Reliable Protection & Control for Medium-Voltage Distribution Networks
The
REF615E-D is a high-performance feeder protection relay engineered for medium-voltage (MV) distribution systems, delivering comprehensive protection, control, and monitoring capabilities. As part of ABB’s Relion® product family—renowned for industrial-grade reliability—the REF615E-D is designed to safeguard feeders, cables, and transformers in utility, industrial, and commercial power networks.
Built to handle dynamic grid conditions, this relay ensures fast fault detection, precise fault isolation, and minimal downtime, while offering flexible integration with modern digital substation architectures. Its compact design and user-friendly interface make it suitable for both new installations and retrofits, aligning with global standards for power system protection.
Equipped with a full suite of protection functions—including inverse-time overcurrent, directional earth fault, and thermal overload protection—to address common MV feeder faults (e.g., short circuits, ground faults), minimizing equipment damage and service disruptions.
With fault detection times as low as 1 cycle, the REF615E-D isolates faults rapidly, reducing stress on network components and limiting the impact of outages on end-users.
Native support for IEC 61850 (GOOSE and MMS protocols) enables seamless integration with digital substations, facilitating remote monitoring, control, and data exchange with SCADA and EMS systems.
A backlit LCD display with navigable menus allows on-site configuration and status checks, while web-based HMI and remote communication ports enable off-site management—reducing the need for on-site visits.
Wide operating temperature range (-40°C to +70°C) and resistance to vibration, humidity, and electrical interference ensure reliable performance in demanding settings (e.g., industrial plants, outdoor substations).
Customizable protection settings and logic allow tailoring to specific network requirements (e.g., radial feeders, looped networks), eliminating the need for additional hardware.
Built-in event logging (up to 1000 events) and fault records (waveform capture) provide detailed data for post-fault analysis, simplifying maintenance and network optimization.
The REF615E-D is ideally suited for:
- Utility Distribution Networks: Protection of MV feeders in public power grids (residential, commercial areas).
- Industrial Plants: Safeguarding feeders powering manufacturing lines, motors, and critical equipment (e.g., oil refineries, chemical plants).
- Commercial Buildings: Protecting MV cables and transformers in data centers, shopping malls, and high-rise complexes.
- Renewable Energy Integration: Controlling feeders connecting solar farms, wind parks, and battery storage systems to the grid.
- Infrastructure Projects: MV feeder protection in airports, railways, and water/wastewater treatment facilities.
The REF615E-D integrates seamlessly with:
- ABB Relion® 600/650 series protection relays (for coordinated protection schemes).
- ABB MicroSCADA Pro and System 800xA DCS (for centralized monitoring and control).
- Third-party SCADA/EMS systems (via IEC 61850, Modbus, or DNP3.0).
- Digital substation components (e.g., merging units, intelligent electronic devices).
- ABB Ability™ Power Grids platform (for predictive maintenance and grid analytics).
Designed for efficiency:
- Panel-mounted installation (144x144 mm standard cutout) for easy integration into control cabinets.
- Front-accessible terminals and USB port for quick wiring, configuration, and firmware updates.
- Self-test and supervision functions (e.g., power supply monitoring, I/O loop checks) for proactive maintenance.
- Firmware upgradeable via Ethernet or USB, ensuring compatibility with future standards and features.
ABB provides end-to-end support for the REF615E-D:
- 24/7 Global Support: Access to power system protection experts via phone, email, or remote troubleshooting tools.
- Commissioning Services: Professional on-site setup to verify protection settings and network integration.
- Training Programs: Customized courses (in-person/online) for engineers and technicians on relay configuration, operation, and fault analysis.
- Warranty & Maintenance: 2-year standard warranty, with optional extended coverage and preventive maintenance packages.
- Obsolescence Management: Proactive alerts and migration plans to avoid disruptions from component end-of-life.
- Proven Reliability: Deployed in 50,000+ MV networks worldwide with a 99.9% uptime rate, validated by IEC 60255 standards.
- Grid Compliance: Meets global utility standards (e.g., IEEE, IEC) for protection and communication, ensuring interoperability.
- Cost Savings: Reduces downtime via fast fault isolation, lowers maintenance costs with built-in diagnostics, and eliminates the need for multiple protection devices.
- Future-Proof Design: IEC 61850 compatibility and upgradeable firmware ensure long-term relevance in evolving digital grids.
- Local Expertise: ABB’s global network of service centers provides quick access to spare parts and on-site support.
To order the REF615E-D or inquire about pricing/availability:
- Contact your local ABB Power Grids sales representative or authorized distributor.
- Specify model number: REF615E-D, and note any custom requirements (e.g., operating voltage, communication options).
- Recommended accessories:
- Communication cables (Ethernet, RS485).
- Configuration software (ABB PCM600).
- Test tools for protection relay calibration.
- Protective front cover (IP54 rating for dusty environments).
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