Vehicle with current collector

A vehicle, comprising:

• a current collector for feeding traction energy from a two-pole overhead contact line system;
• an electric or hybrid-electric traction drive carried by a non-grounded vehicle frame;
• an electrical energy storage device for intermediately storing traction energy fed in through said current collector;
• a first line branch for connecting said traction drive to said current collector;
• a second line branch for connecting said traction drive and said energy storage device to said current collector, and a galvanically isolating DC converter interposed in said second line branch;
• a first switching element for selectively opening and closing said first line branch connected upstream of said traction drive;
• a third line branch for connecting said traction drive and said energy storage device to said current collector, and a galvanically non-isolating DC converter interposed in said third line branch;
• a second switching element for opening and closing said second and third line branches connected upstream of said traction drive;
• a third switching element for opening and closing said third line branch connected upstream of said galvanically non-isolating DC converter;
• said first line branch, said second line branch, and said third line branch being connected in parallel;
• a speed measuring device for detecting a vehicle speed;
• and
• a control facility configured to control said first switching element, said second switching element, and said third switching element in dependence upon the measured vehicle speed according to the following:
• below a predeterminable threshold value for the vehicle speed, to open said first switching element and said third switching element, and to close said second switching element;
• and
• above the threshold value for the vehicle speed, to close said first switching element and to open said second switching element.