GE MiCOM P40 Agile Technical Manual page 7

P543i/P545i
4.9 Cross Country Fault Protection
5 Delta Directional Element
5.1 Delta Directional Principle and Setup
5.2 Delta Directional Decision
6 Distance Isolated and Compensated Systems
6.1 Peterson Coil Earthed Systems
6.2 Earth Fault Distance Protection for Isolated and Compensated Systems
6.2.1 Single-phase to Earth Faults on Isolated or Compensated Systems
6.2.2 Cross-Country Faults on Isolated or Compensated Systems
6.3 Implementation of Distance Protection for Isolated and Compensated Networks
6.3.1 Network Earthing System Setting
6.3.2 First Earth FaultDetection
6.3.3 Fault Detection Logic
6.3.4 Phase Preferential Logic
7 Application Notes
7.1 Setting Mode Choice
7.2 Operating Characteristic Selection
7.2.1 Phase Characteristic
7.2.2 Earth Fault Characteristic
7.3 Zone Reach Setting Guidelines
7.3.1 Quadrilateral Resistive Reaches
7.4 Earth Fault Resistive Reaches and Tilting
7.4.1 Dynamic Tilting
7.4.2 Fixed Tilting
7.5 Phase Fault Zone Settings
7.6 Directional Element for Distance Protection
7.7 Filtering Setup
7.7.1 Distance Digital Filter
7.7.2 Setting up CVTs
7.8 Load Blinding Setup
7.9 Polarizing Setup
7.10 Delta Directional Element Setting Guidelines
7.10.1 Delta Thresholds
7.11 Distance Protection Worked Example
7.11.1 Line Impedance Calculation
7.11.2 Residual Compensation for Earth Fault Elements
7.11.3 Zone 1 Phase and Ground Reach Settings
7.11.4 Zone 2 Phase and Ground Reach Settings
7.11.5 Zone 3 Phase and Ground Reach Settings
7.11.6 Zone 3 Reverse Reach Settings
7.11.7 Zone 4 Reverse Reach Settings
7.11.8 Load Avoidance
7.11.9 Quadrilateral Resistive Reach Settings
7.12 Teed Feeder Applications
Chapter 8 Carrier Aided Schemes
1 Chapter Overview
2 Introduction
3 Carrier Aided Schemes Implementation
3.1 Carrier Aided Scheme Types
3.2 Default Carrier Aided Schemes
4 Aided Distance Scheme Logic
4.1 Permissive Underreach Scheme
4.2 Permissive Over-reach Scheme
4.2.1 Permissive Overreach Trip Reinforcement
4.2.2 Permissive Overreach Weak Infeed Features
4.3 Permissive Scheme Loss Of Guard
P54x1i-TM-EN-1
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