Protective Relay Principles and Application
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Protective Relay Principles and Application Course
Introduction:
In order to isolate a malfunctioning component, prevent electrical equipment from being damaged by faults, and ensure supply continuity throughout the system, protection systems are implemented in power systems. In addition to many protective functions, self-diagnostics, analog and digital data, and monitoring and recording features are also part of modern protection. Relays also supply additional data and carry out certain control tasks, even though their main purpose is protection. Because the course is participatory, participants are encouraged to ask and answer questions. Case studies contribute to a deeper comprehension of the subjects covered.
Course Objectives:
Upon the successful completion of this course, each participant will be able to:-
- Understand various electrical faults and their effects on the system
- Learn how to calculate faults
- Understand the purpose of protection systems and their basic operation
- Identify types of protection, required for different applications
- Appreciate the impact of current and voltage transformers incorrect operation of protection
- Understand Circuit Breaker operation and maintenance requirements
- Understand LV Motor starts and associated issues
Who Should Attend?
Designers, Engineers, and Technicians from Distribution Companies and Power Utilities, Engineering Professionals in the Electricity Supply Industry, Petrochemical Companies, Buildings, and Service Managers who have to deal with the aspect of electrical and industrial power system protection, control, and operation. Participants need no specific requirements other than good understanding of electricity and magnetism and some relevant experience.
Course Outlines:
Introduction to the Training
Power System Fault Analysis
- Power Systems Overview
- Faults in Power Systems
- Fault Effects on the Power System
- Fault Current
- Short Circuit Calculation Method
- Symmetrical Components
- Modeling Components
- Short Circuit Calculation Procedure
Circuit Breakers
- Types of operation Overview
- Principles of operation
- Maintenance requirements in Asset Management
Introduction to Protection
- Protection Role
- Protection Objectives
- Protection Requirements
- Protection of Basic Principles
- Protection Types
- Protection Function Codes
- Numerical Protective Relays
Current and Voltage Transformers
- Current Transformers Theory
- Current Transformer Characteristics
- Accuracy Class & CT Errors
- CT Magnetizing Curve
- Current Transformer Connections
- Current Transformers Earthing
- Protection Requirements for CT
- Voltage Transformers Theory
- Voltage transformer characteristics
- VT accuracy & VT errors
- VT Performance Issues
- Voltage Transformer Connections
- Voltage Transformers Earthing
Overcurrent Protection
- OC Protection Principle
- OC Protection Requirements
- OC Protection Characteristics
- Directional OC protection
- OC Protection Applications
Earth Fault Protection
- EF Protection Principle
- EF Protection Requirements
- EF Protection Characteristics
- EF Protection Typical Data
- EF Protection Applications
Transformer Protection
- Transformer Faults
- Magnetizing Inrush Current
- Transformer Protection Requirements
- Transformer Protection Concept
- Transformer Differential Protection
- Restricted Earth Fault Protection
- HV overcurrent protection
- LV overcurrent & earth fault protection
- Neutral earth fault protection
- Transformer Mechanical Protection
- Earthing Transformer Protection
- Transformer Feeders Protection
Feeder Protection
- Feeders in Power Systems
- Pilot Wire Protection
- Pilot wire protection application
Motor Protection