Tethered-wing traction system and method for moving carriages

A tethered-wing traction system comprising:

• a traction wing (5) to generate a traction force under the effect of the wind, the traction wing (5) having a leading edge (16) and a trailing edge (17);
• a base platform (3) connected to the traction wing via a traction line (8), the traction wing (5) to be deployed and folded in relation to the base platform (3);
• a mooring mast (4) for the traction wing (5), disposed on the base platform (3);
• multiple folding lines (10A, 10B, 10C) each having an end fixed to the leading edge (16) of the traction wing (5), the ends being spaced apart from one another along the leading edge (16);
• a furling line (13) connected to the trailing edge (17) of the traction wing (5);
• a mooring carriage (12B) designed to slide along the mooring mast (4) and controlled by a slide actuator (66B), the mooring carriage (12B) having an engagement interface (35) designed to keep the leading edge (16) of the traction wing (5) moored;
• a folding carriage (12C, 12D, 12E) to slide along the mooring mast (4) and controlled by a slide actuator (66C, 66D, 66E), the folding carriage (12C, 12D, 12E) having a capturing device (46A, 46B, 46C) to capture at least one folding line (10A, 10B, 10C);
• a furling carriage (12A) to slide along the mooring mast (4) and controlled by a slide actuator (66A), the furling carriage (12A) having a capturing device (47) to capture the furling line (13);
• a control module (64) for controlling said slide actuators (66A, 66B, 66C, 66D, 66E), the control module (64) having at least the following two modes of operation:
• a folding mode in which the mooring carriage (12B) and the folding carriage (12C, 12D, 12E) are moved away from one another;
• a furling mode in which the furling carriage (12A) and the mooring carriage (12B) are moved away from one another.