Course description
Power system protection systems play a crucial role in establishing reliable electrical power systems. Poorly designed protection systems may result in major power failures. Due to the increasing importance of electricity, such power failures can have a serious impact on society and the economy.
Knowledge of power system protection systems is key when it comes to optimising the reliability level of electrical infrastructures. With the advances in protection and communication technology in recent decades plus the strong increase of renewable energy sources, the design and operation of power system protection systems has become ever more challenging.
Protection of Electrical Power Systems course will provide an essential introduction to the principles of power system protection. It will be hosted as online training, split over four mornings. The course covers the role of protection, why it is required, components of protection systems and their principles of operation. It goes on to provide an understanding of basic protection theory, grading principles and fault calculations.
Upcoming start dates
Upcoming start dates
Suitability - 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
Outcome / Qualification etc.
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
- Minimise 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
Training Course Content
Day 1
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
Day 2
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
Day 3
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
Day 4
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
Day 5
Transformer and Transformer-Feeder Protection
- Transformer fault types and characteristics
- Protection applications to transformers and transformer feeders
- Differential protection
Protection of Non-radial Networks
- Directional overcurrent and earth fault protection
- Feeder unit protection and schemes
- Distance protection
MV/LV systems with Generators
- Operating requirements
- System and interface protection
- Generator protection
Metropolitan systems
Intertripping Techniques
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