Setting, Testing, Maintaining, and Troubleshooting Electrical System Protective Devices 19th – 23rd May 2025 (Weekdays)
- Description
- Reviews
This training typically focuses on the skills and knowledge needed to work with protective devices that ensure the safety and efficiency of electrical systems.
This course structure aims to provide a comprehensive understanding of how to ensure electrical system protection through proper setting, testing, maintenance, and troubleshooting techniques.
Course Objectives:
1. Understanding Protective Devices:
Define the purpose and function of various electrical protective devices, such as relays, circuit breakers, fuses, and surge protectors.
Explain the importance of these devices in ensuring the safety and reliability of electrical systems.
2. Setting Protective Devices:
Learn how to set protective device parameters according to system requirements and manufacturer guidelines.
Understand coordination principles for protective devices in electrical systems.
Calculate settings for different types of relays (e.g., overcurrent, differential, distance).
3. Testing Protective Devices:
Perform testing procedures for different protective devices using standard testing equipment (e.g., primary and secondary injection testing).
Understand various test procedures, such as time-current characteristics and functionality tests.
Interpret test results and make adjustments to device settings as needed.
4. Maintenance of Protective Devices:
Learn preventive and corrective maintenance techniques for protective devices to ensure long-term reliability.
Develop a routine maintenance schedule based on industry best practices and manufacturer recommendations.
Identify common issues that arise during maintenance and the procedures to address them.
5. Troubleshooting Electrical Protective Devices:
Diagnose problems in malfunctioning protective devices through systematic troubleshooting techniques.
Use diagnostic tools and software for identifying issues in protective systems.
Develop strategies to resolve common faults, such as incorrect settings, mechanical failures, or communication errors.
6. Safety Practices:
Emphasize safety protocols when working with high-voltage equipment and protective devices.
Understand and apply lockout/tagout procedures.
Recognize and mitigate potential hazards during testing, maintenance, and troubleshooting.
7. Documentation and Reporting:
Record test results and maintenance activities accurately for regulatory compliance.
Understand the importance of documentation for future troubleshooting and system audits.
Course Content:
1. Introduction to Electrical Protection Systems:
Overview of electrical protection principles and device types.
Role of protective devices in power system stability and safety.
2. Types of Protective Devices:
Relays: Electromechanical, solid-state, and microprocessor-based.
Circuit Breakers: Types (e.g., air, vacuum, SF6) and applications.
Fuses and Overcurrent Protection Devices.
Surge Protection Devices (SPDs).
3. Relay Coordination and Settings:
Coordination principles for relay settings.
Setting calculation for overcurrent, differential, distance, and motor protection relays.
Software tools for relay setting calculation.
4. Testing Procedures:
Introduction to testing tools (e.g., relay test kits, multimeters, insulation testers).
Primary Injection Testing vs. Secondary Injection Testing.
Practical testing scenarios and interpretation of test results.
5. Maintenance Techniques:
Preventive maintenance for circuit breakers, relays, and fuses.
Cleaning, inspection, and testing protocols.
Replacement criteria for aging or faulty devices.
6. Troubleshooting Techniques:
Systematic approach to diagnosing relay malfunctions and misoperation.
Using diagnostic software and oscillography tools.
Real-life case studies of common troubleshooting scenarios.
7. Safety Practices and Regulations:
Electrical safety standards (e.g., NFPA 70E).
Safe handling of high-voltage equipment.
Personal protective equipment (PPE) and procedures.
8. Documentation and Recordkeeping:
Importance of maintaining accurate test and maintenance records.
Reporting standards for test results.
Utilizing digital tools for recordkeeping.
9. Hands-on Practice and Case Studies:
Simulated testing and troubleshooting exercises.
Case studies of protection system failures and resolutions.
Field visits or virtual simulations of protection systems.
10. Final Assessment and Certification:
Written and practical exams to assess understanding.
Certification of competency in setting, testing, maintaining, and troubleshooting protective devices.
