Course Details

This course is appropriate for a wide range of professionals but not limited to:

• Power System Protection Engineers
• Substation and Field Engineers
• Maintenance and Testing Technicians
• Utilities and Industrial Electrical Engineers
• Consultants and Technical Analysts

• Expert-led sessions with dynamic visual aids
• Comprehensive course manual to support practical application and reinforcement
• Interactive discussions addressing participants’ real-world projects and challenges
• Insightful case studies and proven best practices to enhance learning

By the end of this course, participants should be able to:

• Explain the essential requirements and criteria of a reliable protection scheme.
• Differentiate between various protective relay types and their operational principles.
• Apply symmetrical components to analyze system faults accurately.
• Calculate and set protection relays for optimum speed and selectivity successfully.
• Coordinate overcurrent and distance relays for different network configurations reliably.
• Test, commission, and troubleshoot modern digital protective relays safely.

DAY 1

Fundamentals of Power System Faults and Protection

• Welcome and Introduction
• Pre-test
• Necessity and fundamental principles of protective relaying
• Types and causes of short circuit faults in power systems
• Basic requirements of a protective relaying system (speed, selectivity)
• Introduction to symmetrical components for fault analysis
• Protective zones and the concept of primary and backup protection
• Evolution from electromechanical to digital protective relays

DAY 2

Overcurrent Protection Schemes and Settings

• Principles of overcurrent relays (OC) and time-current characteristics
• Types of OC relays: instantaneous, definite time, and inverse time
• Calculating fault current levels for different OC protection applications
• Determining pickup values and time multiplier settings (TMS)
• Overcurrent relay coordination for radial and simple meshed systems
• Application of directional overcurrent relays

DAY 3

Transmission Line Protection (Distance Relays)

• Introduction to distance protection principles and applications
• Impedance, Mho, and reactance distance relay characteristics
• Determining distance relay settings and protection zones
• Coordination of stepped distance relays for transmission lines
• Protection against ground faults on transmission lines
• Pilot protection schemes (POTT, PUTT) and communication requirements

DAY 4

Protection of Major Equipment

• Differential protection principles and applications
• Transformer protection: differential, sudden pressure, and temperature
• Generator protection: stator, rotor, and abnormal operating conditions
• Motor protection: thermal, overload, and locked rotor protection
• Busbar protection schemes: low impedance and high impedance differential
• Principles of circuit breaker failure protection

DAY 5

Modern Relaying, Testing, and Commissioning

• Functional elements and programming of numerical relays
• IEC 61850 communication protocol and substation automation
• Basics of Current Transformers (CT) and Potential Transformers (PT) selection
• Fundamentals of relay testing: secondary injection testing
• Commissioning procedures and troubleshooting common relay issues
• Post-test
• Certificate ceremony