25kV overhead supply

[Tedzed1]

Hello Rob, you might find this interesting:

http://en.wikipedia.org/wiki/25_kV_AC_ra...rification

and This:

http://en.wikipedia.org/wiki/Traction_substation

http://en.wikipedia.org/wiki/Railway_ele...ion_system

http://en.wikipedia.org/wiki/Railway_ele...at_Britain