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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
Comparison Of Safegrid with XGSLab and CDEGS - Popular
2 mins read

Comparison of SafeGrid with XGSLab and CDEGS Results

We have benchmarked our SafeGrid Earthing Software results for a 60 x 60 m grid against well-known software XGSLab™ and CDEGS™. We show that the results for grid resistance in multilayer soils up to 5 layers are virtually identical.
2 mins read

Save 75 % time and $3,366 using Cable Sizing Software

Accurately calculating voltage drop and cable size will save you time and money. We show you How and Why.
Voltage Rise Calculation Report Template 1170x585 - Popular
1 min read

Voltage Rise Report Template

Download the attached PDF report template and use it for your solar connection applications.
A group of thick black cables secured with zip ties is arranged in front of a metal support structure. Some cables are marked with blue or red labels.
4 mins read

Current Rating of Ten Cables Touching in Air

The standard HV cable rating calculation methods do not cover all real-world situations. This article proposes a new method of finding the current rating for 10 cables touching in the air.
A graph showing the power station's voltage.
6 mins read

Earthing Software Benchmark Study

The Annex H in IEEE Standard 80-2013 contains benchmark case results for comparing and evaluating software tools and methodologies used for the analysis of substation earthing. The results compare the simple equations from IEEE Std 80 with the results given by some of the commercially available software such as CDEGS, ETAP, SGW, SDWorkstation and WinIGS.
2 mins read

Teaching using Electrical Software

Industry is using software to perform electrical calculations and Educational institutions have recognised this
Electrical substation in snow ELEK Software for earthing design 1170x585 - Popular
3 mins read

Earth Grid Design for Frozen Soils

Soil resistivity is one of the most critical factors affecting earthing and grounding system performance and safety. In cold climates, the top-soil layers may be frozen during the winter or spring seasons, and resistivity may increase to as high as 10,000 Ω.m in the frozen soil layers. This can give rise to significant touch voltage hazards during an earth fault.
3 mins read

7 Key Questions to Answer When Buying Electrical Calculations Software

There are many different electrical engineering software packages available throughout the market that are built to different standards. Here is a list of the 7 key questions to answer before purchasing electrical design software.
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.
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