Electric locomotive
device · 1879 · Electric age
A locomotive with electric motors powered from overhead lines (Siemens).
Inventor: Robert Davidson.
What it is made of
- Pantograph — has part. Current is collected by a pantograph.
- Electric motor — has part. Traction motors.
- Bogie — has part. Bogies.
- IGBT — has part. Traction converters.
- Railway coupling — has part. An electric locomotive pulls its wagons through a coupling.
Principles and materials it uses
- Steel — is made of. The body and frame are steel.
- Copper — is made of. The windings and wires are copper.
Where it is used
- Metro — is used in. The first lines were steam-operated; electric trains since 1890.
- Panama Canal — is part of. Electric “mules” tow the ships through the locks.
What it is a kind of
- Rail vehicle — is a kind of. A rail machine.