Electric Distribution Systems: Operation, Testing and Protection Course
Electrical and Power Engineering
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Electric Distribution Systems: Operation, Testing and Protection Course
Introduction:
With the ever-increasing need to dispatch electric energy to grow loads, existing distribution systems grow and expand. As well, new networks are constructed in the new developing residential, industrial, and agricultural areas. Thus, large investments are spent to construct a distribution system, such that in typical power systems, 40% of the investments are spent in the distribution system which is double the investment in the transmission system (20%) and as much as the investment in the generation plants (40%). In addition, the consumers are now progressively interested in power quality and uninterrupted supply, i.e. a reliable distribution system is required. Therefore, system engineers in the Power Utilities progressively give every care to the distribution system operation, testing, and protection.
Course Objectives:
By the end of this course the participant will be able to:
- Understand electric power distribution systems.
- Set principles common to all types of distribution systems.
- Classify distribution systems according
- Be familiar with the principle of operation, construction, and performance indices of the main components of distribution systems:
- Be familiar with the protective equipment of distribution systems.
- Be familiar with procedures of distribution system protection
- The need and management for maintenance
- Management and implementation of safe systems of work
- Co-ordination of maintenance activities and maintaining system safety
- Switchgear maintenance - transformer maintenance
- Cable installation and rating; condition monitoring using non-intrusive technology
- Routine inspections, properties of insulating oils
- Be familiar with testing procedures of different components of distribution systems.
- Be familiar with common failures of main components of distribution systems.
Who Should Attend?
In general, electrical power engineers, supervisors, and qualified distribution system technicians can take part in this course.
Course Outlines:
Introduction, Electric Hazards, and Safety
- Goals and Discussion
- The Smart Grid Architecture
- Maintenance of Electrical Equipment
- Managing Maintenance
- Safety Culture
- Safety Integrity Level (SIL)
- Electrical Safety Rules
- Electrical Hazards and Emergencies
Power Network Fundamentals and Systems Protection
- Power Network Fundamentals
- Faults and Protection
- Fault Levels for transformer
- Types of the Protection Relay
- Numerical Relays
- Arc Flash Mitigation
- Importance of Earthing
- Network Earthing
Power and Distribution Transformers Operations and Maintenance
- Transformer Characteristics
- Transformer Cooling and Protection
- On-load Tap Changer Operation
- Transformer Site Testing
- Transformer Maintenance
- Dry Transformer
- Gas Insulated Transformer (GIT)
- Ester base Oil for New Power and Distribution Transformers
Circuit breakers, Switchgear, and Condition Monitoring
- Circuit Breaker Ratings and Operation
- Circuit Breaker Examples
- Switchgear Maintenance
- Alternatives to SF6 Gas
- HV Vacuum Circuit Breakers
- Hybrid Outdoor Circuit Breakers
- Instruments for Partial Discharge Monitoring
- Instruments for Thermal Imaging and Corona Detection
Gas-insulated Switchgear Common Voltage Cables Faults and Locating Methods
- Overview of Gas-insulated Switchgears
- Power Cables Construction and Characteristics
- Common Underground Cable Faults
- Cable Fault Locating
- Heat Shrink and Cold Shrink Cable Terminations and Joints
- LV Wiring and Cabling Systems