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89 relations: AC power plugs and sockets, Alternating current, Aluminium, Arc lamp, Australia, Backfeeding, Boston, Busbar, Capacitor, Circuit breaker, Cost of electricity by source, Deregulation, Direct current, Distribution transformer, Dynamic voltage restoration, Earthing system, Economies of scale, Electric car, Electric motor, Electric power, Electric power industry, Electric power transmission, Electric utility, Electrical substation, Electricity delivery, Electricity distribution companies by country, Electricity generation, Electricity market, Electricity meter, Electricity retailing, Electricity sector in Japan, Frequency changer, Gas lighting, George Westinghouse, Ground (electricity), Higashi-Shimizu Frequency Converter, High-voltage direct current, High-voltage transformer fire barriers, Hiroshima, Hokkaido, Hydro-Québec, Incandescent light bulb, James Bay, Japan, Kyoto, Kyushu, Mains electricity, Minami-Fukumitsu, Nagoya, Network protector, ..., New Zealand, Osaka, Oscilloscope, Pearl Street Station, Power distribution unit, Power factor, Power station, Power-system automation, Privatization, Railway electrification system, Rectifier, Rural electrification, Rural Utilities Service, Saskatchewan, Service drop, Shikokuchūō, Shin Shinano, Sine wave, Single-phase electric power, Single-wire earth return, South Africa, Speed of light, Split-phase electric power, Tōhoku region, Telephone exchange, Thomas Edison, Three-phase electric power, Tokyo, Transformer, Transmission system operator, Utility pole, Utility tunnel, Vertical integration, Volt, Voltage, Voltage drop, War of the currents, Yokohama, 2011 Tōhoku earthquake and tsunami. Expand index (39 more) »
AC power plugs and sockets
AC power plugs and sockets are devices that allow electrically operated equipment to be connected to the primary alternating current (AC) power supply in a building.
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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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Aluminium
Aluminium or aluminum is a chemical element with symbol Al and atomic number 13.
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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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Australia
Australia, officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania and numerous smaller islands.
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Backfeeding
Backfeeding is flow of electrical energy in the reverse direction from its normal flow.
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Boston
Boston is the capital city and most populous municipality of the Commonwealth of Massachusetts in the United States.
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Busbar
In electric power distribution, a busbar (also bus bar, and sometimes misspelled as buss bar or bussbar) is a metallic strip or bar, typically housed inside switchgear, panel boards, and busway enclosures for local high current power distribution.
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Capacitor
A capacitor is a passive two-terminal electrical component that stores potential energy in an electric field.
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Circuit breaker
A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by excess current from an overload or short circuit.
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Cost of electricity by source
In electrical power generation, the distinct ways of generating electricity incur significantly different costs.
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Deregulation
Deregulation is the process of removing or reducing state regulations, typically in the economic sphere.
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Direct current
Direct current (DC) is the unidirectional flow of electric charge.
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Distribution transformer
A distribution transformer or service transformer is a transformer that provides the final voltage transformation in the electric power distribution system, stepping down the voltage used in the distribution lines to the level used by the customer.
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Dynamic voltage restoration
Dynamic voltage restoration (DVR) is a method of overcoming voltage sags that occur in electrical power distribution.
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Earthing system
In an electrical installation an earthing system or grounding system connects specific parts of that installation with the Earth's conductive surface for safety and functional purposes.
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Economies of scale
In microeconomics, economies of scale are the cost advantages that enterprises obtain due to their scale of operation (typically measured by amount of output produced), with cost per unit of output decreasing with increasing scale.
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Electric car
An electric car is a plug-in electric automobile that is propelled by one or more electric motors, using energy typically stored in rechargeable batteries.
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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
Electric power is the rate, per unit time, at which electrical energy is transferred by an electric circuit.
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Electric power industry
The electric power industry covers the generation, transmission, distribution and sale of electric power to the general public and industry.
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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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Electric utility
An electric utility is a company in the electric power industry (often a public utility) that engages in electricity generation and distribution of electricity for sale generally in a regulated market.
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Electrical substation
A substation is a part of an electrical generation, transmission, and distribution system.
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Electricity delivery
Electricity delivery is the process that goes from generation of electricity in the power station to the use by the consumer.
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Electricity distribution companies by country
This is a list of Electricity distribution companies by country.
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Electricity generation
Electricity generation is the process of generating electric power from sources of primary energy.
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Electricity market
In economic terms, electricity (both power and energy) is a commodity capable of being bought, sold, and traded.
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Electricity meter
analog electricity meter. Electricity meter with transparent plastic case (Israel) North American domestic electronic electricity meter An electricity meter, electric meter, electrical meter, or energy meter is a device that measures the amount of electric energy consumed by a residence, a business, or an electrically powered device.
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Electricity retailing
Electricity retailing is the final sale of electricity from generation to the end-use consumer.
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Electricity sector in Japan
The electric power industry in Japan covers the generation, transmission, distribution, and sale of electric energy in Japan.
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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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Gas lighting
Gas lighting is production of artificial light from combustion of a gaseous fuel, such as hydrogen, methane, carbon monoxide, propane, butane, acetylene, ethylene, or natural gas.
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George Westinghouse
George Westinghouse Jr. (October 6, 1846 – March 12, 1914) was an American entrepreneur and engineer based in Pittsburgh, Pennsylvania who invented the railway air brake and was a pioneer of the electrical industry, gaining his first patent at the age of 19.
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Ground (electricity)
In electrical engineering, ground or earth is the reference point in an electrical circuit from which voltages are measured, a common return path for electric current, or a direct physical connection to the earth.
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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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High-voltage transformer fire barriers
High-voltage transformer fire barriers, or transformer firewalls, transformer ballistic firewalls, transformer blast walls, are outdoor countermeasures against cascading failures in a national electric grid.
