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845
GE 845 Instruction Manual
GE 845 Instruction Manual
Also see for 845:
Instruction manual
Table of content
Contents
Table Of Contents
Table Of Contents
Table Of Contents
Table Of Contents
Table Of Contents
INTRODUCTION Overview
Description of the 845 Transformer Protection Relay
Security Overview
Order Codes
Specifications
Control
Recording
Metering
Inputs
Outputs
Power Supply
Testing & Certification
Physical
General Cautions and Warnings
Must-read Information
For Further Assistance
INSTALLATION Mechanical Installation
Mounting
Standard Panel Mount
Draw-out Unit Withdrawal and Insertion
Removable Power Supply
Removable Magnetic Module
Electrical Installation
Terminal Identification
Wire Size
Ground CT Inputs
Restricted Earth Fault Inputs
Control Power
Contact Inputs
Serial Communications
IRIG-B
INTERFACES Front Control Panel Interface
Working with Graphical Display Pages
LED Status Indicators
Home Screen Icons
Relay Messages
Self-test Errors
Flash Messages
Software Interface
Hardware & Software Requirements
Connecting EnerVista 8 Series Setup software to the Relay
Configuring Ethernet Communications
Connecting to the Relay
Working with Setpoints & Setpoints Files
File Support
Downloading & Saving Setpoints Files
Upgrading Setpoints Files to a New Revision
Printing Setpoints
Printing Values from a Connected Device
Loading Setpoints from a File
Upgrading Relay Firmware
Advanced EnerVista 8 Series Setup Software Features
Transient Recorder (Waveform Capture)
Protection Summary
Offline Settings File Conversion
Conversion Summary Report
Results Window
SETPOINTS Setpoints Main Menu
Protection and Trip Breaker Selection
Setpoints Entry Methods
Common Setpoints
Logic Diagrams
Setpoints Text Abbreviations
Device
Clock
PTP Configuration
SNTP Protocol
Basic Security
CyberSentry
Communications
Ethernet Ports
Modbus Protocol
DNP / IEC104 Point Lists
IEC 60870-5-104
IEC 60870-5-103
IEC 61850
Transient Recorder
Data Logger
Fault Reports
Flex State
Programmable LEDs
Programmable Pushbuttons
Front Panel
Default Screens
Resetting
System
Current Sensing
Voltage Sensing
Power Sensing
Power System
Transformer
Transformer Setup
Xfmer Status Detection
Thermal Inputs
Onload Tap Changer
Breakers
FlexCurves
Virtual Inputs
Remote Inputs
Auxiliary Relay selected for breaker Trip
Aux Relay selected for breaker Close
Critical Failure Relay #8
Protection
Percent Differential
Transformer Overload
Current Elements
Percent of Load-To-Trip
Phase Time Overcurrent Protection
Phase Instantaneous Overcurrent Protection
Phase Directional Overcurrent Protection
Neutral Time Overcurrent Protection
Neutral Instantaneous Overcurrent Protection
Neutral Directional Overcurrent Protection
Ground Time Overcurrent Protection
Ground Instantaneous Overcurrent Protection
Ground Directional Overcurrent Protection
Restricted Ground (Earth) Fault
Negative Sequence Time Overcurrent Protection
Negative Sequence Instantaneous Overcurrent Protection
Voltage Elements
Auxiliary Undervoltage
Phase Overvoltage Protection
Auxiliary Overvoltage Protection
Neutral Overvoltage Protection
Negative Sequence Overvoltage Protection
Volts per Hertz
Power Elements
Frequency Elements
Overfrequency
Frequency Rate of Change
Monitoring
Thermal Elements
Tap Changer Failure
Trip and Close Circuit Monitoring
Breaker Arcing Current
Breaker Health
Functions
Demand
Pulsed Outputs
Digital Counters
Breaker Control
Trip Bus
Breaker Failure
Setup
Initiate
Synchrocheck
VT Fuse Failure
FlexLogic
Timers
Non-volatile Latches
FlexLogic Equation
FlexElements
RTD Temperature
STATUS Breakers
Virtual Outputs
Information
Comms CPU
Device Status
PTP Status
Percent Differential Current
Windings
Currents
Voltages
Frequency
Harmonics 2
Harmonics 3
Power
Energy
Current Demand K1
Directional Power
RTDs
RTD Maximums
Events
Transient Records
Environmental Health Report
Warranty
Instruction manual
Product version: 1.4x
GE publication code: 1601-0651-A1 (GEK-119651)
*1601-0450-A1*
845
Transformer Protection Relay
Transformer Protection, Control and Management
GE
Digital Energy
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This manual is suitable for:
845
