GE MiCOM P40 Technical Manual page 11

P446SV
1 Chapter Overview
2 Phase Fault Overcurrent Protection
2.1 POC Implementation
2.2 Directional Element
2.3 POC Logic
3 Negative Sequence Overcurrent Protection
3.1 Negative Sequence Overcurrent Protection Implementation
3.2 Directional Element
3.3 NPSOC Logic
3.4 Application Notes
3.4.1 Setting Guidelines (Current Threshold)
3.4.2 Setting Guidelines (Time Delay)
3.4.3 Setting Guidelines (Directional element)
4 Earth Fault Protection
4.1 Earth Fault Protection Implementation
4.2 IDG Curve
4.3 Directional Element
4.3.1 Residual Voltage Polarisation
4.3.2 Negative Sequence Polarisation
4.4 Earth Fault Protection Logic
4.5 Application Notes
4.5.1 Residual Voltage Polarisation Setting Guidelines
4.5.2 Setting Guidelines (Directional Element)
5 Sensitive Earth Fault Protection
5.1 SEF Protection Implementation
5.2 EPATR B Curve
5.3 Sensitive Earth Fault Protection Logic
5.4 Application Notes
5.4.1 Insulated Systems
5.4.2 Setting Guidelines (Insulated Systems)
6 High Impedance REF
6.1 High Impedance REF Principle
7 Thermal Overload Protection
7.1 Single Time Constant Characteristic
7.2 Dual Time Constant Characteristic
7.3 Thermal Overload Protection Implementation
7.4 Thermal Overload Protection Logic
7.5 Application Notes
7.5.1 Setting Guidelines for Dual Time Constant Characteristic
7.5.2 Setting Guidelines for Single Time Constant Characteristic
8 Broken Conductor Protection
8.1 Broken Conductor Protection Implementation
8.2 Broken Conductor Protection Logic
8.3 Application Notes
8.3.1 Setting Guidelines
Chapter 14 Voltage Protection Functions
1 Chapter Overview
2 Undervoltage Protection
2.1 Undervoltage Protection Implementation
2.2 Undervoltage Protection Logic
2.3 Application Notes
2.3.1 Undervoltage Setting Guidelines
3 Overvoltage Protection
3.1 Overvoltage Protection Implementation
3.2 Overvoltage Protection Logic
P446SV-TM-EN-1
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