Claim 2/5 CPD Points
| Date | Venue | Duration | |
|---|---|---|---|
| 13 - 14 August 2026 | Sandton | 2 Days | |
| 16 - 17 November 2026 | Sandton | 2 Days |
Grounding systems are vital in the integrity of power systems, ensuring safety and reliability. These systems offer a shared reference for live electrical conductors, allowing surge currents to safely dissipate into the soil, thus safeguarding personnel and the public. The proper design and application of grounding techniques are crucial for controlling electrical noise and mitigating potential issues within power systems and their associated controls and communications.
This Grounding, Bonding and Lightning Protection of Electrical Systems course is essential for engineers and technicians involved in power supply systems. It delves into grounding system design principles, highlighting the significant role they play in operational safety and the prevention of costly errors due to system failures or extended downtimes.
Course Focus
The Grounding, Bonding and Lightning Protection of Electrical Systems course is enriched with foundational grounding concepts, common power system failures, and damage prevention strategies related to grounding system efficiency or protection device selection. Participants will engage with numerous real-world examples and case studies, fostering a comprehensive understanding of the material.
By the end of this Grounding, Bonding and Lightning Protection of Electrical Systems seminar, participants will:
Understand grounding system design concepts and perform associated calculations
Assess risks and apply mitigation techniques for power system disturbances
Analyse and calculate effective grounding systems for substations
Evaluate soil layers and select appropriate earthing rods
Grasp the fundamentals of lightning and surge protection
This Grounding, Bonding and Lightning Protection of Electrical Systems course is ideal for those involved in power system operation, planning, design, and maintenance. It will particularly benefit:
Project Engineers/Managers
Electrical Engineers/Technicians
System Operators
Design Engineers
Asset Engineers/Managers
Planning Engineers/Managers
Protection, Instrumentation, and Commissioning Engineers/Technicians
Our diverse instructional approaches ensure effective learning:
– Lectures & Presentations: Engage with expert-driven, stimulating content.
– Course Material: Access well-crafted supporting resources.
– Group Work: Collaborate on discussions and case studies for practical insights.
– Workshops & Role-Play: Participate in immersive, scenario-based activities.
– Practical Application: Focus on applying theoretical knowledge in real situations.
– Post-Training Support: Receive extensive support after training for skill implementation.
Module 1: Introduction to Grounding Systems, Electrical Faults, and Protection Equipment
Need for Grounding Systems
Electric Fault
Consequences of Fault
Arc Flash Boundary
Types of Fault
Protective Personal Equipment (PPE)
Grounding Fundamentals
Bonding
Ground Electrodes
Grounding of Electrical Substations
Elimination of Static Charges by appropriate Grounding
Impact of Lightning on Power Systems
Surge Protection
Noise Mitigation
Lightning Strike
Effect of Lightning on Power Lines
Lightning Protection Methods
Formation of Static Charges
Hazards associated with Static Charge Build-up
Spark Energy and Ignition Capability
Assessment & Control of Static Charge
Module 2: Types of Grounding Systems and Hazard Mitigation
Ungrounded Systems
Solidly Grounded Systems
Resistance Grounding using NER
Impedance Grounding using Neutral Reactor
Shock Hazard
Grounding of Equipment
Protective Devices
Thermal Capability
Touch Potential
Step Potential
Induced Voltage Mitigation
EMI Suppression
Metal Enclosure for Grounding Conductors
Surge Protection via Grounding Connections
Earth Fault Protection Sensitivity
TN Systems
TN-C System
TN-S System
TN-C-S System
TT System
Module 3 Ground Faults and Related Protection Techniques
Circuit Breaker Protection
Fuse Protection
Relay Protection
Protection Criteria
Sequence Networks
Per Unit System
Measuring Transformers (CT and VT)
Overcurrent Protection
Earth Fault Protection
IDMT O/C & E/F Protection
Transformer O/C and E/F Protection
Module 4: Grounding Systems Studies and Design Considerations
Soil Resistance
Soil Resistivity Measurement Techniques & Interpretations
Resistance of Dingle Rod Electrode
Use of Multiple Ground Electrodes (earthing rods) in Parallel
Current carrying capacity of Ground Electrodes
Measurement of Ground Electrode Resistance
Chemical Electrodes and Corrosion Problems
Approach to Grounding System Design
Ground Fault Current
Grounding of HV Substations
Grounding of MV & LV Installations
Grounding Grid for HV Outdoor Substation
Soil Resistivity Calculations using Multi-layer Models
Transferred Voltage
Design considerations for Effective Substation Grounding
Lightning Strike Probability & Incidence
Lightning Risk Assessment
Module 5: Lightning Protection, Noise Mitigation, and Surge Protection
Impacts of Lightning impacts on Power Lines
Principles of Lightning Protection
Power Systems Surges and their Impacts
Equipotential Bonding
Principles of Surge Protection
Selection of Lightning / Surge Arrestor
Electrical Noise and its Impacts
Noise Categories
Noise Disturbance on Distribution Systems and Data Cables
Ground Loop as a Source of Noise
Electrostatic / Capacitive Coupling
Shielded Isolation Transformer
Ground Loop Mitigation
Power System Harmonics and their Impacts
UPS Configurations
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