ABB REM615E_G medium-voltage protection relays

The following is a simplified version of the core technical specifications and application analysis of the ABB REM615E_G protection relay:

Core Positioning

Item Parameters/Description

Model REM615E_G

Series ABB Relion® 615 Line Protection Relay

Suffix Meaning: E = Standard Hardware Platform

G = Global Certifications (UL/CE/IEC)

Core Functions

1. Protection Functions

Main Protection:

Three-stage Phase/Ground Overcurrent (OC/EF)

Distance Protection (Z1/Z2/Z3)

Auto-Reclosing (ARC, up to 4 times)

Backup Protection:

Voltage/Frequency Protection (27/59, 81O/U)

Circuit Breaker Failure Protection (50BF)

2. Control and Monitoring

Logic Control: IEC 61131-3 PLC Programming

Measurement: Real-time monitoring of current/voltage/power/energy

Fault Analysis:

128 event logs

32 fault waveform recordings (sampling rate 4kHz)

3. Communication Protocol

Type Protocol Interface

Core Protocol IEC 61850 Ed2 (GOOSE/SV) 2 x RJ45 Ethernet

Industrial Protocol Modbus TCP/RTU, DNP3.0, IEC 60870-5-103 1 x RS485

Technical Parameters

Category Specifications

Rated Power Supply 48-250V DC/AC (±20%)

Current Input 1A or 5A (CT secondary, hardware adjustable)

Digital Inputs 12 (24-250V DC/AC)

Digital Outputs 8 (Mechanical Relay, 5A/250V AC)

Operating Temperature -25°C to +70°C

Mounting Method DIN Rail or Panel Cutout (142mm Depth)

Typical Application Scenarios

Grid Distribution: 10-35kV Feeder Protection

Industrial Power Supply: Integrated Protection for Factory Incoming/Outgoing Lines

New Energy Stations: Wind Farm Collector Line Protection

Infrastructure: Subway/Tunnel Power Supply Systems

Engineering Advantages

Configuration Tools:

ABB PCM600 (One-Stop Configuration of Protection Logic, Settings, and Communication)

Debugging Efficiency:

Supports GOOSE Visualization and Joint Debugging

Pre-installed Standard Protection Solution Library