CPC G06F 30/27 (2020.01) | 15 Claims |
14. An arrangement for determining an operating behavior of an electric rotating machine connected to an operating voltage, the arrangement comprising:
a processing facility;
a sensor apparatus embodied to detect a stray magnetic field outside of the electric rotating machine and to calculate a slip frequency and a synchronous frequency from the detected stray magnetic field and to transfer the calculated slip frequency and synchronous frequency to the processing facility;
a simulation model of the electric rotating machine stored on the processing facility, the simulation model provided by a computer program, the computer program comprising corresponding commands which, when executed by a computer, causes the computer to:
obtain input data;
determine parameter values defining the simulation model from the input data with the help of a trained function, wherein the trained function was trained by training input and training output data, the training input data being characteristic of electric rotating machines, is collectable using the electric rotating machines in a state in which the electric rotating machines are not connected to an operating voltage and comprises shaft heights and numbers of pole pairs of the machines, wherein the training output data comprises loss and stray coefficients of the electric rotating machines and is representative of parameter values which define simulation models of the electric rotating machines;
determine with the trained function, loss and stray coefficients of the electric rotating machine based on the shaft height and the number of pole pairs of the electric rotating machine, wherein the parameter values are determined from the determined loss and stray coefficients and the rating plate specifications; and
the processing facility configured to determine a slip and then by the simulation model provided by the computer program, the operating behavior of the electric rotating machine using the calculated slip and synchronous frequency.
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