ABB REF611 Feeder Protection Relay

Overview

The REF611 is a versatile feeder protection relay designed for protecting, controlling, and monitoring utility substations and industrial power systems. It offers both directional and non-directional overcurrent and earth-fault protection. The REF611 is part of ABB's Relion® product family and features a compact, user-friendly design suitable for new installations or retrofit projects. This relay ensures high reliability and operational efficiency in various applications, including isolated neutral, compensated, and directly earthed neutral networks.

Technical Specifications

• Protection Types:

  • Directional Overcurrent
  • Non-Directional Overcurrent
  • Directional Earth-Fault
  • Non-Directional Earth-Fault

• Communication:

  • Self-healing Communication: Supports HSR/PRP with an optional second Ethernet bus.
  • IEC 61850 Compliance: Supports both Edition 1 and Edition 2, including GOOSE messaging.

• Human Machine Interface (HMI):

  • Web-browser-Based HMI: Features an intuitive I/O matrix for easy configuration and control.
  • Powerful Interface: Simplifies relay setup and monitoring.

• Configuration:

  • Pre-configured Solutions: Factory-tested and ready for quick commissioning in utility distribution and industrial applications.
  • Application-Specific Configurations: Standard configurations that reduce setup and commissioning time.

• Design and Installation:

  • Compact and Robust: Suitable for both new and retrofit installations.
  • Withdrawable Plug-in Unit: Enables quick installation and testing.

• Operating Environment:

  • Temperature Range: Typically designed to operate in a wide temperature range (details may vary based on specific models).
  • Vibration and Shock Resistance: Suitable for harsh industrial and utility environments.

• Compliance:

  • Meets international standards for protection, control, and communication protocols.