The ABB REF615C_C Feeder Protection and Control Relay is an advanced intelligent electronic device (IED) designed to provide comprehensive protection, control, monitoring, and supervision of medium-voltage distribution feeders. It is part of ABB’s Relion® 615 series, offering compact design combined with high functionality to meet the requirements of modern power distribution networks and smart grid infrastructures.

The REF615C_C is fully IEC 61850 compliant and supports multiple communication protocols, making it suitable for seamless integration into digital substations. It features extensive protection functions including overcurrent, earth-fault, voltage, frequency, and breaker failure protection, along with advanced measurement and event recording capabilities. Its robust design and flexible configuration options make it ideal for both utility and industrial feeder applications.

Product Specifications

Product Applications

The ABB REF615C_C is widely utilized in medium-voltage networks and industrial power systems for reliable feeder protection and control:

• Medium-Voltage Distribution Feeders: Provides protection and control for radial, ring, and meshed network topologies.

• Industrial Power Systems: Ensures reliable operation of feeders in industrial plants and processing facilities.

• Substation Automation: Designed for seamless integration into IEC 61850-based digital substations.

• Smart Grid Infrastructure: Supports intelligent monitoring and control for modern grid applications.

• Renewable Energy Integration: Protects feeders in wind farms, solar plants, and hybrid power generation systems.

• Breaker Supervision and Interlocking: Ensures secure breaker operation and protection coordination.

Product Advantages

• Comprehensive Protection Suite: Provides advanced overcurrent, earth-fault, voltage, and frequency protection in a single device.

• IEC 61850 Compliance: Enables full digital substation integration with GOOSE messaging and interoperability.

• Flexible Communication: Supports multiple standard protocols for compatibility with SCADA and control systems.

• Advanced Event Recording: Integrated disturbance recorder and extensive event logging facilitate detailed fault analysis.

• User-Friendly Interface: Equipped with a large graphical LCD and intuitive menu navigation for easy operation.

• Robust Industrial Design: Designed to perform reliably in harsh operating conditions with a wide temperature range.

FAQ

1. What protection functions are integrated into the REF615C_C?

   It includes overcurrent, earth-fault, voltage, frequency, and breaker failure protection functions.

2. Does the REF615C_C support IEC 61850 GOOSE messaging?

   Yes, the device is fully IEC 61850 compliant and supports GOOSE-based peer-to-peer communication.

3. Can the REF615C_C be used in both radial and ring feeder configurations?

   Yes, it supports protection and control of feeders in radial, ring, and meshed network topologies.

4. What auxiliary power supply range does the device support?

   It operates on a wide auxiliary voltage range of 24–250 V DC and 100–240 V AC.

5. Does the REF615C_C include a built-in disturbance recorder?

   Yes, it has an integrated disturbance recorder and can store more than 1000 time-stamped events.

6. Which communication protocols are available on the REF615C_C?

   It supports IEC 61850, Modbus, DNP3, IEC 60870-5-103, and Profibus protocols.

7. Is the device suitable for smart grid and digital substation applications?

   Yes, the REF615C_C is designed for IEC 61850-based smart grids and digital substations.

8. Does the REF615C_C provide breaker failure protection and interlocking?

   Yes, it includes breaker failure detection, supervision, and interlocking functions.

9. Can the REF615C_C measure electrical parameters such as power and energy?

   Yes, it provides measurement of current, voltage, active/reactive power, energy, and frequency.

10. What industries commonly deploy the REF615C_C?

    It is extensively used in utilities, industrial plants, renewable energy facilities, and substation automation systems.