Power System Protection & Relay Coordination Training Course

Course Overview

Learning Objectives

• Analyze protection system philosophy and requirements, including reliability, selectivity, speed, sensitivity, security, and dependability, on Day 1.
• Apply zones of protection, fault types, and fault calculation fundamentals, including symmetrical components, to protection design.
• Evaluate current and voltage transformers, including accuracy classes, saturation, and their effect on protection performance.
• Explain the operation of numerical relays and intelligent electronic devices and standard protection functions and device numbers.
• Apply overcurrent, earth fault, and directional protection to radial and interconnected feeders.
• Apply transformer protection, including differential, restricted earth fault, overcurrent, and mechanical protection.
• Apply generator and motor protection, including differential, loss of excitation, reverse power, negative sequence, thermal, and stall protection.
• Apply busbar, line, and capacitor bank protection, including busbar differential, distance, line differential, pilot schemes, and auto-reclosing.
• Evaluate earthing systems and their impact on earth fault detection and protection settings.
• Perform relay coordination using standard time-current characteristics, grading margins, and coordination studies.
• Apply arc flash reduction schemes and evaluate IEC 61850-based protection and digital substation concepts.
• Plan relay testing and commissioning, manage protection settings, analyze disturbance records, and investigate protection maloperations by the end of Day 5.

Who Should Attend

Learning Outcomes

• By the end of the course, participants will be able to:
• Explain the principles and requirements of effective protection systems.
• Define protection zones and understand how faults affect power systems.
• Select and evaluate current and voltage transformers for protection.
• Understand how numerical relays and protection functions work.
• Set overcurrent, earth fault, and directional protection correctly.
• Apply suitable protection schemes to transformers, generators, and motors.
• Apply busbar, line, and capacitor protection schemes.
• Understand how earthing arrangements affect earth fault protection.
• Coordinate protective devices to achieve selectivity.
• Apply schemes that reduce arc flash hazards.
• Plan relay testing and commissioning effectively.
• Analyze fault records and investigate protection maloperations.

Course Outline