Method for determining a dynamic temperature distribution over the cross-section and length of a high-current cable

摘要

A method for determining a temperature distribution over the cross-section and the length of a high-current cable comprises the steps: - Creation of a thermoelectric equivalent circuit for each of the several high-current conductors, - Combining the thermoelectric equivalent circuits into an overall equivalent circuit, - Determining a first approximation of the temperature distribution over the cross-section and the length of a high-current cable;- detecting at least one temperature at one point of the high-current cable;- improving the overall equivalent circuit based on a comparison of the first approximation of the temperature distribution over the cross-section and length of a high-current cable with the detected temperature at a point on the high-current cable.