This calculator is designed for electrical engineers and technicians to compute the short circuit current in power systems, ensuring safety and compliance with engineering standards.
All calculations are based on the IEEE 1584 Guide for Performing Arc-Flash Hazard Calculations, 2018 Edition. "All calculations are strictly based on the formulas and data provided by this source."
Short Circuit Current: \( I_{sc} = \frac{V}{Z} \)
Consider a system with a voltage of 480V and a total impedance of 0.05Ω. Using the formula \( I_{sc} = \frac{V}{Z} \), the short circuit current is calculated as \( \frac{480}{0.05} = 9600 \) Amperes.
Short circuit current refers to the current that flows when the terminals of a power source are shorted.
Use the formula \( I_{sc} = \frac{V}{Z} \), where V is the system voltage and Z is the total system impedance.