RELAY PROTECTION TRAINING
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.
OUTLINE
1. Introduction to Power Systems Relaying
- System Planning
- Power System Studies
- Phasor Fundamentals
- Relaying Principles
- Review of Short Circuit Calculations
- Fundamentals of Coordination
2. Power Systems Grounding
- Symmetrical Components
- Ungrounded Systems
- Solidly-Grounded Systems
- Resistance-Grounded Systems
- Ground Fault Detection Methods
3. Current Transformers
- Types, CT Ratios, Polarity
- Burden, Accuracy Classes, Saturation Calculations
4. Protection Fundamentals
- Line, Cables, Feeders
- Medium Voltage Motors
- Power Transformers
5. Protective Relay Schemes
- Directional Relays
- Differential Relays
- Ground Relays