COURSE OVERVIEW:

The design of an earthing system is the fundamental safeguard for both personnel and equipment against electrical fault conditions. This course provides a technical exploration of "System Earthing" and "Protective Earthing," focusing on the distinction between the functional grounding of the neutral and the safety grounding of conductive enclosures. Participants will explore the mechanics of "Fault Current Distribution," learning how to design earthing grids that effectively manage step and touch potentials in both utility substations and industrial facilities.

The scope of this training addresses the full range of earthing topologies, including TT, TN-S, TN-C-S, and IT systems. It covers the technical nuances of "Neutral Grounding," focusing on the selection of "Solid," "Resistance," and "Reactance" grounding to control fault magnitudes and transient overvoltages. The curriculum provides a detailed focus on "Earth Grid Design," ensuring that participants can utilize soil resistivity data to engineer low-impedance paths that remain stable under maximum short-circuit conditions.

Coverage includes the implementation of advanced testing techniques for "Earth Resistance" and "Equipotentiality." Attendees will learn to utilize "Fall-of-Potential" testing, analyze "Stray Currents" in industrial plants, and troubleshoot "Ground Loop" issues in sensitive control networks. By combining power system theory with practical field measurements, the course equips professionals with the expertise required to deliver earthing solutions that meet the stringent safety requirements of modern electrical networks.

COURSE OBJECTIVES:

After completion of this course, the participants will be able to:

• Define the roles of "System Earthing" versus "Protective Earthing."
• Identify "TT," "TN," and "IT" network earthing arrangements.
• Execute "Soil Resistivity" surveys using the Wenner method.
• Design "Substation Earthing Grids" according to IEEE 80.
• Calculate "Step and Touch Potentials" for safety compliance.
• Select "Neutral Grounding Resistors" (NGR) for fault control.
• Implement "Equipotential Bonding" in industrial environments.
• Analyze "Earth Fault" behavior in isolated and grounded systems.
• Utilize "Earth Testers" for 3-point and 4-point measurements.
• Troubleshoot "Stray Currents" and "Corrosion" in earthing systems.
• Evaluate "Lightning Protection" integration with the earth grid.
• Document "Earthing System Audits" and "Integrity Reports."

TARGET AUDIENCE:

This course is intended for Electrical Design Engineers, Utility Technicians, Safety Inspectors, and Industrial Maintenance Managers.

TRAINING COURSE METHODOLOGY:

A highly interactive combination of lectures, discussion sessions, and case studies will be employed to maximize the transfer of information, knowledge, and experience. The course will be intensive, practical, and highly interactive. The sessions will start by raising the most relevant questions and motivating everybody to find the right answers. The attendants will also be encouraged to raise more of their questions and to share in developing the right answers using their analysis and experience. There will also be some indoor experiential activities to enhance the learning experience. Course material will be provided in PowerPoint, with necessary animations, learning videos, and general discussions.

The course participants shall be evaluated before, during, and at the end of the course.

COURSE CERTIFICATE:

National Consultant Centre for Training LLC (NCC) will issue an Attendance Certificate to all participants completing a minimum of 80% of the total attendance time requirement.