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Contact between a pantograph and an overhead line is usually assured through a block of graphite. This material conducts electricity while working as a lubricant. As graphite is brittle, pieces can break off during operation. Poorly-built pantographs can seize the overhead wire and tear it down, and poor-condition wires can damage the pantograph.
These are normally based on a vision system which takes pictures of the pantographs and performs an analysis based on computer vision algorithms. A pantograph uses a carbon strip to conduct electricity between the catenary and the pantograph. When these are damaged or worn out, the pantograph can tear down the catenary causing train delays.
3-phase pantograph on a Corcovado Rack Railway train in Brazil. The locomotive needs to pick up power from two (or three) overhead conductors. Early locomotives on the Italian State Railways used a wide bow collector which covered both wires but later locomotives used a wide pantograph with two collector bars, side by side. A three-phase system ...
When the Guangzhou–Shenzhen railway was electrified, China Railway extended through trains into Hong Kong via the Kowloon–Canton Railway (KCR) East Rail line.These trains were initially hauled by an SS8 locomotive but their pantographs were considered harmful to KCR's catenary even after necessary conversions had been made.
The Be 510 trains were bought for the Uetliberg line, but to allow flexible operation and considering plans to convert the Uetliberg line to AC electrification, [2] a multi system EMU was specified. With the pantograph in the centre standard 15 kV AC is drawn. The pantograph moved to the right allows collection of 1200 V DC, the unique supply ...
The locomotive's pantograph placement is unusual in not being equidistant from the locomotive ends. The contact shoe centre of the front pantograph is 6,155 millimetres (20 feet 2.32 inches) from the longitudinal centre of the locomotive, while that of the rear pantograph is 5,920 millimetres (19 feet 5.07 inches) from the longitudinal centre.
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This template is for railway locomotives. For trams/streetcars, multiple units, passenger cars and freight cars, use Template:Infobox train. Template parameters [Edit template data] This template prefers block formatting of parameters. Parameter Description Type Status name name The name that will appear above the top line of the infobox. If it is the name of a specific locomotive, then it ...