ABB REF615E Feeder Protection And Control Relay

The ABB REF615E Feeder Protection and Control Relay is a high-performance intelligent electronic device (IED) designed to deliver advanced protection, control, and monitoring for medium-voltage distribution feeders. Part of ABB’s Relion® 615 series, the REF615E combines cutting-edge digital technology with robust hardware to ensure reliable operation in utility and industrial power systems.

This device supports a wide range of protection functions including overcurrent, earth fault, voltage, frequency, and breaker failure protection. With full IEC 61850 compliance and support for multiple communication protocols, the REF615E ensures seamless integration into substation automation systems and smart grid networks. Its compact design, user-friendly interface, and extensive diagnostics capabilities make it an ideal solution for both conventional and digital substations.

Product Specifications

Product Applications

The ABB REF615E is specifically designed to meet the requirements of modern feeder protection in medium-voltage systems:

• Medium-Voltage Distribution Feeders: Protects radial, ring, and meshed network feeders with comprehensive control.

• Industrial Power Networks: Provides secure power distribution and protection in critical industrial processes.

• Substation Automation Systems: Fully compatible with IEC 61850-based digital substations and SCADA integration.

• Smart Grid Infrastructure: Supports real-time monitoring and control for intelligent grid applications.

• Renewable Energy Integration: Ideal for feeders connected to wind, solar, and hybrid energy plants.

• Breaker Management: Ensures reliable breaker failure protection and interlocking for fault coordination.

Product Advantages

• Advanced Protection Suite: Consolidates multiple feeder protection functions into one robust device.

• Full Digital Substation Integration: IEC 61850 compliance with GOOSE messaging for fast peer-to-peer communication.

• Comprehensive Measurement and Diagnostics: Offers extensive data on electrical parameters and system health.

• Multi-Protocol Support: Compatible with Modbus, DNP3, IEC 60870-5-103, and Profibus in addition to IEC 61850.

• User-Centric Design: Features a graphical LCD and intuitive navigation for simplified configuration and operation.

• Reliable Performance: Engineered to withstand harsh environmental conditions with a wide operating temperature range.

FAQ

1. What protection functions are included in the REF615E?

   The REF615E provides overcurrent, earth fault, voltage, frequency, and breaker failure protection.

2. Does the REF615E support IEC 61850 GOOSE messaging?

   Yes, it fully supports IEC 61850, including GOOSE for fast and secure peer-to-peer communication.

3. Can the REF615E be used in ring and meshed network topologies?

   Yes, the device supports radial, ring, and meshed feeder configurations.

4. What auxiliary voltage range does the REF615E accept?

   It operates on 24–250 V DC and 100–240 V AC auxiliary power supply.

5. Is breaker failure protection integrated into the REF615E?

   Yes, the device includes breaker failure detection, supervision, and interlocking capabilities.

6. What event recording capabilities does the REF615E offer?

   It can log over 1000 time-stamped events and features an integrated disturbance recorder for fault analysis.

7. Which communication protocols are supported besides IEC 61850?

   It supports Modbus, DNP3, IEC 60870-5-103, and Profibus for versatile connectivity.

8. Does the REF615E provide real-time measurement of power and energy?

   Yes, it measures current, voltage, active/reactive power, energy, and frequency.

9. Is the REF615E suitable for renewable energy feeder protection?

   Yes, it is widely used in wind, solar, and hybrid power generation feeder systems.

10. Can the REF615E integrate with substation automation and SCADA systems?

    Yes, it is designed for seamless integration with digital substation automation and SCADA platforms.