ABB REF615C_D Feeder Protection And Control Relay

The ABB REF615C_D Feeder Protection and Control Relay is a next-generation intelligent electronic device (IED) designed to deliver advanced protection, monitoring, and control for medium-voltage distribution feeders. As part of ABB’s Relion® 615 family, the REF615C_D integrates modern digital technologies to ensure reliable network operation and seamless integration into smart grid and substation automation systems.

It provides a complete set of feeder protection functions, including overcurrent, earth fault, voltage, frequency, and breaker failure protection. With IEC 61850 compliance and support for multiple communication protocols, the REF615C_D enables high-speed data exchange and interoperability with various SCADA and control systems. Its compact design, user-friendly interface, and robust construction make it a trusted solution for both utility and industrial applications.

Product Specifications

Product Applications

The ABB REF615C_D is designed to provide reliable and efficient feeder protection across various environments:

• Medium-Voltage Distribution Systems: Protects feeders in radial, ring, and meshed networks.

• Industrial Power Plants: Provides secure and continuous power for heavy industrial processes.

• Substation Automation: Integrates into IEC 61850-compliant digital substations with full GOOSE support.

• Smart Grid Networks: Enhances monitoring, control, and interoperability for intelligent grid applications.

• Renewable Energy Systems: Protects and monitors feeders in wind, solar, and hybrid energy installations.

• Breaker Operation and Coordination: Offers secure breaker failure detection and interlocking to prevent cascading faults.

Product Advantages

• Comprehensive Protection Suite: Incorporates multiple feeder protection elements into one device, reducing complexity.

• Full IEC 61850 Support: Enables seamless integration with digital substations and high-speed peer-to-peer communication.

• Advanced Monitoring & Event Analysis: Built-in disturbance recorder and detailed event logging assist in fast fault diagnosis.

• Wide Protocol Compatibility: Supports Modbus, DNP3, IEC 60870-5-103, and Profibus in addition to IEC 61850.

• Intuitive User Interface: Large graphical display and structured menus simplify configuration and monitoring.

• Rugged Design: Designed to withstand harsh environmental and electrical conditions with extended temperature ranges.

FAQ

1. What types of protection does the REF615C_D provide?

   It offers overcurrent, earth-fault, voltage, frequency, and breaker failure protection in a single unit.

2. Is the REF615C_D fully compliant with IEC 61850 standards?

   Yes, it supports IEC 61850, including GOOSE messaging for fast peer-to-peer communication.

3. Can the REF615C_D operate in meshed distribution networks?

   Yes, it supports radial, ring, and meshed feeder configurations, making it versatile for different grid topologies.

4. What auxiliary voltage range does the device accept?

   The device supports 24–250 V DC and 100–240 V AC auxiliary power inputs.

5. Does the REF615C_D include breaker failure protection and interlocking?

   Yes, it integrates breaker failure detection and advanced interlocking schemes for enhanced network reliability.

6. What kind of event recording capabilities does it have?

   It can store over 1000 time-stamped events and includes a high-resolution disturbance recorder.

7. Which communication protocols are supported besides IEC 61850?

   It supports Modbus, DNP3, IEC 60870-5-103, and Profibus for broad interoperability.

8. Can the REF615C_D measure and log electrical parameters?

   Yes, it measures current, voltage, power, energy, and frequency with high accuracy.

9. Is the device suitable for renewable energy integration?

   Yes, it is widely used for protecting feeders in wind, solar, and hybrid renewable systems.

10. Does the REF615C_D support integration with substation automation systems?

    Yes, it is designed to work seamlessly with SCADA and digital substation automation platforms.