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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) »
AEG
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.
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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.
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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.
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Americas
The Americas (also collectively called America)"America." The Oxford Companion to the English Language.
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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.
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Analog television
Analog television or analogue television is the original television technology that uses analog signals to transmit video and audio.
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Arc lamp
An arc lamp or arc light is a lamp that produces light by an electric arc (also called a voltaic arc).
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Asia
Asia is Earth's largest and most populous continent, located primarily in the Eastern and Northern Hemispheres.
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Austria
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.
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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.
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Brazil
Brazil (Brasil), officially the Federative Republic of Brazil (República Federativa do Brasil), is the largest country in both South America and Latin America.
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British English
British English is the standard dialect of English language as spoken and written in the United Kingdom.
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Brown, Boveri & Cie
Brown, Boveri (BBC) was a Swiss group of electrical engineering companies.
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Calcium carbide
Calcium carbide is a chemical compound with the chemical formula of CaC2.
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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.
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Continuous wavelet transform
In mathematics, a continuous wavelet transform (CWT) is used to divide a continuous-time function into wavelets.
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Coordinated Universal Time
No description.
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Day
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).
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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.
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Direct current
Direct current (DC) is the unidirectional flow of electric charge.
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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.
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Edward Kimbark
Edward Wilson Kimbark (September 21, 1902- February 7, 1982) was a noted power engineer and professor of Electrical Engineering at Northwestern University.
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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.
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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.
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Electric motor
An electric motor is an electrical machine that converts electrical energy into mechanical energy.
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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.
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Electrical grid
An electrical grid is an interconnected network for delivering electricity from producers to consumers.
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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.
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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.
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Fluorescent lamp
A fluorescent lamp, or fluorescent tube, is a low-pressure mercury-vapor gas-discharge lamp that uses fluorescence to produce visible light.
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FNET
FNET (Frequency monitoring Network; a.k.a. FNET/GridEye, GridEye) is a wide-area power system frequency measurement system.
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Frequency
Frequency is the number of occurrences of a repeating event per unit of time.
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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.
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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.
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General Electric
General Electric Company (GE) is an American multinational conglomerate incorporated in New York and headquartered in Boston, Massachusetts.
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Germany
Germany (Deutschland), officially the Federal Republic of Germany (Bundesrepublik Deutschland), is a sovereign state in central-western Europe.
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Hammond organ
The Hammond organ is an electric organ, invented by Laurens Hammond and John M. Hanert and first manufactured in 1935.
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Hertz
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.
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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.
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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.
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Hour
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.
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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.
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Hydroelectricity
Hydroelectricity is electricity produced from hydropower.
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IBM
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.
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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).
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Inductance
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.
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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.
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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.
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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.
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Laurens Hammond
Laurens Hammond (January 11, 1895 – July 1, 1973), was an American engineer and inventor.
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Magnetostriction
Magnetostriction (cf. electrostriction) is a property of ferromagnetic materials that causes them to change their shape or dimensions during the process of magnetization.
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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.
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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.
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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.
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Mains hum
Mains hum, electric hum, or power line hum is a sound associated with alternating current at the frequency of the mains electricity.
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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.
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Mechanicville Hydroelectric Plant
Mechanicville Hydroelectric Plant is a national historic district located at Mechanicville in Saratoga County, New York.
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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).
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Mercury-vapor lamp
A mercury-vapor lamp is a gas discharge lamp that uses an electric arc through vaporized mercury to produce light.
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Mexico
Mexico (México; Mēxihco), officially called the United Mexican States (Estados Unidos Mexicanos) is a federal republic in the southern portion of North America.
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MIL-STD-704
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.
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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.
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Minami-Fukumitsu
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.
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Minute
The minute is a unit of time or angle.
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Monopoly
A monopoly (from Greek μόνος mónos and πωλεῖν pōleîn) exists when a specific person or enterprise is the only supplier of a particular commodity.
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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.
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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.
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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.
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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.
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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).
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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.
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Norway
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.
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Ontario
Ontario is one of the 13 provinces and territories of Canada and is located in east-central Canada.
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Phase (waves)
Phase is the position of a point in time (an instant) on a waveform cycle.
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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.
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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.
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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.
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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.
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Protective relay
In electrical engineering, a protective relay is a relay device designed to trip a circuit breaker when a fault is detected.
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Quebec
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.
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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.
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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.
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Rectifier
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.
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Rotary converter
A rotary converter is a type of electrical machine which acts as a mechanical rectifier, inverter or frequency converter.
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Second
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.
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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.
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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.
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Sir Adam Beck Hydroelectric Generating Stations
Sir Adam Beck Hydroelectric Generating Stations are two hydroelectric generating stations in Niagara Falls, Ontario, Canada.
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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.
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Steam engine
A steam engine is a heat engine that performs mechanical work using steam as its working fluid.
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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.
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Sweden
Sweden (Sverige), officially the Kingdom of Sweden (Swedish), is a Scandinavian country in Northern Europe.
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Switzerland
Switzerland, officially the Swiss Confederation, is a sovereign state in Europe.
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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.
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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.
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Telechron
Telechron is the name of a U.S. company that manufactured electric clocks between 1912 and 1992.
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Television
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.
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Thomas P. Hughes
Thomas Parke Hughes (September 13, 1923 – February 3, 2014) was an American historian of technology.
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Traction power network
A traction network or traction power network is an electricity grid for the supply of electrified rail networks.
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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.
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Transformer
A transformer is a static electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.
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Turbine
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.
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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.
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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.
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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.
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Urban legend
An urban legend, urban myth, urban tale, or contemporary legend is a form of modern folklore.
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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.
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Voltage
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.
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Water turbine
A water turbine is a rotary machine that converts kinetic energy and potential energy of water into mechanical work.
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Westinghouse Electric Corporation
The Westinghouse Electric Corporation was an American manufacturing company.
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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.
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15 kV AC railway electrification
The AC railway electrification system is used in Germany, Austria, Switzerland, Sweden and Norway.
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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).
References
[1] https://en.wikipedia.org/wiki/Utility_frequency
