Article | REF: D5530 V1

Electrical engineering components for rail traction

Authors: Pierre CHAPAS, Marc DEBRUYNE

Publication date: November 10, 2004

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3. Catchment and protection

3.1 Pantograph

Trains running on overhead catenary lines are equipped with a current collector called a "pantograph", an old name derived from the similarity with the lozenge-shaped drawing machine of yesteryear. The first pantographs were indeed shaped like a deformable rhombus.

The pantograph's functions are both electrical and mechanical.

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3.1.1 Electrical functions

The total current absorbed by the traction unit must be captured with the minimum contact resistance...

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