Engineering and Maintenance
Protection of Electrical Power Systems
Select Other "city & date"
Protection of Electrical Power Systems Course
Introduction:
Course Objectives:
By the end of this Protection of Electrical Power Systems course, participants will be able to:
- Develop your understanding of protection systems for power networks and assets
- Understand how to reconfigure your systems
- Build confidence that you will protect business-critical systems
- Minimize unnecessary outages and loss of supply
- Reduce the risk to critical equipment
- Develop an understanding of protection systems for power assets
- Understand the role of protection in network design
- Develop an understanding of fault calculations, be able to apply learnt skills directly in your place of work
- Understand safety requirements in power network protection
Who Should Attend?
Protection of Electrical Power Systems course ideal for:
- Electrical Engineers, Supervisors or Technicians responsible for the use or maintenance of electrical protective gear
- Engineers and technicians fresh to the power industry
- Employees tasked with evaluating the effectiveness of security schemes
- Intermediate-level engineers and technicians accountable for power system protection
- Engineers and consultants who manage security studies
- Professionals engaged in creating protection schemes to develop system dependability
Course Outlines:
Role of Protection
Contribution in network design
- Safety requirements
- Principles
Components & Operation
- LV and MV fuses – characteristics and construction
- Time limit fuses and CT release
- Relays, basic principles, Inst, DT, IDMT, O/C & EF
Introduction to Grading
- Current and time grading
- Fuses
- IDMT
- Definite time
- Practical exercise
LV Networks Protection
- Principles
- Walkthrough the LV system
HV Networks Protection
- Principles
- Walkthrough HV network system
Basic Fault Calculation
Fuses
- Construction and operation
- HV and LV fuses
- LV fuse grading
LV ACB Electronic Relays
- Basic principles
- Settings explained
- Plotting characteristics on log-log paper
- Additional features
Role of Protection
Contribution in network design
- Safety requirements
- Principles
Simple Fault Calculations
- Types of network faults
- Fault Level – what it is and why we need to know it
- How to calculate fault level
- Network reduction
- Calculation of balanced fault levels and fault currents
- Introduction to symmetrical components
Unbalanced Fault Calculations
- Worked examples using symmetrical components
Measuring Transformers
- Why we need measuring transformers
- Principles and specifications CTs and VT
Grading
- Grading Exercises
Electronic Relays
Protection of Radial Networks
- Principles of radial feeder protection
- Urban networks
- Overhead networks
- Distribution transformers
Busbar protection
Arc Suppression Coil Earthed System
Transformer and Transformer-Feeder Protection