Calcs

Short-Circuit Current Calculator

Estimate three-phase and single-phase fault current, motor backfeed and peak current using a simplified IEC 60909 impedance model. Compare duty with breaker capacity.

Truss Analysis Calculator

Analyze 2D pin-jointed trusses by the direct stiffness method. Calculate member forces, stresses, support reactions and joint displacements with force-coloured diagrams.

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