96 relations: ACCC conductor, Admittance, Aerial bundled cable, Aerial cable, Aerodrome, Alternating current, Aluminium-conductor steel-reinforced cable, American Electric Power, Ampacity, Angular frequency, Balisor, Cannabis smoking, Catenary, Circular saw, Communications system, Conductor marking lights, Corona discharge, Corona ring, CU project controversy, Donald G. Fink, Earthing system, Ekibastuz, Ekibastuz–Kokshetau high-voltage line, Electric power distribution, Electric power transmission, Electrical conductor, Electrical impedance, Electrical reactance, Electrical resistance and conductance, Electrical resistivity and conductivity, Electrical telegraph, Electromagnetic interference, Elektrostal, Financial Times, Frankfurt, Gradient, Helicopter, Helicopter Flight Rescue System, Helicopter height–velocity diagram, High voltage, Hilpertsau-Weisenbach compact overhead line, Insulator (electricity), International Civil Aviation Organization, Kita-Iwaki powerline, Lattice tower, Lauffen am Neckar, Lightning, Lineworker, Live-line working, Lutsk compact overhead powerline, ..., Miesbach–Munich Power Transmission, Ny Teknik, Operating temperature, Operation Outward, Optical fiber, Optical ground wire, Overhead cable, Overhead line, Overhead wire marker, Pin insulator, Porcelain, Pothead, Powerline river crossings in the United Kingdom, Pressure washing, Pylons of Messina, Railway electrification system, Raptor conservation, Rhine, Right of way, RWE, Silicone rubber, Sine wave, Skin effect, State Grid Corporation of China, Stephen Gray (scientist), Strain insulator, Sunrise Powerlink, Surge arrester, Sweden, Telegraphy, Thermal expansion, Third rail, Three-phase electric power, Toughened glass, Transmission line, Transmission tower, Two-port network, Undergrounding, United States, Utility pole, Visual pollution, Voerde, Volt, William Thomson, 1st Baron Kelvin, Wireless powerline sensor, Yangtze River power line crossings. Expand index (46 more) » « Shrink index
Aluminium Conductor Composite Core or ACCC is a type of "high-temperature low-sag" (HTLS) overhead power line conductor manufactured by more than 20 international conductor manufacturers.
In electrical engineering, admittance is a measure of how easily a circuit or device will allow a current to flow.
Aerial bundled cables (also aerial bundled conductors or simply ABC) are overhead power lines using several insulated phase conductors bundled tightly together, usually with a bare neutral conductor.
An aerial cable or air cable is an insulated cable usually containing all conductors required for an electrical distribution system (typically using aerial bundled cables) or a telecommunication line, which is suspended between utility poles or electricity pylons.
An aerodrome (Commonwealth English) or airdrome (American English) is a location from which aircraft flight operations take place, regardless of whether they involve air cargo, passengers, or neither.
Alternating current (AC) is an electric current which periodically reverses direction, in contrast to direct current (DC) which flows only in one direction.
Aluminium conductor steel-reinforced cable (ACSR) is a type of high-capacity, high-strength stranded conductor typically used in overhead power lines.
American Electric Power (AEP) is a major investor-owned electric utility in the United States of America, delivering electricity to more than five million customers in 11 states.
Ampacity is a portmanteau for ampere capacity defined by National Electrical Safety Codes, in some North American countries.
In physics, angular frequency ω (also referred to by the terms angular speed, radial frequency, circular frequency, orbital frequency, radian frequency, and pulsatance) is a scalar measure of rotation rate.
Balisor is a system of illuminated beacons for high voltage power lines using a cold-cathode low-pressure neon lamp, used as an aircraft warning light.
Cannabis smoking is the inhalation of smoke or vapors released by heating the flowers, leaves, or extracts of cannabis and releasing the main psychoactive chemical, Δ9-tetrahydrocannabinol (THC), which is absorbed into the bloodstream via the lungs.
In physics and geometry, a catenary is the curve that an idealized hanging chain or cable assumes under its own weight when supported only at its ends.
A circular saw is a power-saw using a toothed or abrasive disc or blade to cut different materials using a rotary motion spinning around an arbor.
In telecommunication, a communications system is a collection of individual communications networks, transmission systems, relay stations, tributary stations, and data terminal equipment (DTE) usually capable of interconnection and interoperation to form an integrated whole.
Conductor marking lights are a particular type of aircraft warning lights designed for overhead power lines.
A corona discharge is an electrical discharge brought on by the ionization of a fluid such as air surrounding a conductor that is electrically charged.
A corona ring, also called an anti-corona ring, is a toroid of conductive material, usually metal, which is attached to a terminal or other irregular hardware piece of high voltage equipment.
The CU Project Controversy involved years of protest against a proposed high-voltage direct current powerline that was erected on the property of hundreds of farmers in west central Minnesota in the late 1970s.
Donald Glen Fink (November 8, 1911 – May 3, 1996) was an American electrical engineer, a pioneer in the development of radio navigation systems and television standards, vice president for research of Philco, president of the Institute of Radio Engineers, General Manager of the IEEE, and an editor of many important publications in electrical engineering.
