GE MiCOM P40 Technical Manual page 12

Contents
3.3 Application Notes
3.3.1 Overvoltage Setting Guidelines
4 Compensated Overvoltage
5 Residual Overvoltage Protection
5.1 Residual Overvoltage Protection Implementation
5.2 Residual Overvoltage Logic
5.3 Application Notes
5.3.1 Calculation for Solidly Earthed Systems
5.3.2 Calculation for Impedance Earthed Systems
5.3.3 Setting Guidelines
Chapter 15 Frequency Protection Functions
1 Chapter Overview
2 Frequency Protection
2.1 Underfrequency Protection
2.1.1 Underfrequency Protection Implementation
2.1.2 Underfrequency Protection logic
2.1.3 Application Notes
2.2 Overfrequency Protection
2.2.1 Overfrequency Protection Implementation
2.2.2 Overfrequency Protection logic
2.2.3 Application Notes
3 Independent R.O.C.O.F Protection
3.1 Indepenent R.O.C.O.F Protection Implementation
3.2 Independent R.O.C.O.F Protection Logic
Chapter 16 Monitoring and Control
1 Chapter Overview
2 Event Records
2.1 Event Types
2.1.1 Opto-input Events
2.1.2 Contact Events
2.1.3 Alarm Events
2.1.4 Fault Record Events
2.1.5 Maintenance Events
2.1.6 Protection Events
2.1.7 Security Events
2.1.8 Platform Events
3 Disturbance Recorder
4 Measurements
4.1 Measured Quantities
4.2 Measurement Setup
4.3 Fault Locator
4.4 Opto-input Time Stamping
5 CB Condition Monitoring
5.1 Broken Current Accumulator
5.2 CB Trip Counter
5.3 CB Operating Time Accumulator
5.4 Excessive Fault Frequency Counter
5.5 Reset Lockout Alarm
5.6 CB Condition Monitoring Logic
5.7 Reset Circuit Breaker Lockout
5.7.1 Reset CB Lockout Logic Diagram
5.8 Application Notes
5.8.1 Setting the Thresholds for the Total Broken Current
5.8.2 Setting the thresholds for the Number of Operations
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