Short-Circuit Current – Calculation of Effects
The primtech tool – short-circuit current calculation of effects (according to IEC 60865-1:2011) – calculates the forces resulting from given short circuit currents.
The forces calculated are short-circuit tensile forces, drop forces and additionally occurring pinch forces in conductor bundles, as well as the resulting forces and bending stress in tubes (for rigid conductors). Additionally, the conductor displacement caused by swing-out and the resulting minimum distance (minimum air clearance) are output.
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Frequently Asked Questions
The primtech tool for short-circuit current calculation of effects works according to IEC 60865-1:2011 and calculates the forces resulting from given short circuit currents.
Short-circuit tensile forces, drop forces and additionally occurring pinch forces in conductor bundles, as well as the resulting forces and bending stress in tubes (for rigid conductors). The conductor displacement caused by swing-out and the resulting minimum distance (minimum air clearance) are also output.
Yes, optionally. The optimum sag is determined in combination with the calculation of short-circuit current effects and sag calculation, where the lowest max forces occur.
The results can be output to an Excel table. To make the calculations transparent, the input parameters and the relevant interim results are output as well.
At any time during the whole substation design process – for example already in concept design for the rough dimensioning of substructure or foundations, or to check the impact of design changes on the tensile forces.
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