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.
Ekibastuz (Екібастұз/Ekibastuz, ەكئباستۇز; Экибастуз) is a town in Pavlodar Region, northeastern Kazakhstan.
The Ekibastuz–Kokshetau high-voltage line is an alternating current electrical power transmission line in Kazakhstan from Ekibastuz to Kokshetau.
Electric power distribution is the final stage in the delivery of electric power; it carries electricity from the transmission system to individual consumers.
Electric power transmission is the bulk movement of electrical energy from a generating site, such as a power plant, to an electrical substation.
In physics and electrical engineering, a conductor is an object or type of material that allows the flow of an electrical current in one or more directions.
Electrical impedance is the measure of the opposition that a circuit presents to a current when a voltage is applied.
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.
The electrical resistance of an electrical conductor is a measure of the difficulty to pass an electric current through that conductor.
Electrical resistivity (also known as resistivity, specific electrical resistance, or volume resistivity) is a fundamental property that quantifies how strongly a given material opposes the flow of electric current.
An electrical telegraph is a telegraph that uses electrical signals, usually conveyed via dedicated telecommunication circuit or radio.
Electromagnetic interference (EMI), also called radio-frequency interference (RFI) when in the radio frequency spectrum, is a disturbance generated by an external source that affects an electrical circuit by electromagnetic induction, electrostatic coupling, or conduction.
Elektrostal (Электроста́ль, from Russian Электро (Elektro), lit: Electric and Сталь (Stal), lit: Steel) is a city in Moscow Oblast, Russia, located east of Moscow.
The Financial Times (FT) is a Japanese-owned (since 2015), English-language international daily newspaper headquartered in London, with a special emphasis on business and economic news.
Frankfurt, officially the City of Frankfurt am Main ("Frankfurt on the Main"), is a metropolis and the largest city in the German state of Hesse and the fifth-largest city in Germany.
In mathematics, the gradient is a multi-variable generalization of the derivative.
A helicopter is a type of rotorcraft in which lift and thrust are supplied by rotors.
The Helicopter Flight Rescue System (HFRS), also known as the Helicopter External Transport System (HETS), is a helicopter insertion and extraction tool which as under the Canadian Aviation Regulations (CARs) is authorized for use in Forest Fire Fighting, Law Enforcement and Search and Rescue.
The height–velocity diagram or H/V curve is a graph charting the safe/unsafe flight profiles relevant to a specific helicopter.
The term high voltage usually means electrical energy at voltages high enough to inflict harm on living organisms.
Hilpertsau-Weisenbach compact overhead line is a 1.326 kilometres long overhead 20 kV-line of EnBW AG east of Hilpertsau.
An electrical insulator is a material whose internal electric charges do not flow freely; very little electric current will flow through it under the influence of an electric field.
The International Civil Aviation Organization (ICAO Organisation de l'aviation civile internationale, OACI), is a specialized agency of the United Nations.
The Kita-Iwaki Powerline is the largest double-circuit powerline for three-phase electric power in the world.
A lattice tower or truss tower is a freestanding framework tower.
(Lauffen) is a town in the district of Heilbronn, Baden-Württemberg, Germany.
Lightning is a sudden electrostatic discharge that occurs typically during a thunderstorm.
A lineworker (lineman (American English), linesman (British English), powerline technician (PLT), or powerline worker) is a tradesperson who constructs and maintains electric power transmission and distribution lines.
In electrical engineering, live-line working, also known as hotline maintenance, is the maintenance of electrical equipment, often operating at high voltage, while the equipment is energised.
Lutsk compact overhead line in Volyn Oblast, Ukraine is a technically unique 10 kV power transmission line that connects a thermal power plant in Lutsk to the Lutsk-Pivnichna substation.
Miesbach–Munich Power Transmission of 1882 was the first transmission of direct current electrical energy over a large distance (57 km).
Ny Teknik (meaning New Technology in English) is a weekly Swedish magazine with news, debates and ads in the field of technology and engineering.
An operating temperature is the temperature at which an electrical or mechanical device operates.
Operation Outward was the name given to the British World War II program to attack Germany by means of free-flying balloons.
An optical fiber or optical fibre is a flexible, transparent fiber made by drawing glass (silica) or plastic to a diameter slightly thicker than that of a human hair.
An optical ground wire (also known as an OPGW or, in the IEEE standard, an optical fiber composite overhead ground wire) is a type of cable that is used in overhead power lines.
An overhead cable is a cable for the transmission of information, laid on utility poles.
An overhead line or overhead wire is used to transmit electrical energy to trams, trolleybuses or trains.
Overhead wire markers are safety instruments applied to the overhead power lines marking transmission lines and ropeways along the flight path during the day.
A pin insulator is a device that isolates a wire from a physical support such as a pin (a wooden or metal dowel of about 3 cm diameter with screw threads) on a telegraph or utility pole.
