Earthling of Utility and Industrial Distribution System

  • Start Date

    15 Feb, 2022

  • End Date

    18 Feb, 2022

  • Price


  • WiFi

    Free wifi

Event Details

  • The basic principles of grounding of electrical systems
  • The function of power system grounding and the various options available
  • Role of protective grounding in ensuring safety; sizing of grounding conductors
  • Importance of equipotential bonding in ensuring safety
  • Design of ground electrodes, measurement of soil resistivity and ground electrode resistance
  • Fundamental principles in the design of grounding systems in substations
  • Solving static electricity-related hazards by grounding and bonding
  • Role of grounding in protecting substation structures from lightning hazard
  • Role of grounding in surge protection of power distribution equipment and sensitive systems
  • Noise in electrical systems and the role of grounding in noise mitigation



Basics of grounding

  • Bonding
  • Role of grounding in lightning protection
  • Ground electrodes and factors affecting their efficiency
  • Grounding issues in outdoor substations
  • Grounding for static charges
  • Surge Protection
  • Importance of grounding in mitigation of noise in sensitive circuits
  • Importance of Local Codes


Power Supply System Grounding

  • Types of system grounding
  • Ungrounded systems
  • Solidly grounded systems
  • Impedance grounding using neutral reactor
  • Resonant grounding using neutral reactor
  • Impedance grounding through neutral resistance
  • Classification of supply systems based on grounding
  • Point of grounding
  • Other challenges


Protective Grounding

  • Electric shock, its cause and effects
  • Direct and indirect contact
  • Touch and step potential
  • Role of protective grounding in minimizing the shock hazards
  • Equipotential bonding
  • Protective grounding conductors and installation
  • Ground fault protection
  • System classification based on system/protective grounding


Ground Electrode Systems

  • Soil resistance and factors affecting soil resistivity
  • Measurement of soil resistivity
  • Resistance of ground electrode and distribution of resistance in surrounding soil layers
  • Electrode current capacity
  • Ground electrode configurations
  • Parallel electrodes
  • Ground electrode resistance measurement
  • Chemical electrodes
  • Concrete encased electrodes and splicing methods
  • Corrosion of buried electrodes
  • Grounding system maintenance



Works, Services and Maintenance Personnel



The training methodology combines lectures, discussions, group exercises and illustrations. Participants will gain both theoretical and practical knowledge of the topics. The emphasis is on the practical application of the topics and as a result participant will go back to the workplace with both the ability and the confidence to apply the techniques learned to their duties.



1ST BATCH: 15th – 18th Feb, 2022            

2ND BATCH: 9th – 12th Aug, 2022

Other Dates

Start Date End Date
09 Aug, 2022 12 Aug, 2022
Start Date End Date
15 Feb, 2022 18 Feb, 2022
  • Venue

    Alpha Partners Professional Training Conference Centre. 200, Muritala Mohammed Way (3rd Floor), Yaba Lagos.

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