 Overview of the Power System and
protective relaying
Current Differential theory of operation
L90 Communication interfaces
L90 Self Synchronization
Channel Asymmetry
L90 Protection element overview
- Percent Current Differential
- 2 terminal and 3 terminal Line
protection
- Dynamic Restraint characteristic
- 87L Trip Logic
- Disturbance Detector
- Charging Current Compensation
- Distance Backup
- Synchrocheck
- Autoreclose
- Line Pickup
- Breaker Fail Detection for single and
three pole operation
- Stub Bus protection
- Open Pole detection
L90 Hardware overview
- Specifications
- Hardware configuration
- Communication test procedures
Wiring
- Power Supply
- VT Inputs
- CT Inputs
- Peer-to-Peer Communications
- Analog Inputs
- IRIG-B |
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Creating a protection and control settings
file for a typical Transmission Line
application
Review of Event Records and
Oscillography files for different
Transmission Line faults
Line Phase Comparison theory of
operation
L60 Pilot Communication interfaces
L60 Protection element overview
- Phase Comparison
- Backup Distance protection
- Breaker Failure
- Instantaneous and Timed
- Overcurrent
- Directional Overcurrent
- Under/Overvoltage
Synchrocheck
Autoreclose
Single Pole Tripping
L60 Hardware overview
- Specifications
- Hardware configuration and wiring
Creating a protection and control settings
file for a typical Transmission Line
application |
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Protection & Control 
