SYSTEM FOR CONTROLLING THE CATENARY MAINS POWER SUPPLY OF A RAILWAY INFRASTRUCTURE

System for controlling the electrical supply of a catenary sector of a railway infrastructure, from a substation supplying a supply domain for this infrastructure, the system according to the invention comprising means for detecting a train circulation in the supply domain, and means for controlling the substation so that the catenary sector is electrically supplied as long as a circulation is detected in the supply domain.