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Pantograph is an apparatus which mounted on the roof of electric train to collect power through with an overhead tension wire. It lift or down on the basis of the … Continue reading

Rigid Catenary (or Overhead Contact System)

The rigid catenary is an Overhead Contact System (OCS) that can replace, with many¬† advantages, the contact wire with sustentation wire, the third rail or the suspended bimetallic T-rail. It … Continue reading