ben SD70Dude Most railway overhead electrifications do use the rails to carry the return current. Trolleybuses require a second overhead wire to complete the circuit. Also, electric trains like the Acela require such systems.
SD70Dude Most railway overhead electrifications do use the rails to carry the return current. Trolleybuses require a second overhead wire to complete the circuit.
Most railway overhead electrifications do use the rails to carry the return current.
Trolleybuses require a second overhead wire to complete the circuit.
Also, electric trains like the Acela require such systems.
I don't follow , where is the second wire in this picture?
There is only one wire contacting the pantograph. Compared to this trolleybus, with two wires and dual trolley poles:
Greetings from Alberta
-an Articulate Malcontent
OK.....i see. Kind of like my house power (usa).
I have 120-VAC on the Black wire and Very Little/No Voltage on the white wire. The Rail or white wire simply carries current.
Thanks Again
OK.....i am not an electrician by any means, but with an electric train.......I often see what looks like just One Wire that powers the train.
Don't they need a second wire.?..... do they use one of the rails somehow.?
Thank You
Our community is FREE to join. To participate you must either login or register for an account.