GE RED615E_1G 1VHR91354960 Line Differential Protection Device

GE RED615E_1G 1VHR91354960 Line Differential Protection Device

I. Basic Information
Brand: ABB (the GE relay protection product line was incorporated into the ABB Relion series)
Model: RED615E_1G
Product Series: Relion 615 Series
Product Type: Phase-separated two-terminal line differential protection measurement and control IED
Serial Number: 1VHR91354960 (the unique factory-issued code for the equipment, used for original factory maintenance, traceability calibration)
Version Description: E = Economic hardware platform; 1G = The 1st generation firmware hardware version
Model Interpretation
RED: Line Differential dedicated device
615: Medium-voltage relay protection platform of ABB 615 series
E: Economy version, simplifies hardware configuration, suitable for conventional distribution network scenarios
1G: Hardware firmware V1 version, supports IEC61850 Ed1 communication standard

Core Protection Functions
Main Protection: Phase comparison ratio braking line differential protection
The two-terminal device exchanges data through optical fiber / guiding cable, accurately identifies inter-phase short-circuit faults within the line, realizes full-line rapid tripping, solves the problem of traditional overcurrent protection over-tripping, suitable for cable, overhead lines, ring networks, and distribution network lines containing distributed power sources.
Backup Protection Functions
Three-phase direction / non-direction overcurrent, inverse-time overcurrent protection
Sensitive grounding fault SEF protection, intermittent grounding protection, CT open circuit locking
Overvoltage, undervoltage, negative-sequence voltage, frequency abnormal protection
Thermal overload protection, circuit breaker failure protection, three-phase automatic reclosing once
Measurement and Control Functions
Three-phase current, voltage, power, energy, harmonic measurement; Circuit breaker local / remote tripping, isolator interlock control; Fault recording, event sequence recording SOE, loop online monitoring.

Hardware and Electrical Parameters
Power Supply: AC/DC 85~265V universal AC/DC power supply
Standard I/O Configuration
Analog Input: 6 current, 4 voltage (conventional CT/PT connection)
Switching Quantity DI: 16 passive remote signal inputs; DO: 10 trip, remote control outputs
Communication Interfaces
Dual Ethernet, supports IEC 61850, GOOSE, Modbus TCP, 104 protocol
Serial Port supports Modbus RTU, IEC60870-5-103
Differential dedicated optical interface, point-to-point communication between two-terminal devices
Environmental Parameters: Working temperature -20℃~+60℃, cabinet IP20 protection; 4U standard chassis, plug-in type removable module design, convenient for on-site maintenance and replacement.

Typical Application Scenarios
Urban distribution network, industrial factory, wind farm, photovoltaic power station dual power supply / ring network connection lines main protection
Substation station bus, incoming line, important cable lines full-line rapid protection
Feeder unit with built-in transformer main protection, replacing multiple conventional relay protection devices

Supporting Debugging Tools
Configuration Software: PCM600, used for protection setting, logic programming (CFC graphical programming), fault recording reading, device firmware upgrade, Web web page remote operation.

Distinction of Similar Models in the Same Series
REF615E: Conventional feeder protection (without line differential function)
RED615E: Line ends differential dedicated protection
RET615: Transformer differential protection, REM615: Motor protection, REG615: Generator protection