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Hiroshima
is the capital of Hiroshima Prefecture and the largest city in the Chūgoku region of western Honshu - the largest island of Japan.
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Hokkaido
(), formerly known as Ezo, Yezo, Yeso, or Yesso, is the second largest island of Japan, and the largest and northernmost prefecture.
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Hydro-Québec
Hydro-Québec is a public utility that manages the generation, transmission and distribution of electricity in Quebec.
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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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James Bay
James Bay (Baie James, Wînipekw) is a large body of water on the southern end of Hudson Bay in Canada.
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Japan
Japan (日本; Nippon or Nihon; formally 日本国 or Nihon-koku, lit. "State of Japan") is a sovereign island country in East Asia.
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Kyoto
, officially, is the capital city of Kyoto Prefecture, located in the Kansai region of Japan.
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Kyushu
is the third largest island of Japan and most southwesterly of its four main islands.
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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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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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Nagoya
is the largest city in the Chūbu region of Japan.
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Network protector
A network protector is a type of electric protective device used in electricity distribution systems.
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New Zealand
New Zealand (Aotearoa) is a sovereign island country in the southwestern Pacific Ocean.
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Osaka
() is a designated city in the Kansai region of Japan.
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Oscilloscope
An oscilloscope, previously called an oscillograph, and informally known as a scope or o-scope, CRO (for cathode-ray oscilloscope), or DSO (for the more modern digital storage oscilloscope), is a type of electronic test instrument that allows observation of varying signal voltages, usually as a two-dimensional plot of one or more signals as a function of time.
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Pearl Street Station
Pearl Street Station was the first commercial central power plant in the US.
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Power distribution unit
A power distribution unit (PDU) or mains distribution unit (MDU) is a device fitted with multiple outputs designed to distribute electric power, especially to racks of computers and networking equipment located within a data center.
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Power factor
In electrical engineering, the power factor of an AC electrical power system is defined as the ratio of the real power flowing to the load to the apparent power in the circuit, and is a dimensionless number in the closed interval of −1 to 1.
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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-system automation
Power-system automation is the act of automatically controlling the power system via instrumentation and control devices.
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Privatization
Privatization (also spelled privatisation) is the purchase of all outstanding shares of a publicly traded company by private investors, or the sale of a state-owned enterprise to private investors.
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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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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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Rural electrification
Rural electrification is the process of bringing electrical power to rural and remote areas.
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Rural Utilities Service
The United States Rural Utilities Service (RUS) administers programs that provide infrastructure or infrastructure improvements to rural communities.
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Saskatchewan
Saskatchewan is a prairie and boreal province in western Canada, the only province without natural borders.
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Service drop
In electric power distribution, a service drop is an overhead electrical line running from a utility pole, to a customer's building or other premises.
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Shikokuchūō
is a city located in Ehime Prefecture, Japan.
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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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Sine wave
A sine wave or sinusoid is a mathematical curve that describes a smooth periodic oscillation.
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Single-phase electric power
In electrical engineering, single-phase electric power is the distribution of alternating current electric power using a system in which all the voltages of the supply vary in unison.
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Single-wire earth return
Single-wire earth return (SWER) or single-wire ground return is a single-wire transmission line which supplies single-phase electric power from an electrical grid to remote areas at low cost.
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South Africa
South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa.
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Speed of light
The speed of light in vacuum, commonly denoted, is a universal physical constant important in many areas of physics.
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Split-phase electric power
A split-phase or single-phase three-wire system is a type of single-phase electric power distribution.
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Tōhoku region
The, Northeast region, or Northeast Japan consists of the northeastern portion of Honshu, the largest island of Japan.
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Telephone exchange
A telephone exchange is a telecommunications system used in the public switched telephone network or in large enterprises.
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Thomas Edison
Thomas Alva Edison (February 11, 1847October 18, 1931) was an American inventor and businessman, who has been described as America's greatest inventor.
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Three-phase electric power
Three-phase electric power is a common method of alternating current electric power generation, transmission, and distribution.
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Tokyo
, officially, is one of the 47 prefectures of Japan and has been the capital since 1869.
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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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Transmission system operator
A transmission system operator (TSO) is an entity entrusted with transporting energy in the form of natural gas ENTSO-G. Retrieved: 2 October 2010.
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Utility pole
A utility pole is a column or post used to support overhead power lines and various other public utilities, such as electrical cable, fiber optic cable, and related equipment such as transformers and street lights.
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Utility tunnel
A utility tunnel, utility corridor, or utilidor is a passage built underground or above ground to carry utility lines such as electricity, steam, water supply pipes, and sewer pipes.
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Vertical integration
In microeconomics and management, vertical integration is an arrangement in which the supply chain of a company is owned by that company.
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Volt
The volt (symbol: V) is the derived unit for electric potential, electric potential difference (voltage), and electromotive force.
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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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Voltage drop
Voltage drop describes how the energy supplied by a voltage source is reduced as electric current moves through the passive elements (elements that do not supply voltage) of an electrical circuit.
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War of the currents
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.
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Yokohama
, literally "Port to the side" or "Beside the port", is the second largest city in Japan by population, after Tokyo, and the most populous municipality of Japan.
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2011 Tōhoku earthquake and tsunami
The was a magnitude 9.0–9.1 (Mw) undersea megathrust earthquake off the coast of Japan that occurred at 14:46 JST (05:46 UTC) on Friday 11 March 2011, with the epicentre approximately east of the Oshika Peninsula of Tōhoku and the hypocenter at an underwater depth of approximately.
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References
[1] https://en.wikipedia.org/wiki/Electric_power_distribution
