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Pantograph

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