• The basic principles & importance of earthing of electrical systems.
• The function of power system earthing 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 surge protection of power distribution equipment and sensitive systems.
• How to test and maintain earth electrode & Earthing grid.

Electrical Engineers, Consulting Engineers, Project Engineers, Maintenance Engineers, Power System Protection and Control Engineers, Building Service Designers, Electrical and Instrumentation Technicians.

This interactive Training will be highly interactive, with opportunities to advance your opinions and ideas and will include;

• Lectures
• Workshop & Work Presentation
• Case Studies and Practical Exercise
• Videos and General Discussions

Day 1:

• What is System Earthing.
• Why Use System Earthing.
• Basics of grounding/earthing & Bonding.
• Objectives of equipotential bonding.
• Different types of functional & Protective earthing.
• Electricity shock & hazards & Equipment earthing
• Static charges and the need for bonding.

Day 2:

• Different Types of System or Neutral Earthing.

1. Systems with an isolated neutral-point.
2. Reactance earthed systems.
3. Resistance earthed systems.

4. Earthed system:

• Effectively earthed system.
• Not effectively earthed system.

• Zigzag earthing transformer.
• Sizing of Earthing resistors & Zigzag transformers.
• To Choose System’s Earthing Point.
• Practice of Earthing.
• Comparison of Different system Earthing Principles
• Earthing & Earth fault protection.
• Different earhing of distribution system arrangements (TT, TN-C, TN-S & IT) as per BS 7671 & IEC 60364.

Day 3:

• Static electricity and protection.
• Lightning & surge arresters.
• Transient overvoltages.
• PQ problems & triplen harmonics (Zero phase sequence).
• Ground electrode system.

Day 4:

• Substation earthing grid.
• Touch & Step voltages.
• Grounding regulations from various national codes.
• BS 7430 & IEEE 80 Standards.
• Maintenance & testing (3 pin method, 61.8% and slope method).
• Finite Element Method (FEM).

Day 5:

• Methods of designing Grounding systems.
• Ground faults.
• Design cases (Grounding module) & Reporting.

CDGA  attendance certificate will be issued to all attendees completing a minimum of 80% of the total course duration.