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Home » EN 50522

EN 50522

26/09/2019 By Ian Leave a Comment

Earth Testing Procedures in Urban Environments

Electrical earth testing can be a real challenge in built-up areas. Not only are there very few soft areas to deploy the test probes, but underground cabling and conductive structures are everywhere. These two factors massively affect the measured readings leading to measured values that bear no relation to the actual electrode tested.  Therefore, what follows is the Earth Testing Procedures Greymatters adopts.

Step 1

Follow the guidance in HSG47. The city or town’s infrastructure produces large amounts of in-ground noise and interference. Mitigation by reading buried service/cable records. Observing signs of previous excavations; and use a cable avoidance tool (CAT) can make sense of where the structures are.

[Read more…] about Earth Testing Procedures in Urban Environments

Filed Under: Electrical Earthing Tagged With: Earth Testing, EN 50522, Remote Finite Element Analysis Earth Testing

23/02/2017 By Ian Leave a Comment

Earthing Calculations for Safe System Design

Earthing calculations

Earthing Calculations regarding your safety – you’re overdue an update!

If 1-ohm is still in circulation on your documentation then this section applies to you.

Even though the Earthing Calculations for determining a safe System Earth (Ground) has shifted away from an arbitrary resistance figure, usually <1 ohm.  It’s still all too common to see this outdated measure of installed success appear on client/employer requirement specifications(ER’s). As part of the Earthing Calculations Design Safety brief.

[Read more…] about Earthing Calculations for Safe System Design

Filed Under: Earthing System Design Tagged With: BS7430, CDEGS, earth potential rise, earthing systems, Electrical Earthing System Design, EN 50522, EPR

17/09/2015 By Ian Leave a Comment

How to avoid a stay at “Her majesty’s pleasure” Inspect your Electrical Earthing System

Electrical Earthing System Warning

So you’ve had your Electrical Earthing System designed by a professional, installed diligently by a competent contractor and had it verified to confirm the Earthing will protect lives in the event of a fault!  – Job done, right?

Nearly… but the story doesn’t stop there! [Read more…] about How to avoid a stay at “Her majesty’s pleasure” Inspect your Electrical Earthing System

Filed Under: Electrical Earthing Tagged With: automated monitoring system, BS7430, Critical Assets, earthing systems, Earthing/Grounding, EN 50522, enhanced corrosion, ground structures, ISO 55 000, remote monitor

09/04/2015 By Ian Leave a Comment

50 Shades Freed – Unleashing CDEGS!

CDEGS earthing plot

During my previous blog, where we explored the analogy of the car when comparing to Earthing Studies using CDEGS – if your project is a high value, critical asset, and/or infrastructure effecting large populations – then this is likely to require a more demanding level of performance in the foundational design data. [Read more…] about 50 Shades Freed – Unleashing CDEGS!

Filed Under: CDEGS Tagged With: 50122-1, BS7430, CDEGS, earth electrode, earth systems, Earthing, earthing design, Electromagnetic Field Theory, electromagnetic interference, EMF, EMI, EN 50522, greymatters, HI-FREQ, MALT, MALZ, safety earth, soil structure

26/03/2015 By Ian Leave a Comment

50 Shades Darker – CDEGS Myths Busted!

LaFerrari

CDEGS Modelling Software demystified!

It’s interesting how the psychology of the car has found a place in our daily lives.  How many times have you asked or been asked ‘what car do you drive?’ [Read more…] about 50 Shades Darker – CDEGS Myths Busted!

Filed Under: CDEGS Tagged With: 50122-1, BS7430, CDEGS, earth electrode, earth systems, Earthing, earthing design, Electromagnetic Field Theory, electromagnetic interference, EMF, EMI, EN 50522, greymatters, HI-FREQ, MALT, MALZ, safety earth, soil structure

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