Communications for Protection and Control of Electrical Power Systems
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Communications for Protection and Control of Electrical Power Systems Course
Introduction:
Protection systems are put in place to stop faults from causing damage to the electrical plant and to start isolating the affected portions so that the supply remains continuous throughout the system. Modern technological advancements coupled with modifications to the ways in which industrial and utility companies function have placed a strong emphasis on the creation of integrated protection and control.
Course Objectives:
By the end of the training, participants will be able to:
- The nature of different types of electrical faults and the effect these faults can have on company assets
- Understanding of electrical fault protection systems
- Practical solutions for specifying and operating protection systems
- Comprehensive understanding of principles and selection of protection relays and protection schemes
- The requirement for testing of relays and protection systems
Who Should Attend?
This course is intended for all Engineers and Senior Technicians from Electrical Utilization Companies and Industrial organizations, Building and Services Professionals, who have to deal with the aspects of electrical and industrial power systems protection, control and operation will also find the course beneficial. Participants need no specific requirements other than a good understanding of electrotechnology and some relevant experience.
Course Outlines:
Introduction to Protection
- Protection Role
- Protection Objectives
- Protection Requirements
- Protection of Basic Principles
- Protection Types
- Protection Function Codes
- Relay Protection History
- Numerical Protective
Relays Power System Fault Analysis
- Power System Basics
- Faults in Power Systems
- Type of Faults
- Balanced & Unbalanced Faults
- Fault Effects on the Power System
- Fault Current
- Factors Affecting a Fault
- Power System Analysis
- Short Circuit Calculation Method
- Three-Phase Fault
- Earth Fault
- Two-Phase Fault
- Open Circuit
- Modeling Components
- Short Circuit Calculation Procedure
- SC Calculations by Computer Program
Current and Voltage Transformers
- Current Transformers Theory
- Current Transformer Types
- Current Transformer Rated Characteristics
- Accuracy Class & CT Errors
- CT Magnetizing Curve
- CT Response to System Transients
- Current Transformers Earthing
- Current Transformer Connections
- Protection Requirements for CT
- Voltage Transformers Theory
- Voltage Transformer Types
- Voltage transformer rated characteristics
- VT accuracy & VT errors
- Effects on VT Performance
- Voltage Transformers Earthing
- Voltage Transformer Connections
- Optical Sensors Basics
- Optical Sensors Principle
- Optical Sensors
Characteristics Power System Earthing
- Purpose of Earthing
- System Earthing Types
- Forming Neutral Point in Isolated
Systems Circuit Breakers
- Purpose of Circuit Breakers
- Circuit Breaker Types (HV, MV, LV)
- Circuit Breaker Tripping Characteristics
Overcurrent Protection
- OC Protection Principle of Operation
- OC Protection Requirements
- OC Protection Characteristics
- Directional OC protection
- OC Typical Data
- OC Protection
Applications Earth Fault Protection
- EF Protection Principle of Operation
- EF Protection Requirements
- EF Protection Characteristics
- EF Protection Typical Data
- EF Protection Applications
- Numerical Multifunctional OC & EF Relays
Feeder Protection
- Feeders in Power Systems
- Pilot Wire Protection
- Pilot Wire Protection Schematics