Electric drive system cooling structure and electric drive system with same

The invention provides an electric drive system cooling structure and an electric drive system with the same, the electric drive system cooling structure comprises a rotor assembly cooling structure, and the rotor assembly cooling structure is characterized in that an oil cavity for accommodating oil is formed in a rotor shaft; the number of the dynamic balance plates is two, one of the two dynamic balance plates is provided with an oil inlet groove, the other of the two dynamic balance plates is provided with an oil outlet groove, one end, far away from the rotor shaft, of the oil outlet groove is provided with an oil throwing hole penetrating through the dynamic balance plates, the oil throwing hole is arranged close to a winding of the stator assembly, and the oil inlet groove is communicated with the oil cavity; a cooling oil channel is arranged in the rotor iron core group, and two ends of the cooling oil channel are respectively communicated with the oil inlet groove and the oil outlet groove; when the