ABB REF620 NBFNAANNNDA1BBN1XF Feeder Protection Device

• Input/Output Options: Supports a variety of input and output modules for analog and digital signals, allowing for flexible configuration based on specific application requirements.
• Communication Interfaces:
  • Supports IEC 61850 standard for seamless integration with substation automation systems.
  • Enables remote monitoring and control through various communication protocols, including Modbus, DNP3, and IEC 60870-5-103.
  • Supports redundant Ethernet options (HSR/PRP) for enhanced communication reliability.
  • Supports IEEE 1588 V2 precision time protocol for high-accuracy time synchronization.
• Display: Features a large graphical display for showing customizable single-line diagrams (SLDs), accessible locally or through an easy-to-use web-based HMI.
• Mechanical Design: Withdrawable plug-in unit design for swift installation and testing, saving time and effort during maintenance.

Functional Features

• Comprehensive Protection Functions:
  • Overcurrent protection (directional and non-directional).
  • Earth fault protection with unique multi-frequency admittance-based methods for higher sensitivity and selectivity.
  • Overvoltage/undervoltage protection.
  • Overfrequency/underfrequency protection.
  • Phase imbalance and discontinuity protection.
  • Thermal overload protection.
  • Arc fault detection (optional).
• Measurement Capabilities: Real-time measurement of current, voltage, power factor, and energy for extensive monitoring and system performance assessment.
• Flexible Configuration: Multiple standard configurations available for quick setup, with the ability to tailor parameters and thresholds to meet specific application needs.
• Self-Supervision and Diagnostics: Continuously monitors relay hardware and software, storing event logs and fault records for analysis and optimization.
• User-Friendly Interface: Intuitive HMI with multi-language support for easy operation and configuration.

Application Scenarios

• Utility Substations: Protects overhead lines and cable feeders in primary and secondary distribution substations, ensuring reliable power delivery to end-users.
• Industrial Power Systems: Safeguards critical equipment in manufacturing plants, petrochemical facilities, and other industrial settings, preventing electrical faults from impacting production processes.
• Renewable Energy Integration: Supports grid connection and protection for wind and solar power generation systems, facilitating the integration of renewable energy sources into the power grid.
• Smart Grids: Acts as a protection and control unit for distributed energy resources, supporting demand response and energy management in smart grid applications.
• Infrastructure Projects: Applied in railways, airports, and data centers for reliable power distribution and protection, ensuring continuous operation of essential services.
• Energy Distribution: Can be applied to urban energy networks, industrial park power grids, and other scenarios to ensure the safe and stable operation of various parts of the power grid.