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Earthing Modelling & Design

Ensuring Safe and Reliable Earthing Systems

Innovative electrical earthing solutions for safety and compliance. At Engineering Power Solutions (EPS), we provide tailored earthing design services across the UK and beyond. Working as an extension of your electrical engineering department, we identify areas of electrical risk, protect critical power generation assets, and improve health and safety across your operations.

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Touch Voltage Diagram from an EPS earthing study

Our Capabilities

  • Electrical Earthing System Design
  • Soil Resistivity Testing
  • Earth Rise Potential (EPR) Studies
  • Touch & Step Voltage Calculations
  • CAD Drawings & Earthing Layouts
  • Stray Current Studies
  • Earthing Policy Formulation
  • Post-Construction Audits
  • Fault Current Distribution Modelling
  • Rise of Earth Potential (ROEP) Studies
  • Onsite Fall of Potential (FOP) Measurements
  • Interference Studies
  • Onsite Surveys & Assessments
  • Identification of Surface Voltages (‘Hot Zones’)
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Comprehensive Earthing Design for All Environments

EPS’s earthing modelling & design services help ensure the safety and reliability of your energy projects. As a trusted partner, we’ll safeguard your workforce and electrical assets from faults and lightning strikes. Our power system consultants work to all relevant industry standards, and our processes are built around your requirements and site-specific conditions.

Advanced System Modelling for Optimal Performance

EPS leverages industry-leading software such as Current Distribtion, Electromagetic, Grounding, and Soil (CDEGS) analysis and Finite Element Analysis (FES) to deliver bespoke earthing solutions.

Our earthing specialists follow a robust and flexible design process that can accommodate a wide range of electrical safety requirements and ensure compliance while meeting the unique needs of your application.

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An EPS design consultant conducting a soil resistivity test for an Earthing Project.

Electrical Earthing Design Standards & Codes of Practice

Our earthing design systems comply with UK and international design standards and best practices for electrical safety.

  • BS EN 50522: Earthing of power installations exceeding 1 kV ac.
  • IEEE Standard 80-81: Safety in AC Substation Grounding.
  • BS 7340: Code of Practice for Protective Earthing of Electrical Installations.
  • ENA TS 41–24: Guidelines for the design, installation, testing, and maintenance of main earthing systems in substations.
  • BS EN 50122: Railway applications Electrical safety, earthing, and the return circuit.
  • EA Engineering Recommendation S34: ‘A Guide for Assessing the Rise of Earth Potential at Substation Sites’.
  • EA Engineering Recommendation S36: Procedure to identify and record “hot’ substations.
  • IEC 479-1: Effects of Current on Human Beings and Livestock.
  • ISIS Practice EPT/PPS/B014: Working Practices at Electricity Stations.

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Why choose EPS?

 

Our team of CDEGs-trained research engineers and earthing consultants has over 11 years of experience delivering earthing design solutions to the highest UK, IEC, IEEE, and international electrical safety standards. When you start a project with us, we work closely with you, offering live updates and delivering detailed technical reports to ensure transparency and alignment at every stage.

 

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