Fault Current

Calculate Fault Current instantly with the exact formula and a worked example.

Fault Current

U, V
Z to point, Ω
Short-circuit I
8kA
I = U/ZCalculate Fault Current instantly with the exact formula and a worked example.
I_fault
8 kA

More about: Fault Current

What it calculates

The “Fault Current” calculator computes Short-circuit I in kA from 2 parameters: u, v, z to point, ω.

A standard physics formula used in educational and engineering tasks.

Example calculation

With parameters U, V = 400, Z to point, Ω = 0.05 the result is 8 kA (I = U/Z).

How to use

  1. Enter u, v and z to point, ω — each field above is adjustable with a slider.
  2. Short-circuit I (kA) is calculated automatically as you type.
  3. Check the worked example below to see the formula applied to real numbers.
  4. Copy the result or bookmark this calculator.

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FAQ

How is Fault Current calculated?
The Fault Current calculator computes Short-circuit I (in kA) from u, v, z to point, ω. Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Fault Current calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.

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