Modern Power System Protective Relaying

• Select fit-for-the-purpose protection relays and other related devices
• Calculate fault levels and loadings of feeders and branches
• Develop and analyze typical power systems and their associated protection systems
• Analyze protection logics and coordination between protection devices
• Establish communication between protection devices and controllers

CONTENT

Protective Devices, Earthing Systems

• Protection Zones, Local and Backup Protection
• Sequence Networks
• Per Unit System
• CT and VT types, Specifications, and Applications
• Fuse Types, Applications, Selection, and Coordination
• Protection Relay Types and Functions
• Protection Relaying Technology
• Ungrounded vs. Grounded Systems

Feeder Protection

• Over current Protection
• Earth Fault Protection
• IDMT O/C and E/F Protection
• Definite Time (DT) Protection
• High-set Instantaneous Protection
• Transient Overreach
• CT and VT Selection
• Relay Settings

Transformer Protection

• Transformer O/C and E/F Protection
• Transformer Unit Protection (REF and Diff)
• Buchholz and Pressure Relief
• Transformer Differential Protection Complexities and Solutions
• Interposing CT’s
• Transformer-feeder Protection Schemes

Generator Protection, Directional Protection

• Generator Faults and Protection Features
• Generator Differential Protection (biased, unbiased)
• Stabilizing Resistor
• Metrosil
• Generator Overall Protection
• Generator Full Protection
• Directional Relay Applications and Calculations

Busbar Protection, Line Protection, Tele-protection

• Busbar High Impedance Protection
• Frame Leakage Protection
• Embedded Generation
• Direct and Permissive Tripping, Blocking Scheme
• Phase Comparison Protection
• Line Distance Protection
• Line Differential Protection

FOR WHOM:

Works, Services and Maintenance Personnel

TRAINING METHODOLOGY

The training methodology combines lectures, discussions, group exercises and illustrations. Participants will gain both theoretical and practical knowledge of the topics. The emphasis is on the practical application of the topics and as a result participant will go back to the workplace with both the ability and the confidence to apply the techniques learned to their duties.