Railway electrification system facts for kids

Kids Encyclopedia Facts
Three engines of type Rc4
Electric locomotives under the wires in Sweden.
CT-Station, Bridgeport
Overhead wire and catenary in Bridgeport, Connecticut, United States.

A railway electrification system supplies electrical energy to railway locomotives and multiple units so that they can operate without having an on-board prime mover. Most systems supply direct current. They send the current to the train by third rail or by overhead wires.

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Railway electrification system Facts for Kids. Kiddle Encyclopedia.