmitting moving images in monochrome (black and white), or in colour, and in two or three dimensions and sound.

New!!: Utility frequency and Television · See more »

Thomas P. Hughes

Thomas Parke Hughes (September 13, 1923 – February 3, 2014) was an American historian of technology.

New!!: Utility frequency and Thomas P. Hughes · See more »

Traction power network

A traction network or traction power network is an electricity grid for the supply of electrified rail networks.

New!!: Utility frequency and Traction power network · See more »

Traction powerstation

A traction power station is a power station that produces only traction current, that is, electric current used for railways, trams, trolleybuses or other conveyances.

New!!: Utility frequency and Traction powerstation · See more »


A transformer is a static electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.

New!!: Utility frequency and Transformer · See more »


A turbine (from the Latin turbo, a vortex, related to the Greek τύρβη, tyrbē, meaning "turbulence") is a rotary mechanical device that extracts energy from a fluid flow and converts it into useful work.

New!!: Utility frequency and Turbine · See more »

United Kingdom

The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain,Usage is mixed with some organisations, including the and preferring to use Britain as shorthand for Great Britain is a sovereign country in western Europe.

New!!: Utility frequency and United Kingdom · See more »

United States

The United States of America (USA), commonly known as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions.

New!!: Utility frequency and United States · See more »

University of Tennessee

The University of Tennessee (also referred to as The University of Tennessee, Knoxville, UT Knoxville, UTK, or UT) is a public sun- and land-grant university in Knoxville, Tennessee, United States.

New!!: Utility frequency and University of Tennessee · See more »

Urban legend

An urban legend, urban myth, urban tale, or contemporary legend is a form of modern folklore.

New!!: Utility frequency and Urban legend · See more »

VDE e.V.

The VDE e.V. (Verband der Elektrotechnik, Elektronik und Informationstechnik) is one of Europe’s largest technical-scientific associations with 36,000 members, including 1,300 corporate and institutional members and 8,000 students.

New!!: Utility frequency and VDE e.V. · See more »


Voltage, electric potential difference, electric pressure or electric tension (formally denoted or, but more often simply as V or U, for instance in the context of Ohm's or Kirchhoff's circuit laws) is the difference in electric potential between two points.

New!!: Utility frequency and Voltage · See more »

Water turbine

A water turbine is a rotary machine that converts kinetic energy and potential energy of water into mechanical work.

New!!: Utility frequency and Water turbine · See more »

Westinghouse Electric Corporation

The Westinghouse Electric Corporation was an American manufacturing company.

New!!: Utility frequency and Westinghouse Electric Corporation · See more »

World War II

World War II (often abbreviated to WWII or WW2), also known as the Second World War, was a global war that lasted from 1939 to 1945, although conflicts reflecting the ideological clash between what would become the Allied and Axis blocs began earlier.

New!!: Utility frequency and World War II · See more »

15 kV AC railway electrification

The AC railway electrification system is used in Germany, Austria, Switzerland, Sweden and Norway.

New!!: Utility frequency and 15 kV AC railway electrification · See more »

Redirects here:

400 Hz, 400 cycle, 400 cycles, 50 Hz, 50 cycle, 50 cycles, 60 Hz, 60 cycle, 60 cycles, Grid frequency regulation, Line frequency, Mains frequency, Power line frequency, Power system stability, Power-line frequency, Time error correction (TEC).


[1] https://en.wikipedia.org/wiki/Utility_frequency

Hey! We are on Facebook now! »