Electric drive system, in particular for vehicles, comprising an electric motor, a power supply, a motor housing and a cylindrical housing of the power supply, wherein the power supply is arranged axially adjacent to the electric motor and around the rotation axis of the electric motor in the circumferential direction, in particular in an angular extent of 360°, characterized in that a. the housing of the power supply is subdivided into a plurality of disc elements in the axial direction, wherein each disc element is subdivided into at least two at least logical/electrical segments in the circumferential direction, wherein a logical/electrical interconnection is performed by the electrical interconnection of the battery cells which are arranged in the housing, wherein the total number of all of the at least logical/electrical segments which are situated one behind the other in a common circumferential position in the axial direction forms an energy storage module, operation of the electric motor already being possible with the said energy storage module alone, and b. at least one control circuit board is arranged between the opposite end faces of the motor housing and the housing of the power supply, which control circuit board is designed to distribute the power of the power supply to the stator energization system of the electric motor, in particular to distribute the said power with open-loop or closed-loop control, wherein c. the energy storage modules formed each form a respective autonomous functional module in conjunction with a dedicated electronics system on the at least one control circuit board, the said autonomous functional module alone being sufficient in order to operate the motor d. a dedicated control circuit board or a segment of a single control circuit board is associated with an energy storage module in each case, e. wherein overall a total power electronics system for controlling the electric motor is formed by the associated control circuit boards or by the segments of a single control circuit board, the respective combined sum voltages of the segments which are situated axially one behind the other in a common circumferential position bearing against the said total power electronics system, and the total power electronics system is formed by the sum of individual power electronics systems which are each able to operate the motor. a. the housing of the power supply is subdivided into a plurality of disc elements in the axial direction, wherein each disc element is subdivided into at least two at least logical/electrical segments in the circumferential direction, wherein a logical/electrical interconnection is performed by the electrical interconnection of the battery cells which are arranged in the housing, wherein the total number of all of the at least logical/electrical segments which are situated one behind the other in a common circumferential position in the axial direction forms an energy storage module, operation of the electric motor already being possible with the said energy storage module alone, and b. at least one control circuit board is arranged between the opposite end faces of the motor housing and the housing of the power supply, which control circuit board is designed to distribute the power of the power supply to the stator energization system of the electric motor, in particular to distribute the said power with open-loop or closed-loop control, wherein c. the energy storage modules formed each form a respective autonomous functional module in conjunction with a dedicated electronics system on the at least one control circuit board, the said autonomous functional module alone being sufficient in order to operate the motor d. a dedicated control circuit board or a segment of a single control circuit board is associated with an energy storage module in each case, e. wherein overall a total power electronics system for controlling the electric motor is formed by the associated control circuit boards or by the segments of a single control circuit board, the respective combined sum voltages of the segments which are situated axially one behind the other in a common circumferential position bearing against the said total power electronics system, and the total power electronics system is formed by the sum of individual power electronics systems which are each able to operate the motor.