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Power Systems Technical Articles

Our experts continuously work on power systems problems, and we share solutions with Practical Reference Articles.

The main topics are earthing system modeling, power cable ratings, HV/LV electrical design, protective device coordination, and arc flash studies. We cover IEC and IEEE standards.

Sign up for my email newsletter and I will send you the latest technical articles as they are released – Jayson Patrick

Photo of Jayson Patrick for Technical Articles page about electrical power systems Design

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Low Voltage Design
Earthing Design
High Voltage Cable Design
Arc Flash Studies
Software Comparisons
Electrical Software
ELEK Software Touch and Step Voltages to IEEE and IEC Standards 1170x585 - Articles - Earthing Design
8 mins read

Safety Limit Calculations to IEEE and IEC Standards

A safe earthing system design has two objectives; to provide a means to carry normal and fault current without exceeding equipment limits or adversely affect continuity of service and to reduce the risk of a person in the vicinity of an earthed facility being exposed to the danger of a critical electric shock.
ELEK Software GIS Substation by Siemens 1170x585 - Articles - Earthing Design
3 mins read

Earthing modelling of concrete slabs

Switchgear in substations is installed on top of concrete slabs containing substantial quantities of steel reinforcement. Often the embedded steel reinforcement is bonded to the main earthing system and used to cost-effectively improve earthing electrical performance and safety.
Lightning strike on substation and transmission tower
4 mins read

Transmission Line Tower Earthing Analysis

The purpose of transmission line grounding is to provide adequate lightning performance of the line; and effectively dissipate fault current avoiding the build-up of unsafe step and touch potentials around the tower base.
4 mins read

Use of Rods to Improve Grid Safety

To show how and when earthing rods can be used to improve the safety of earthing grids by reducing the grid resistance and potential rise (GPR) as well as surface, step and touch potentials.
2 mins read

How to model earthing surrounded with bentonite

How to model the influence of an additional substances like bentonite surrounding the conductors of a buried earthing system on grid resistance, touch and step voltages.
Drawing wind turbine earthing grid in 3D CAD - Articles - Earthing Design
3 mins read

Modelling Wind Turbine Earthing Grid in 3D

This tutorial is designed to help users of SafeGrid Earthing Software to learn about and practice the application of powerful operating principles.
2 mins read

Telecomm Mobile Repeater Station

The following tutorial is designed to help users of SafeGrid Earthing Software to learn about and practice the application of powerful operating tools and principles.
Earthing Design Software Screenshot
6 mins read

Extensive Study of Earthing Grids

An extensive study of earthing grids using SafeGrid software designed for determining performance of grids of arbitrary geometrical configuration in two layer soils has been undertaken. The study confirms work by Dawalibi and Mukhedkar undertaken using similar software called CDEGS®.
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