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Home » Electrical Earthing » Earth Testing

Earth Testing

31/08/2021 By Ian Leave a Comment

Earth Testing | A guide to avoid the common mistakes

why am I getting a hot site?

Testing an Earth/ground electrode is usually the final piece of the puzzle. Measuring the earth electrode’s resistance can verify and validate the design. The Earth measurement verifies that all the safety-critical calculations, assumptions and solutions made during the design phase match its predicted performance in the physical world.

Earth testing can easily introduce errors that very often go unnoticed.

Earth testing is usually called for towards the latter stages of a project build. Either to confirm a safe state for a system energisation or in order to get a project completed and handed over to the client/owner. In both scenarios, there’s usually a lot riding on the successful outcome of an Earth test. Mistakes made towards the final stages of any build can have a massive impact on reputations, nerves and relationships.

[Read more…] about Earth Testing | A guide to avoid the common mistakes

Filed Under: Earth Testing Tagged With: EN50522, Soil Resistivity Testing

30/10/2019 By Ian Leave a Comment

Why Ground Testing is Important to Maintain Adequate Grounding And Bonding

Soil Resistivity Testing

Ground testing is typically performed in two stages. The first is conducted during the construction of a building to ensure proper installation of the electrical system. And the second involves routine ground testing to ensure the ‘actual’ arrangements perform as ‘predicted’ at the design stage. Thus, to avoid costly and fatal errors.

[Read more…] about Why Ground Testing is Important to Maintain Adequate Grounding And Bonding

Filed Under: Earth Testing Tagged With: Earth Testing, earthing and bonding, ground testing, Grounding

11/04/2019 By Hugh Leave a Comment

How do I know my 1950’s earthing arrangements are still keeping my workforce safe?

Are Vintage Earthing Arrangements Safe?

I thought I’d continue from my last blog piece talking about heavy current injection earth testing. By talking about a key application where it can potentially deliver much better results than the modern CDEGS approach. Therefore, on your earthing arrangements.

Many industrial sites built in the 1950s and 60s as industrialisation grew. This, in line with the expansion of the electrical grid. Led to a huge program of electrical substation construction around the world. What this means is that some of us own the responsibility of managing sites with ageing transformers, assets and equipment. Thus the design to obsolete standards? Therefore to know what hazard this presents today, is simply unknown.

[Read more…] about How do I know my 1950’s earthing arrangements are still keeping my workforce safe?

Filed Under: Earth Testing Tagged With: Earthing Arrangements, earthing protection, earthing standards, Earthing system design

28/02/2019 By Hugh Leave a Comment

Test large electrode systems using heavy current – for more accurate earth electrode resistance measurements

earth electrode systems testing

I recently attended a training session with Omicron in Germany. So, looking at their primary injection test set for earth electrode and line impedance systems testing. I looked at how to set up a current injection. Potentially up to 100 A. Also, down an Overhead line or Feeder cable. To achieve good separation between the electrode under test and the auxiliary electrode.

Previously, test methods have relied on dedicated cables for the measurement. Which, has limited the available area to deploy the auxiliary electrode. Owing to land usage constraints and roads. So, being able to use something in a built-up environment on electrically large High Voltage systems. Thus, avoiding road closures. etc. Therefore, comes as a breath of fresh air to a lot of engineers facing this problem.

[Read more…] about Test large electrode systems using heavy current – for more accurate earth electrode resistance measurements

Filed Under: Earth Testing Tagged With: earth electrode, Earth Electrode Systems, high voltage (HV), HV Voltage

25/05/2017 By Hugh Leave a Comment

Electrical Earthing Testing in Urban Environments

Electrical Earthing Testing in Urban Environments

Electrical earthing testing.  We are asked frequently – How do you test an Earth arrangement in London?

What is Electrical Earthing Testing?

Electrical earthing, or grounding, refers to the practice of intentionally connecting a conductor to the ground for safety and functional purposes. Electrical earthing testing is the process of testing the effectiveness of the electrical earthing system in a building or other structure to ensure that it is adequately protecting people and equipment from the risks associated with electrical fault currents. This can include testing the resistance of the earthing system to ensure that it can safely conduct fault currents, as well as testing the continuity and integrity of the earthing conductor. Electrical earthing testing is typically carried out by electricians or other qualified professionals using specialized test equipment.

[Read more…] about Electrical Earthing Testing in Urban Environments

Filed Under: Earth Testing Tagged With: BS EN 50522, EIC/EN50522, EMI, EN50122-1, IEC 60079-32-1, IEEE, IEEE std.80, TS 41-24

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