ABB REF615C-D Integrated Feeder Protection and Control Relay

Product Overview
The ABB REF615C-D is a high-performance integrated protection and control relay designed for feeder applications in utility and industrial power distribution systems. It provides comprehensive protection, control, measurement, and supervision functions for overhead lines and cable feeders in radial, ring, and mesh distribution networks, supporting both systems with and without distributed generation. As part of the ABB Relion® 615 series, the REF615C-D offers advanced digital technology and communication capabilities to ensure reliable and efficient operation of power systems.

Category:
Description

Technical Specifications

  • Rated Voltage: Up to 35 kV
  • Rated Current: Up to 1000 A
  • Protection Functions:
    • Overcurrent protection (phase and earth fault)
    • Overvoltage and undervoltage protection
    • Overfrequency and underfrequency protection
    • Negative sequence overcurrent protection
    • Thermal overload protection
    • Auto-reclosing
    • Breaker failure protection
  • Measurement Functions:
    • Current, voltage, power, and energy measurements
    • Harmonic analysis
    • Fault recording and event logging
  • Communication Interfaces:
    • Ethernet (IEC 61850, Modbus TCP)
    • Serial ports (RS-232, RS-485)
    • Supports IEC 60870-5-103, DNP3, and PROFIBUS protocols
  • Display: Large graphic LCD with customizable single-line diagrams
  • Dimensions: 483 mm x 306 mm x 210 mm
  • Weight: Approximately 25 kg

Key Features

  • High Precision: Utilizes high-precision measuring elements and advanced digital signal processing technology to ensure accurate and reliable measurement data.
  • Multifunctionality: Provides a wide range of protection functions to meet various application requirements, including comprehensive feeder protection and advanced control features.
  • Reliability: Designed with high-reliability components and manufacturing processes to ensure stable and dependable operation in harsh industrial environments.
  • Flexibility: Offers flexible protection configuration options, allowing users to customize protection parameters and time-current curves according to specific needs.
  • User-Friendly Interface: Features an intuitive human-machine interface (HMI) with a large graphic LCD display for easy parameter setting, monitoring, and diagnostics.
  • Advanced Communication: Supports multiple communication protocols, enabling seamless integration with upper-level systems for remote monitoring and control.
  • Compact Design: Modular and compact design facilitates easy installation, expansion, and maintenance.

Application Scenarios

  • Utility Distribution Networks: Used in power substations for protecting and controlling feeders in radial, ring, and mesh distribution networks.
  • Industrial Power Systems: Applied in industrial facilities such as petrochemical plants, steel mills, and automotive manufacturing plants for reliable power distribution and equipment protection.
  • Renewable Energy Integration: Supports distributed generation systems by providing protection and control for feeders connected to renewable energy sources like solar and wind power.
  • Infrastructure Projects: Utilized in infrastructure projects such as rail transit, airports, and data centers to ensure uninterrupted power supply and system reliability.
  • Smart Grid Applications: Enables advanced grid management functions such as wide-area monitoring, adaptive protection, and self-healing through its support for IEC 61850-based communication.
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