OBJECTIVE
Identify the Effects of Current Transformers (CTs) on Power Systems Protection.
Recognize Protective Relay Coordination Related Disturbances and Outages.
Collect the Required Data to Perform a Detailed Coordination Study.
Derive Complete Protective Relay Device Settings to Protect the Electrical Power Systems Equipment.
COURSE OUTLINE
Introduction to Power Systems Relaying
- System Planning
- Power System Studies
- Phasor Fundamentals
- Relaying Principles
- Review of Short Circuit Calculations
- Fundamentals of Coordination
Power Systems Grounding - Symmetrical Components
- Ungrounded Systems
- Solidly-Grounded Systems
- Resistance-Grounded Systems
- Ground Fault Detection Methods
Current Transformers - Types, CT Ratios, Polarity
- Burden, Accuracy Classes, Saturation Calculations
Protection Fundamentals - Line, Cables, Feeders
- Medium Voltage Motors
- Power Transformers
Protective Relay Schemes - Directional Relays
- Differential Relays
- Ground Relays
METHOD
Presentation
Discussion
Case study