ABB REF615C-D Feeder Protection and Control Relay

Description

The REF615 is a dedicated feeder protection and control relay designed for the protection, control, measurement, and supervision of overhead lines and cable feeders in both utility and industrial power distribution systems. It is suitable for radial, looped, and meshed distribution networks, with or without distributed power generation.
As a member of ABB’s Relion® family and part of the 615 protection and control product series, the REF615 combines high-performance protection with advanced communication and control capabilities.

Scope

• Feeder protection

Product Benefits

• Comprehensive range of protection and control functions, compatible with both sensors and conventional instrument transformers

• Pre-engineered standard configurations for fast setup, with options for customization

• Withdrawable plug-in unit for quick installation and testing

• Large graphical display for customizable single-line diagrams (SLDs), accessible locally or via a web-browser-based HMI

• Wide range of life-cycle support services

Product Features

• Directional and non-directional overcurrent and earth-fault protection

• Voltage, frequency, and power-based protection and measurement functions

• Advanced earth-fault protection, including multi-frequency admittance-based technology for improved sensitivity and selectivity

• Optional high-speed fault location for short circuits and earth faults, arc protection, and high-speed outputs

• Compliance with IEC 61850 Editions 1 and 2, including HSR and PRP redundancy, GOOSE messaging, and IEC 61850-9-2 LE for reduced wiring and monitored communication

• IEEE 1588 V2 support for precise time synchronization and optimized substation-level Ethernet communication

• Support for Modbus, DNP3, and IEC 60870-5-103 communication protocols