overhead wires - definizione. Che cos'è overhead wires
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Cosa (chi) è overhead wires - definizione

SINGLE OR RARELY DOUBLE WIRE USED TO TRANSMIT ELECTRICAL ENERGY TO TRAINS, TRAMS, OR TROLLEYBUSES, HANGING ABOVE THE ROUTE OF THE VEHICLE
Overhead Lines; Overhead wires; Overhead wire; Overhead contact system; Overhead line equipment; Overhead electrification; Overhead pickup; Overhead catenary; How can a tram route cross a trolley bus route without short circuits; OHLE; Catenary (railways); Catenary wire; Overhead power; Trolley wires; Catenary (railroad); Catenary (rail); Overhead trolley wire; Phase gap; Catenarie arm; Overhead power supply; Messenger wire; Overhead equipment; Overhead wiring; Overhead electrical wire; Overhead lines; Caternary (rail line power); Overhead conductor rail; Overhead live wire; Contact wire; Traction wire; Overhead Line Electrification; Overhead line electrification; Overhead Line; Overhead line maintenance; Overhead catenary system; Overhead catenary wire; Draft:Neutral section; Neutral section
  • An older rail bridge in [[Berwick-upon-Tweed]], retrofitted to include overhead catenary lines
  • location=New York}}</ref>
  • A switch in parallel overhead lines
  • Overhead lines
  • crossings]]
  • 25&nbsp;kV AC neutral zone in Romania
  • Line tensioning in Germany
  • Gantry with old and new suspended equipment at [[Grivita railway station]]<!-- Not to be confused with the [[Grivita metro station]] -->, [[Bucharest]].
  • Uetliberg railway]] (the pantograph is mounted asymmetrically to collect current from this rail); right, 15&nbsp;kV AC for the Sihltal railway
  • Toronto]]: Two runners for pantographs flank the trolley pole frog.
  • JR West]]
  • Line C]] trenches and tunnels in central Paris
  • [[Lineworker]]s on a [[maintenance of way]] vehicle repairing overhead lines (Poland)
  • A section insulator at a section break in Amtrak's 12&nbsp;kV catenary
  • Operation of the overhead conductor rails at Shaw's Cove Railroad Bridge in Connecticut
  • A [[swing bridge]] near [[Meppel]], the Netherlands. There is no overhead line on the bridge; the train coasts through with raised pantograph.
  • insulated trough}}
  • Tram overhead wire (diagonal) crossing trolleybus wires (horizontal), photographed in Bahnhofplatz, Bern, Switzerland
  • Trolleybus wire switch]]
  • Catenary (upper photo) is suited to higher-speed rail vehicles. Trolley wire (lower photo) is suited to slower-speed trams (streetcars) and light rail vehicles.

Overhead line         
An overhead line or overhead wire is an electrical cable that is used to transmit electrical energy to electric locomotives, trolleybuses or trams. It is known variously as:
overheads         
  • A standard break-even analysis chart
  • The rent for factory buildings is considered a manufacturing overhead
ONGOING OPERATING EXPENSE WHICH DO NOT DIRECTLY GENERATE PROFITS, BUT WHICH IS VITAL TO TO PROFIT MAKING
Overhead Costs; Overhead cost; Business overhead expense; Oncost; Business overhead; Overhead expenses; Administrative overhead; Overheads; Establishment charges; Overhead costs
The overheads of a business are its regular and essential expenses, such as salaries, rent, electricity, and telephone bills. (BUSINESS)
We are having to cut our costs to reduce overheads and remain competitive.
N-PLURAL
Oncost         
  • A standard break-even analysis chart
  • The rent for factory buildings is considered a manufacturing overhead
ONGOING OPERATING EXPENSE WHICH DO NOT DIRECTLY GENERATE PROFITS, BUT WHICH IS VITAL TO TO PROFIT MAKING
Overhead Costs; Overhead cost; Business overhead expense; Oncost; Business overhead; Overhead expenses; Administrative overhead; Overheads; Establishment charges; Overhead costs
·add. ·noun In cost accounting, expenditure which is involved in the process of manufacture or the performance of work and which cannot be charged directly to any particular article manufactured or work done (as where different kinds of goods are produced), but must be allocated so that each kind of goods or work shall bear its proper share.

Wikipedia

Overhead line

An overhead line or overhead wire is an electrical cable that is used to transmit electrical energy to electric locomotives, trolleybuses or trams. The generic term used by the International Union of Railways for the technology is overhead line. It is known variously as overhead catenary, overhead contact line (OCL), overhead contact system (OCS), overhead equipment (OHE), overhead line equipment (OLE or OHLE), overhead lines (OHL), overhead wiring (OHW), traction wire, and trolley wire.

An overhead line consists of one or more wires (or rails, particularly in tunnels) situated over rail tracks, raised to a high electrical potential by connection to feeder stations at regular intervals. The feeder stations are usually fed from a high-voltage electrical grid.

Esempi dal corpus di testo per overhead wires
1. Besides squatting, banana leaves thrown on overhead wires also disrupted train movement in Sealdah South section.
2. Amtrak spokesman Cliff Cole said that it was still not clear what caused the damage to overhead wires.
3. Yesterday’s blaze also caused power to be lost in various parts of Athens when it burnt through overhead wires.
4. The other definitive solution would be to bury the power lines and all the other overhead wires, but that would mean paying a lot more in utility bills.
5. Iain Coucher, deputy chief executive of Network Rail, the rail infrastructure owner, said the problem was most acute where there were many bridges and tunnels and where there were overhead wires, which would need to be raised.