Abstract: A computer-implemented method for simulating an electric drive by means of at least one processing unit of a hardware-in-the-loop simulator, A model of the electric drive ha an inverter powered by a DC voltage source with at least one half-bridge having at least two semiconductor switches and an electric motor having an electrical winding resistance and a winding inductance. A center tap having a center tap voltage of the half-bridge is connected by means of a supply line having a supply line current to a motor connection of the electric motor. By actuating the semiconductor switches, the motor connection can be connected either to an electrical potential of the DC voltage source with an open semiconductor switch in a conductive state of the inverter or the motor connection can be unlocked in terms of potential in an open state of the inverter with at least two semiconductor switches open.

Abstract: A method for emulating a three-phase, brushless DC motor using a load emulator that is connected in a three-phase manner via load terminals to supply terminals of a motor control unit. The load emulator has emulator power electronics and an emulator control unit for controlling the emulator power electronics. The emulator control unit determines the supply terminals that are actuated by the motor control unit and the supply terminals that are not actuated, and the emulator power electronics are actuated by the emulator control unit in such a way that phase currents calculated by the emulator control unit on the basis of a motor model flow in the supply terminals that are actuated by the motor control unit and a phase voltage calculated by the emulator control unit on the basis of a motor model is applied to the supply terminal that is not actuated by the motor control unit.

Abstract: A method for emulating a three-phase electric motor using a load emulator, wherein the load emulator is connected in a three-phase manner via its load terminals to the supply terminals of a motor controller. The load emulator has emulator power electronics and an emulator controller for controlling the emulator power electronics. The emulator controller determines the supply terminals that are driven by the motor controller and the supply terminals that are not driven. The emulator power electronics are driven by the emulator controller in such a manner that phase currents calculated by the emulator controller on the basis of a motor model flow in the supply terminals that are driven by the motor controller. A phase voltage calculated by the emulator controller on the basis of a motor model is applied to the supply terminal that is not driven by the motor controller.

Abstract: A method for emulating a three-phase electric motor using a load emulator, wherein the load emulator is connected in a three-phase manner via its load terminals to the supply terminals of a motor controller. The load emulator has emulator power electronics and an emulator controller for controlling the emulator power electronics. The emulator controller determines the supply terminals that are driven by the motor controller and the supply terminals that are not driven. The emulator power electronics are driven by the emulator controller in such a manner that phase currents calculated by the emulator controller on the basis of a motor model flow in the supply terminals that are driven by the motor controller. A phase voltage calculated by the emulator controller on the basis of a motor model is applied to the supply terminal that is not driven by the motor controller.

Abstract: A method for emulating a three-phase, brushless DC motor using a load emulator that is connected in a three-phase manner via load terminals to supply terminals of a motor control unit. The load emulator has emulator power electronics and an emulator control unit for controlling the emulator power electronics. The emulator control unit determines the supply terminals that are actuated by the motor control unit and the supply terminals that are not actuated, and the emulator power electronics are actuated by the emulator control unit in such a way that phase currents calculated by the emulator control unit on the basis of a motor model flow in the supply terminals that are actuated by the motor control unit and a phase voltage calculated by the emulator control unit on the basis of a motor model is applied to the supply terminal that is not actuated by the motor control unit.