Product Name:

ABB REF615 HBFEAEAGNDA1ABA1XG – Protection and Control Relay

Product Description:

The ABB REF615 is a modular protection and control relay specifically designed for use in medium-voltage electrical systems, such as in substations, transformers, and distribution networks. It is part of ABB’s 615 series, which combines advanced protection features, control functions, and communication capabilities for electrical equipment. The REF615 relay is typically employed in the protection of feeders, motors, generators, and transformers.

This relay features comprehensive protection algorithms, remote monitoring, and programmable logic control (PLC) functionality. It can integrate into a variety of automation systems, providing users with high-level diagnostics, protection, and control.

Product Parameters & Specifications:

• Protection Features:
  • Overcurrent protection (Phase and Earth Fault)
  • Short-circuit protection
  • Differential protection
  • Overload protection
  • Directional protection (optional)
  • Voltage and frequency protection
  • Transformer protection (including differential and temperature monitoring)
• Communication Protocols:
  • IEC 61850 (standardized communication for substation automation)
  • Modbus RTU/TCP
  • DNP3
  • OPC
  • Profibus DP (optional)
• Inputs/Outputs:
  • Digital inputs: 4-12 (varies by configuration)
  • Digital outputs: 4-8 (varies by configuration)
  • Analog inputs: 2-4 (varies by configuration)
• Voltage and Current Ratings:
  • Voltage: Up to 400V (depending on application)
  • Current: Configurable for different CT (Current Transformer) ratings
• Display:
  • LCD display with 3-phase measurement and event display
  • User-friendly interface for settings and monitoring
• Operating Conditions:
  • Temperature range: -25°C to +70°C
  • Humidity: 95% non-condensing
  • Protection Class: IP40 (with optional IP54)
• Power Supply:
  • Nominal voltage: 24V DC / 48V DC / 110V DC / 220V DC (depending on version)
• Auxiliary Features:
  • Local and remote control capabilities
  • Configurable trip settings and time delays
  • Event logging with time-stamped records for diagnostics
  • Modular design for easy upgrades and integration into existing systems

Product Use:

The ABB REF615 relay is designed for protecting and controlling the electrical systems in the following applications:

• Distribution Networks: Protection of feeders and transformers, including fault detection, overload, and short-circuit protection.
• Substations: Protection for medium-voltage feeders, transformers, and generators.
• Industrial Facilities: Protection for motors, generators, and other critical electrical equipment.
• Renewable Energy Systems: For integrating and protecting renewable energy generation sources like wind and solar farms.
• Smart Grids: Integration with advanced grid management systems through its communication interfaces.
• Power Generation: Protection for key components in power plants, including turbines, transformers, and distribution circuits.

Key Benefits:

• Modular & Scalable Design: The system can be customized based on the protection needs of the application.
• Advanced Communication: Supports IEC 61850 and other communication protocols, enabling seamless integration into modern digital substations.
• Reliability & Efficiency: ABB’s proven technology ensures high performance and reduced downtime in critical infrastructure.
• Ease of Use: The intuitive interface and customizable features simplify operation, setup, and diagnostics.

This protection relay is essential for ensuring the safety, reliability, and efficiency of medium-voltage electrical systems, offering both operational flexibility and robust protection features.