GE P643 User Manual

2.1 Navigating the HMI Panel 79
2.2 Getting Started 79
2.3 Default Display 80
2.4 Default Display Navigation 81
2.5 Password Entry 82
2.6 Processing Alarms and Records 82
2.7 Menu Structure 83
2.8 Changing the Settings 84
2.9 Direct Access (The Hotkey menu) 85
2.9.1 Setting Group Selection Using Hotkeys 85
2.9.2 Control Inputs 85
2.10 Function Keys 86
3 Configuring the Data Protocols 88
3.1 Courier Configuration 88
3.2 DNP3 Configuration 89
3.2.1 DNP3 Configurator 90
3.3 IEC 60870-5-103 Configuration 91
3.4 MODBUS Configuration 92
3.5 IEC 61850 Configuration 93
3.5.1 IEC 61850 Configuration Banks 94
3.5.2 IEC 61850 Network Connectivity 94
4 Date and Time Configuration 95
4.1 Time Zone Compensation 95
4.2 Daylight Saving Time Compensation 95
5 Phase Rotation 96
5.1 CT and VT Reversal 96
Chapter 6 Transformer Differential Protection 97
1 Chapter Overview 99
2 Transformer Differential Protection Principles 100
2.1 Through Fault Stability 100
2.2 Bias Current Compensation 100
2.3 Three-phase Transformer Connection Types 101
2.4 Phase and Amplitude Compensation 104
2.5 Zero Sequence Filtering 105
2.6 Magnetising Inrush Restraint 105
2.7 Overfluxing Restraint 106
3 Implementation 107
3.1 Defining the Power Transformer 107
3.2 Selecting the Current Inputs 107
3.3 Phase Correction 108
3.4 Ratio Correction 108
3.5 CT Parameter Mismatch 109
3.6 Setting up Zero Sequence Filtering 110
3.7 Tripping Characteristics 110
3.7.1 High-Set Function 111
3.7.2 Circuitry Fail Alarm 111
3.8 Tripping Characteristic Stability 112
3.8.1 Maximum Bias 112
3.8.2 Delayed Bias 112
3.8.3 Transient Bias 112
3.8.4 CT Saturation Technique 113
3.8.5 No Gap Detection Technique 113
3.8.6 External Fault Detection Technique 113
3.8.7 Current Transformer Supervision 114
3.8.8 Circuitry Fail Alarm 115
P64x Contents
P64x-TM-EN-1.3 iii

GE P643 Specifications

General

Brand	GE
Model	P643
Category	Relays
Language	English