Scientists from Omsk State Transport University have patented a current collector for electric trains and trams that automatically adjusts to the speed of movement and the force of the headwind. This improves contact with the wire and reduces wear.
Omsk engineers added two sensors to the design. One measures the train's speed, the other measures the speed of the oncoming air. Signals are sent to a control unit, which changes the pressure on the wire via a pressure regulator. The stronger the oncoming flow, the tighter the current collection element presses.
The result is more stable contact, fewer sparks, and a longer service life for the equipment. The patent has already been obtained. The development can be used on any electric transport: from trams to high-speed trains.
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