LPI Earthing Calculator

LPI Earthing Calculator

This calculator is used to give preliminary estimations for earthing installations in power system and lightning applications

This calculator is used to give preliminary estimations for earthing installations in power system and lightning applications

LPI Earthing Calculator

Global input

Horizontal Radials

Horizontal Radials Layout
Number of Bags of EEC
—
Earth Resistance (Ω)
No EEC
—
RESLO-20
—
SRIMPLUS-20
—

Vertical Earth Rods

Vertical Earth Rod Layout
Number of Bags of EEC
—
Earth Resistance (Ω)
No EEC
—
RESLO-20
—
SRIMPLUS-20
—

LPI Crow’s Foot Earth Grid

Crow's Foot Earth Grid Layout
Number of Bags of EEC
—
Earth Resistance (Ω)
No EEC
—
RESLO-20
—
SRIMPLUS-20
—

Constants

Electrode burial depth (mm)
500
Height of compound in trench (m)
0.03
Volume of 1 bag of EEC (m³)
0.0222
ρRESLO (Ωm)
0.53
ρSRIMPLUS (Ωm)
0.1
KRESLO & KSRIMPLUS
Computed dynamically from ρ, trench width, and constants

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Contact Our Engineering team​

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