ABB REF615 Feeder Protection and Control Relay

Overview

The REF615 is a dedicated feeder protection and control relay designed for protection, control, measurement, and supervision of overhead lines and cable feeders in utility and industrial power distribution systems. It supports radial, looped, and meshed distribution networks, with or without distributed power generation.

Part of ABB’s Relion® family, the REF615 belongs to the 615 protection and control product series, offering robust and flexible solutions for feeder automation.

Scope

• Feeder protection for overhead and cable feeders in various network topologies.

Product Benefits

• Comprehensive protection and control functionalities utilizing sensors or conventional instrument transformers.

• Ready-made standard configurations for quick setup, with options for customization to meet specific requirements.

• Withdrawable plug-in unit design enables fast installation and easy testing.

• Large graphical display shows customizable Single Line Diagrams (SLDs), accessible locally or via a user-friendly web-browser-based HMI.

• Extensive life-cycle services for ongoing support and maintenance.

Product Features

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

• Voltage, frequency, and power-based protection and measurement capabilities.

• Advanced earth-fault protection portfolio featuring unique multi-frequency admittance-based methods for enhanced sensitivity and selectivity.

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

• Supports IEC 61850 Editions 1 and 2, including High-availability Seamless Redundancy (HSR), Parallel Redundancy Protocol (PRP), GOOSE messaging, and IEC 61850-9-2 LE for reduced wiring and supervised communication.

• IEEE 1588 V2 support ensures high-accuracy time synchronization, optimizing substation-level Ethernet communication.

• Communication protocols supported include Modbus, DNP3, and IEC 60870-5-103 for versatile integration.