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What is a Railway electric Brackett or Catenary or Cantilever ?  
1 Answers
Nov 26 2020 (17:16)
General

Entry# 2318     
Brandon12663^~
What is a Railway electric Brackett or Catenary or Cantilever ?

★★★  General Travel
Nov 26 2020 (15:50)
Blog Post# 4791650-0     
Srikar_lucky^~   Added by: Brandon12663^~  Nov 26 2020 (17:16)
What is a Railway electric Brackett or Catenary or Cantilever ?

A catenary is a system of overhead wires used to supply electricity to a locomotive, tram (streetcar), or light rail vehicle that is equipped with a pantograph.

Unlike
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simple overhead wires, in which the uninsulated wire is attached by clamps to closely spaced crosswires supported by poles, catenary systems use at least two wires. The catenary or messenger wire is hung at a specific tension between line structures, and a second wire is held in tension by the messenger wire, attached to it at frequent intervals by clamps and connecting wires known as droppers. The second wire is straight and level, parallel to the rail track, suspended over it as the roadway of a suspension bridge is over water.

Catenary systems are suited to high-speed operations whereas simple wire systems, which are less expensive to build and maintain, are common on light rail or tram (streetcar) lines, especially on city streets. Such vehicles can be fitted with either a pantograph or trolley pole.
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