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Technical Articles

Earthing and separation for underground coal mines

May 14, 2020
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| Categories: Uncategorized

This article is intended to provide a brief overview and of earthing in underground coal mines, and the practicalities and requirement of separation. For a general description and introduction to earthing, read the Introduction To Electrical Earthing article. For a guide to applying the most appropriate testing methodology to assess your earthing system read the…

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AS4853 ELECTRICAL HAZARD ASSESSMENT

May 15, 2019
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| Categories: Earthing
Pipeline Hifreq

AS4853 electrical hazard assessment

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Earthing and separation for underground coal mines

August 1, 2017
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| Categories: Earthing

This article is intended to provide a brief overview and of earthing in underground coal mines, and the practicalities and requirement of separation. For a general description and introduction to earthing, read the Introduction To Electrical Earthing article. For a guide to applying the most appropriate testing methodology to assess your earthing system read the…

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Feeder Outages for Earthing System Current Injection Testing

March 7, 2017
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| Categories: Earthing, Testing

This article is intended to provide a brief overview and methodology of the application of Current Injection Testing to earthing system assessment. For a general description and introduction to earthing, read the Introduction To Electrical Earthing article. For a guide to applying the most appropriate testing methodology to assess your earthing system read the Application…

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Third Party Interference: EPR and LFI

October 18, 2016
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| Categories: Earthing

Third party interference is the term used to describe electrical hazards from electrical transmission and distribution assets causing voltages and currents on nearby assets owned by third party utilities, these may include: Low Frequency Induction (LFI) onto parallel metallic objects such as fences, conveyors, pipelines, telecommunications cables Electrostatic Induction onto metallic objects placed (unearthed) beneath HV…

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Current Injection Testing for Earthing and Grounding Assessment

October 18, 2016
| 2 Comments
| Categories: Earthing
current injection testing

This article is intended to provide a brief overview and methodology of the application of Current Injection Testing to earthing system assessment. For a general description and introduction to earthing, read the Introduction To Electrical Earthing article. For a guide to applying the most appropriate testing methodology to assess your earthing system read the Application…

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Separate or Common Bonded Earthing for Distribution Assets

June 30, 2016
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| Categories: Earthing

For a general description and introduction to earthing, read the article Introduction to Electrical Earthing. This article gives and introduction to common bonded vs separated electrical earthing systems. Earthing systems may be stand-alone (with no other metallic connections), or they may be connected together to a form a larger, common bonded earthing system. With the…

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Electrical Earthing System Testing – Application Guide

June 24, 2016
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| Categories: Earthing

For a general description and introduction to grounding, read the Introduction To Grounding article on this site. This guide to Grounding System Testing is intended to help address the following: How to test an electrical grounding system What test method is best Testing Options This article will briefly discuss the following test methods commonly associated…

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Introduction to Electrical Earthing Systems

June 24, 2016
| 3 Comments
| Categories: Earthing

This article will give an introduction to electrical earthing (or grounding). In order to understand what earthing is and the role it plays in a power system, its important to first appreciate power systems faults and the hazards they can cause. Electrical Hazards Around Substations It is generally known that electricity presents an inherent risk to…

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About Zero Sequence

Zero Sequence Earthing is a specialist electrical engineering consultancy offering earthing and lightning protection design and testing services. Our team have had many years of experience in this field, and we pride ourselves on our high level of technical quality, excellent value for money and a strong focus on customer service.

Zero Sequence Earthing

Cnr Barton & Merthyr St Kurri Kurri NSW 2327

Phone:+61 0434 190 272

E-mail:info@ZSearthing.com

Website:www.ZSearthing.com

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