The course covers the principles, types, functions, and applications of protection relays in electrical systems, focusing on system reliability, protection strategies, and relay settings for optimal performance.

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

• Understand the different types of protection relays and their functions
• Identify the key components of protection relays and their applications
• Learn the installation procedures for protection relays in various electrical systems
• Set and configure protection relays according to system requirements
• Troubleshoot and maintain protection relay systems effectively

This course is ideal for:

• Electrical engineers and technicians
• Maintenance engineers and technicians
• Protection and control engineers
• Electrical system designers and planners
• Operators and managers involved in the electrical protection systems
• Professionals looking to enhance their skills in protection relay systems

This interactive Training will be highly interactive, with opportunities to advance your opinions and ideas and will include:
• Lectures
• Workshop & Work Presentation
• Case Studies and Practical Exercise
• Videos and General Discussions

Day 1: Introduction to Electrical Protection and Relays

• Importance of protection in electrical systems
• Overview of electrical protection systems and their objectives
• Basic concepts of fault types (short circuits, overloads, earth faults, etc.)
• Introduction to protection relays: Function, working principle, and components
• Classification of protection relays (electromechanical, static, digital, and numerical relays)
• Overview of common applications: Transformer protection, motor protection, feeder protection

Day 2: Types of Protection Relays

• Overcurrent relays (Inverse time, definite time, and IDMT relays)
• Differential relays: Current differential, percentage differential
• Distance (impedance) relays and their applications in transmission lines
• Earth fault relays: Function, setting, and calibration
• Under-voltage and over-voltage protection relays
• Directional relays and their role in power systems
• Relay selection criteria based on system protection requirements

Day 3: Relay Installation and Wiring

• Relay panel construction and mounting
• Wiring diagrams and connection schemes for various relay types
• Relay power supply requirements and safety considerations
• Grounding and shielding considerations for protection systems
• Proper installation practices to ensure reliability and longevity
• Integration of relays with circuit breakers and other protection devices
• Hands-on session: Wiring a protection relay system

Day 4: Relay Settings and Coordination

• Understanding relay settings: Time delay, pickup value, reset value, and multiple settings
• Setting and adjusting overcurrent relays (IDMT and Definite time)
• Coordination of protection devices: Time-current curves, grading, and selective protection
• Setting of differential relays (percentage differential, operating characteristic)
• Fault detection and sensitivity adjustments for distance and earth fault relays
• Hands-on session: Setting relays and simulating fault conditions
• Protection coordination in multi-feeder systems

Day 5: Testing, Maintenance, and Troubleshooting

• Relay testing methods: Functional testing, primary and secondary injection testing
• Test equipment for protection relays (e.g., test sets, oscilloscopes, etc.)
• Troubleshooting techniques: Diagnosing relay failures, calibration, and adjustments
• Common relay problems and failure modes
• Maintenance strategies for protection systems (routine checks, recalibration, and upgrades)
• Case studies: Troubleshooting a protection relay system failure
• Final Q&A, course review, and certification (optional)

A RECTUS attendance certificate will be awarded to all participants who complete at least 80% of the total course duration.