Porcelain is a ceramic material made by heating materials, generally including kaolin, in a kiln to temperatures between.
A pothead is a type of insulated electrical terminal used for transitioning between overhead line and underground high voltage cable or for connecting overhead wiring to equipment like transformers.
There are a number of substantial overhead power line river crossings in the United Kingdom.
Pressure washing or power washing is the use of high-pressure water spray to remove loose paint, mold, grime, dust, mud, chewing gum and dirt from surfaces and objects such as buildings, vehicles and concrete surfaces.
The Pylons of Messina are two free-standing steel towers, the Sicilian one in Torre Faro and the Calabrian one in Villa San Giovanni.
A railway electrification system supplies electric power to railway trains and trams without an on-board prime mover or local fuel supply.
Raptor conservation concerns are threats affecting the population viability of birds of prey.
--> The Rhine (Rhenus, Rein, Rhein, le Rhin,, Italiano: Reno, Rijn) is a European river that begins in the Swiss canton of Graubünden in the southeastern Swiss Alps, forms part of the Swiss-Liechtenstein, Swiss-Austrian, Swiss-German and then the Franco-German border, then flows through the German Rhineland and the Netherlands and eventually empties into the North Sea.
Right of way is a term used to describe "the legal right, established by usage or grant, to pass along a specific route through grounds or property belonging to another", or "a path or thoroughfare subject to such a right".
RWE AG, until 1990: Rheinisch-Westfälisches Elektrizitätswerk AG (Rhenish-Westphalian Power Plant), is a German electric utilities company based in Essen, North Rhine-Westphalia.
Silicone rubber is an elastomer (rubber-like material) composed of silicone—itself a polymer—containing silicon together with carbon, hydrogen, and oxygen.
A sine wave or sinusoid is a mathematical curve that describes a smooth periodic oscillation.
Skin effect is the tendency of an alternating electric current (AC) to become distributed within a conductor such that the current density is largest near the surface of the conductor, and decreases with greater depths in the conductor.
The State Grid Corporation of China (SGCC), commonly known as the State Grid, is the state-owned electric utility monopoly of China.
Stephen Gray (December 1666 – 7 February 1736) was an English dyer and astronomer who was the first to systematically experiment with electrical conduction.
A strain insulator is an electrical insulator that is designed to work in mechanical tension (strain), to withstand the pull of a suspended electrical wire or cable.
Sunrise Powerlink is a high-voltage power transmission line by San Diego Gas & Electric (SDG&E) in San Diego County, California and Imperial County, California.
A surge arrester is a device to protect electrical equipment from over-voltage transients caused by external (lightning) or internal (switching) events.
Sweden (Sverige), officially the Kingdom of Sweden (Swedish), is a Scandinavian country in Northern Europe.
Telegraphy (from Greek: τῆλε têle, "at a distance" and γράφειν gráphein, "to write") is the long-distance transmission of textual or symbolic (as opposed to verbal or audio) messages without the physical exchange of an object bearing the message.
Thermal expansion is the tendency of matter to change in shape, area, and volume in response to a change in temperature.
A third rail is a method of providing electric power to a railway locomotive or train, through a semi-continuous rigid conductor placed alongside or between the rails of a railway track.
Three-phase electric power is a common method of alternating current electric power generation, transmission, and distribution.
Toughened or tempered glass is a type of safety glass processed by controlled thermal or chemical treatments to increase its strength compared with normal glass.
In communications and electronic engineering, a transmission line is a specialized cable or other structure designed to conduct alternating current of radio frequency, that is, currents with a frequency high enough that their wave nature must be taken into account.
A transmission tower or power tower (electricity pylon in the United Kingdom, Canada and parts of Europe) is a tall structure, usually a steel lattice tower, used to support an overhead power line.
A two-port network (a kind of four-terminal network or quadripole) is an electrical network (circuit) or device with two pairs of terminals to connect to external circuits.
Undergrounding is the replacement of overhead cables providing electrical power or telecommunications, with underground cables.
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.
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.
Visual pollution is an aesthetic issue and refers to the impacts of pollution that impair one's ability to enjoy a vista or view.
Voerde is a town in the district of Wesel, in North Rhine-Westphalia, Germany.
The volt (symbol: V) is the derived unit for electric potential, electric potential difference (voltage), and electromotive force.
William Thomson, 1st Baron Kelvin, (26 June 1824 – 17 December 1907) was a Scots-Irish mathematical physicist and engineer who was born in Belfast in 1824.
A Wireless powerline sensor hangs from an overhead power line and sends measurements to a data collection system.
The Yangtze River power line crossings are overhead power lines that cross the Yangtze River in China.
Bundle conductor, Compact overhead powerline, Double-circuit, Double-circuit transmission line, Electric transmission line, Ground wire (transmission line), High tension line, High tension lines, High tension wire, High-tension wire, Overgrounding, Overhead power lines, Overhead powerline, Power line, Power transmission line, Single circuit transmission line, Single circuit transmission lines, Single-circuit transmission line, Single-circuit transmission lines, Spacer damper.