Technical Publications

PDF Reports Available to Download

Low Voltage Design

PDF
(397 kb)

Develop a better understanding for performing the electrical design calculations.

PDF
(268 kb)

Economic cable sizing equations and examples are provided in this paper.

High Voltage Cable Design

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(328 kb)

Derating of buried cables which cross with heat sources and other cables.

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(857 kb)

Review of factors affecting power cable ratings using Cable High Voltage Software.

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(452 kb)

Magnetic field calculations and the factors affecting magnetic fields. The recommended safe limits are presented.

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(717 kb)

The transient emergency and cyclic ratings of cables to IEC Standards are presented.

PDF
(705 kb)

Provides optimised phasing arrangements for various single core cable configurations to minimise the magnetic field.

Earthing Design

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(571 kb)

How to determine an accurate soil resistivity model.

PDF
(252 kb)

Provides the equations using the Rolling Sphere Method.

PDF
(497 kb)

Equations for calculating safe touch and step voltage limits.

PDF
(352 kb)

Parametric Analysis of Simple Earthing Grids Containing Rods

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(464 kb)

Effects of rods on potential plots and grid resistance investigated.

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(1.22 Mb)

Parametric study of earthing system performance.

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(1.44 Mb)

Use of rods to ensure Rgrid < 5 Ohms.

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(1.27 Mb)

Tutorial on how to import and model custom buried earthing systems using SafeGrid Earthing Software.

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(1.12 Mb)

Use of vertical rods to reduce grid resistance, GPR and improve the safety of earthing grids by reducing step and touch potentials.

General

PDF
(517 kb)

This technical report provides detailed information about the steady-state and dynamic behaviour of wind turbine generators.

CUSTOMERS

The following clients are using Electrotechnik software products.