Earth Fault - Leakage Current

Earth-fault leakage current for marine IT (isolated) distribution - the basis for alarm-setting on insulation-monitoring devices.

Earth faultLeakageIT system

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This calculator requires JavaScript to compute its result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

I_L = \frac{U_n}{\sqrt 3 X_C}, \quad X_C = \frac{1}{2\pi f C}

Symbol	Meaning	Unit
$U_n$	Nominal voltage	V
$C$	Network capacitance	µF

Source: IEC 60092-507

Earth-fault leakage current for marine IT (isolated) distribution - the basis for alarm-setting on insulation-monitoring devices.