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Electrical Earthing System Design & Soil Resistivity Testing

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A Round-Up of The 10 Most Read Posts of 2016

Well, 2016 was an exciting year for the team at GreyMatters. So, at the end of 2015, we set goals on what we wanted to achieve in 2016. Part of the plan was to focus on establishing this blog channel as an authority on Electrical Earthing Design and Lightning Protection.  Something that can be referred to and although some of the concepts are considered complex, the style of writing is hopefully easy to read and informative.

This post is a round-up of the ten most read posts of 2016, and interestingly not all of the most read posts are initially published in 2016 (you may have missed it). [Read more…] about A Round-Up of The 10 Most Read Posts of 2016

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Why Greymatters Consultants Use CDGEGS HIFREQ Earth Modelling Software

Clients often ask us why we use CDEGS HIFREQ instead of any of the other packages available in the market. And our usual response is simply. “It’s the market leading product (Top 1%)”. So, I thought it might be useful to quantify exactly why it is the leading product and also why it commands a leading price. In addition, to demonstrate how some of the less capable products leave you and your staff exposed to unquantified risks. [Read more…] about Why Greymatters Consultants Use CDGEGS HIFREQ Earth Modelling Software

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Soil Resistivity Testing in the Wet – Ninja Tricks to Help You Spot the Enemy

Soil Resistivity Testing in the wet particularly saturated ground. Has the potential for many problems.

Here are some ninja tricks to help you spot the enemy lurking in the damp…

Soil Resistivity Testing is the absolute starting point for pretty much everything to do with design for Earthing, grounding and lightning protection. (click link to flow chart) This is chiefly because all these type of systems are connected to earth and rely on the quality of this interface.  Therefore, understanding the soil resistivity and what the representative ‘Soil Model’ will look like is without doubt the single most important foundation to all subsequent safety calculations. [Read more…] about Soil Resistivity Testing in the Wet – Ninja Tricks to Help You Spot the Enemy

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What is Soil Resistivity Testing & Why is it Important to Safe Electrical Earthing Design

What is Soil Resistivity?

Soil resistivity is a measure of how much the soil resists the flow of electricity. It is a critical factor in design of systems that rely on passing current through the Earth’s surface. An understanding of the soil resistivity and how it varies with depth in the soil is necessary to design the electrical earthing system in an electrical substation, or for lightning conductors. [Read more…] about What is Soil Resistivity Testing & Why is it Important to Safe Electrical Earthing Design

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Electrical Earthing System Design Separation

During a recent training event held by SES Technologies for CDEGS (Current Distribution, Electromagnetic Fields, Grounding and Soil Structure Analysis) – a finite element analysis software suite for Electrical Earthing System Design … a number of issues were discussed, but one that crops up time and time again in the UK was that old chestnut in Electrical Earthing System Design Separation. [Read more…] about Electrical Earthing System Design Separation

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