Accurately calculate the inductance of grounding straps using our free online tool. Essential for designing effective lightning protection, surge suppression, and EMI shielding systems. Understand how strap dimensions impact impedance to ensure safety and performance in electrical installations.
Formula:
The inductance (L) of a straight flat conductor (grounding strap) can be approximated using the following formula, particularly useful for high-frequency considerations in EMC and lightning protection:
L (nH) = 2 × l × [ ln(2l / (w + t)) + 0.5 + (w + t) / (2l) ]
Where:
- L = Inductance in nanohenries (nH)
- l = Length of the grounding strap (in cm)
- w = Width of the grounding strap (in cm)
- t = Thickness of the grounding strap (in cm)
- ln = Natural logarithm