The application relates to a system for conveying a medium having not less than two working machines (2, 2a, 2b, 2c) that each have not less than one carrier shaft (25, 35) with transport elements (22, 32) for the medium to be conveyed arranged on them, and not less than one drive (3, 3a, 3b, 3c) that sets the respective carrier shaft (25, 35) in rotation, with multiple working machines (2, 2a, 2b, 2c) connected in series, so that the medium is conveyed to a working machine (2, 2a, 2b, 2c) arranged downstream, and so that a separate drive (3, 3a, 3b, 3c) is assigned to each of the working machines (2, 2a, 2b, 2c) and that the drives (3, 3a, 3b, 3c) are connected in parallel with each other and connected to a common power supply system (5).