System for contactlessly transmitting electrical power from a primary conductor to a winding that is arranged on a mobile component which is movable along a travel surface, in particular arranged on the side of the mobile component facing the primary conductor, in particular the underside thereof, the primary conductor having primary-conductor portions, which are electrically connected to one another or via a respective permutation point (70, 71, 72), the primary conductor having three lines, in particular lines laid in parallel with one another and with the travel surface, a second of the primary-conductor portions being arranged in parallel with a first of the primary-conductor portions, in particular the first primary-conductor portion acting as a forward conductor and the second acting as a return conductor, each of the lines of the first primary-conductor portion being at a respective spacing from the second primary-conductor portion, each of the lines of the second primary-conductor portion being at a respective distance from the first primary-conductor portion, the aforementioned spacings of the lines being different from one another in the first primary-conductor portion, the aforementioned distances of the lines being different from one another in the second primary-conductor portion, a first of the lines being at the greatest spacing from the second primary-conductor portion in the first primary-conductor portion, and this first line being at the greatest distance from the first primary-conductor portion in the second primary-conductor portion, the magnitude of said spacing and the magnitude of said distance in particular being the same, characterised in that the first primary-conductor portion is electrically connected to the second primary-conductor portion via a permutation point (70, 71, 72) such that a second line has a smaller aforementioned spacing than a third line in the first primary-conductor portion and the second line has a greater aforementioned distance than the third line in the second primary-conductor portion. the primary conductor having primary-conductor portions, which are electrically connected to one another or via a respective permutation point (70, 71, 72), the primary conductor having three lines, in particular lines laid in parallel with one another and with the travel surface, a second of the primary-conductor portions being arranged in parallel with a first of the primary-conductor portions, in particular the first primary-conductor portion acting as a forward conductor and the second acting as a return conductor, each of the lines of the first primary-conductor portion being at a respective spacing from the second primary-conductor portion, each of the lines of the second primary-conductor portion being at a respective distance from the first primary-conductor portion, the aforementioned spacings of the lines being different from one another in the first primary-conductor portion, the aforementioned distances of the lines being different from one another in the second primary-conductor portion, a first of the lines being at the greatest spacing from the second primary-conductor portion in the first primary-conductor portion, and this first line being at the greatest distance from the first primary-conductor portion in the second primary-conductor portion, the magnitude of said spacing and the magnitude of said distance in particular being the same, characterised in that the first primary-conductor portion is electrically connected to the second primary-conductor portion via a permutation point (70, 71, 72) such that a second line has a smaller aforementioned spacing than a third line in the first primary-conductor portion and the second line has a greater aforementioned distance than the third line in the second primary-conductor portion.