Course Details

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

• Power System Protection Engineers
• Substation and Field Technicians
• Relay Testing and Commissioning Specialists
• System Planning and Control Engineers
• Transmission and Distribution Engineers

• 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 fundamental principles of power system protection and fault analysis.
• Differentiate between and apply various protective relay characteristic curves.
• Configure and test modern microprocessor-based protective relays.
• Select appropriate protection schemes for transmission lines and feeders.
• Apply protection strategies for transformers, motors, and generators.
• Utilize advanced communication protocols in wide-area protection schemes.

DAY 1

Fundamentals of Protection and Relay Technology

• Welcome and Introduction
• Pre-test
• Principles of protective relaying and fault types
• Review of current transformers (CTs) and potential transformers (PTs)
• Evolution from electromechanical to modern digital relays
• Understanding relay hardware, software, and firmware architecture
• Concepts of dependability, security, and speed in protection

DAY 2

Overcurrent and Distance Protection

• Application of time-current characteristics in overcurrent relays
• Settings for instantaneous and time-delay overcurrent protection
• Coordination and selectivity principles for feeder protection
• Principles of distance relaying and impedance calculation
• Understanding Mho, Quadrilateral, and Offset distance elements
• Setting distance zones for transmission line protection

DAY 3

Differential and Bus Protection

• Principles of current differential protection
• Application of differential schemes for transformer protection
• Understanding CT ratio matching and zero-sequence filtering
• High-impedance and low-impedance bus differential schemes
• Bus protection methods including blocking and tripping schemes
• Testing and commissioning procedures for differential relays

DAY 4

Apparatus Protection and Special Topics

• Protection of synchronous generators (stator, field, and loss of excitation)
• Motor protection elements and thermal overload considerations
• Protection of capacitor banks and reactive power compensation
• Understanding transformer inrush and overexcitation protection
• Introduction to special protection schemes (SPS) and load shedding
• Advanced topics like power swings and out-of-step blocking

DAY 5

Communication and Testing

• Use of fiber optics and power line carrier communication
• Principles of the IEC 61850 communication standard (GOOSE, Sampled Values)
• Developing and executing comprehensive relay test plans
• Using test equipment for simulation and verification of settings
• Introduction to fault record analysis and event reporting
• Post-test
• Certificate ceremony