Electrical Engineering#1128
Switchgear Maintenance Training Course
Equips engineers and technicians to inspect, test, maintain and troubleshoot low- and medium-voltage switchgear and plan preventive maintenance.
5 Days·Classroom
Protection Relay Configuration & Testing Training Course
Covers protection relay principles, settings, configuration and commissioning tests so schemes isolate faults selectively and minimize equipment damage.
ELE · Electrical EngineeringAll Levels#2840ClassroomEnglish , Arabic
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Free substitution at any time · 30+ days' notice: full refund minus 10%. Cancellation policy
Sectors:Industrial Engineering, Maintenance & OperationsCategories:Electrical Engineering
Course Overview
Protection relays are essential components of electrical power systems, protecting transformers, generators, motors, transmission lines, and distribution networks against electrical faults and abnormal operating conditions. Correct relay configuration and testing help ensure that protection schemes operate selectively, isolate faults rapidly, minimize equipment damage, and maintain power system reliability. This course provides practical knowledge of protection relay principles, configuration methods, protection settings, and commissioning and testing procedures. Participants will explore common protection functions, including overcurrent, earth fault, differential, distance, under/overvoltage, and frequency protection. The programme also covers relay coordination, secondary injection testing, trip circuit verification, event and disturbance analysis, and the use of relay configuration software and test equipment. Through practical exercises and representative power system scenarios, participants will develop the skills required to configure relay settings, verify protection functions, identify testing discrepancies, and document test results. The course emphasizes systematic testing, safe working practices, and compliance with applicable IEC standards and manufacturer recommendations to support reliable protection performance in substations, industrial facilities, utilities, and power generation installations.
Learning Objectives
- Explain the operating principles and role of protection relays in electrical power systems.
- Identify common relay types, protection functions, and their applications.
- Configure relay parameters and protection settings using manufacturer-specific software.
- Interpret current transformer (CT) and voltage transformer (VT) ratios and their influence on relay measurements.
- Apply overcurrent, earth fault, differential, distance, and voltage protection principles.
- Understand protection coordination, grading, selectivity, and operating time settings.
- Perform secondary injection tests and verify relay operating characteristics.
- Test trip circuits, binary inputs and outputs, alarms, and interlocking functions.
- Analyse relay event records, fault data, and disturbance reports.
- Prepare configuration records, test reports, and commissioning documentation in accordance with applicable standards and procedures.
Who Should Attend
Electrical engineers involved in power system protection and control.
Protection and control engineers working in substations and power networks.
Electrical maintenance and commissioning engineers.
Testing and commissioning technicians.
Engineers responsible for transformers, generators, motors, and switchgear protection.
Utility, industrial, and power generation electrical personnel.
Substation engineers and technical specialists involved in relay coordination and fault analysis.
Electrical engineering supervisors responsible for protection system reliability and compliance.
Learning Outcomes
- Explain protection relay operating principles and their role in fault clearance.
- Identify suitable protection functions for different power system equipment.
- Configure relay settings and parameters using appropriate engineering software.
- Calculate and verify protection settings based on equipment ratings and system requirements.
- Interpret CT and VT data and identify common measurement and wiring issues.
- Evaluate protection coordination and selectivity between primary and backup protection.
- Conduct secondary injection tests and assess relay pickup, timing, and operating characteristics.
- Verify trip outputs, alarms, binary signals, and associated protection circuits.
- Interpret relay event logs and disturbance records to support fault investigation.
- Produce clear test reports and commissioning records and identify corrective actions for failed tests.
Course Outline
Protection Relay Fundamentals and Power System Protection Principles
- Role of protection relays in power system safety, reliability, and equipment protection.
- Overview of electromechanical, static, and numerical protection relays.
- Power system fault types: phase faults, earth faults, overloads, and abnormal operating conditions.
- Protection zones, primary protection, backup protection, and fault-clearing principles.
- Current transformers (CTs), voltage transformers (VTs), measurement circuits, and polarity.
- Introduction to IEC protection function numbers and commonly used ANSI device numbers.
- Overview of overcurrent, earth fault, differential, distance, voltage, and frequency protection.
- Introduction to relay hardware, communication interfaces, and configuration software.
- Practical Exercise: Review a single-line diagram and identify protection functions, instrument transformer connections, and the protection zones for a representative electrical installation.
Relay Configuration, Protection Settings, and Coordination
- Relay configuration workflow, device identification, parameter management, and project files.
- Configuring nominal current and voltage, CT/VT ratios, frequency, and system parameters.
- Overcurrent protection settings, pickup thresholds, time delays, and inverse-time characteristics.
- Earth fault protection settings and sensitivity considerations.
- Differential protection principles and applications for transformers and other protected equipment.
- Introduction to distance protection zones and under/overvoltage and frequency settings.
- Protection grading, selectivity, operating time coordination, and backup protection.
- Reviewing setting calculations against equipment ratings, fault levels, and coordination studies.
- Practical Exercise: Configure a representative numerical relay using a sample power system case, calculate selected protection settings, and review coordination with upstream and downstream devices.
Protection Relay Testing and Secondary Injection
- Relay testing principles, test plans, acceptance criteria, and pre-test checks.
- Inspection of relay wiring, terminal connections, configuration files, and test interfaces.
- Secondary injection testing principles and the use of relay test sets.
- Verification of pickup values, dropout values, operating times, and inverse-time curves.
- Testing phase overcurrent and earth fault protection functions.
- Testing differential and other protection functions according to the relay type and available test equipment.
- Binary input/output testing, trip output verification, alarms, and logic checks.
- Test equipment connections, safety precautions, and controlled test procedures.
- Practical Exercise: Perform or simulate secondary injection tests on selected relay functions, compare measured results with expected values, and document deviations.
Trip Circuit Verification, Commissioning, and Fault Diagnostics
- Pre-commissioning checks for protection relays and associated control circuits.
- Trip circuit supervision, breaker trip commands, auxiliary contacts, and circuit continuity.
- Verification of binary signals, interlocking logic, alarms, and protection scheme interfaces.
- End-to-end protection testing concepts and communication-assisted protection schemes.
- Testing directional protection and distance protection functions where applicable.
- Diagnosing incorrect settings, wiring polarity issues, measurement discrepancies, and unexpected relay operation.
- Reviewing relay targets, event records, oscillography, and disturbance reports.
- Commissioning documentation, test evidence, defect tracking, and retesting procedures.
- Practical Exercise: Analyse a simulated commissioning failure, identify the likely cause using relay indications and test results, and develop a corrective action and retest plan.
Advanced Testing, Performance Evaluation, and Maintenance Best Practices
- Integrated verification of relay settings, logic, input/output mapping, and trip functionality.
- Reviewing coordination between protection relays and circuit breakers.
- Evaluating test results against approved settings, manufacturer requirements, and applicable standards.
- Introduction to IEC 61850 communication concepts and their relevance to modern digital substations.
- Configuration management, setting backups, revision control, and change authorization.
- Establishing periodic testing schedules and condition-based maintenance practices.
- Analysing recurring protection issues and identifying opportunities to improve system reliability.
- Preparing protection relay test reports, commissioning records, and technical recommendations.
- Practical Exercise: Review a complete relay test package, assess protection performance and coordination, identify documentation or technical gaps, and prepare a prioritized list of corrective actions.
Upcoming Dates
Selected date
London · 21 – 25 Dec 2026 · Classroom
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|---|---|---|---|---|
DammamScheduled | 2 – 6 Nov 2026 | €4,800 | — | |
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IstanbulScheduled | 26 – 30 Apr 2027 | €5,300 | €4,770until 5 Apr |
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