Figure 8.
The image presents a line graph with time in seconds on the horizontal axis, ranging from 0 to 0.18 seconds, and current in amperes on the vertical axis, spanning from negative 15 to positive 15. Four traces are plotted: one for the measurement, and three for simulation runs with step sizes of 1 × 10 to the power of negative 6, 1 × 10 to the power of negative 5, and 1 × 10 to the power of negative 4. The measurement trace follows a waveform pattern with pronounced peaks and troughs, particularly between 0.04 and 0.06 seconds. The simulation traces closely follow the measurement but show minor deviations depending on the step size, allowing for direct comparison of accuracy and stability across the different step settings.Numerical stability investigation of the Jiles–Atherton model based on the transformer
Note(s): The voltage is applied. With increasing solver step-size the numerical artefacts become more visible. The simulation result with a step-size of seconds is not feasible
Source: Authors’ own work