• 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

COURSE CONTENT 

• 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.

Different Types of System or Neutral Earthing.

• Systems with an isolated neutral-point.
• Reactance earthed systems.
• Resistance earthed systems.
• 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
• Static electricity and protection.
• Lightning & surge arresters.
• Transient overvoltages.
• PQ problems & triplen harmonics (Zero phase sequence).
• Ground electrode system.
• Substation earthing grid.
• Touch & Step voltages.
• Grounding regulations from various national codes.
• BS 7430 & IEEE 80 Standards.
• Finite Element Method (FEM).
• Methods of designing Grounding systems.
• Ground faults.
• Design cases (Grounding module) & Reporting

FOR WHOM:

Works, Services and Maintenance Personnel

TRAINING METHODOLOGY

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.

This course is available in the following locations:

Nigeria - $5500
Rwanda - $7500
UK - $8500
USA - $8500