Description
The ABB REF615E_E (Catalog Code: HBFHAEAGNEA1BNN11E) is a dedicated, numerical feeder protection and control relay belonging to ABB’s acclaimed Relion 615 product series. Engineered for utility substations and industrial power distribution networks, it provides comprehensive protection, precise measurement, condition monitoring, and control capabilities for overhead lines and underground cable feeders in radial, looped, or meshed systems.
Product Datasheet
| Parameter | Specification |
| Brand | ABB |
| Model / Series | REF615 IEC Series (Relion Product Family) |
| Full Ordering Code | HBFHAEAGNEA1BNN11E |
| Product Type | Feeder Protection and Control IED (Intelligent Electronic Device) |
| Hardware Version | Version 4.0 / IEC standard profile |
| Display & Interface | Large graphical LCD screen with customizable single-line diagrams (SLD) and web-browser HMI accessibility |
| Communication Protocols | IEC 61850 (Editions 1 & 2 with HSR/PRP redundancy support), IEC 61850-9-2 LE (Process Bus / Sampled Values), Modbus, DNP3, and IEC 60870-5-103 |
| Power Supply | Multi-voltage auxiliary power supply range (typically 48–250 V DC / 100–240 V AC) |
| Enclosure / Design | Compact, withdrawable plug-in unit design for swift installation, replacement, and testing |
Initial Operation Checklist
✓ Verify that the switchgear cutout panel or relay mounting case is clean, secure, and properly aligned before sliding in the withdrawable unit.
✓ Inspect all rear terminal blocks, ring-lug connections, and communication ports for secure wiring termination and polarity accuracy.
✓ Confirm that auxiliary control power supply voltages fall strictly within nominal operational thresholds prior to energizing the device.
✓ Connect a configuration PC via the front USB port to verify settings, check communication addresses, and validate relay configuration files using PCM600.
✓ Monitor front-panel display indicators and startup diagnostics during power-up to confirm successful self-test clearance and hardware readiness.
Routine Maintenance
⚙ Periodically inspect rear terminal screws and wiring harnesses to ensure continuous tightness against heavy substation switching vibrations.
⚙ Clean the front HMI display panel gently using a soft, dry, lint-free cloth.
⚙ Review relay event logs, disturbance records, trip counters, and circuit breaker condition monitoring metrics via the engineering software or web HMI.
⚙ Verify fiber-optic and Ethernet communication link integrity to maintain robust substation automation network reliability.
Troubleshooting & Common Issues
⚡ Display Blank / Power Failure: Check auxiliary supply voltage rails, inspect input fuse links, and ensure the plug-in relay unit is firmly pushed into its mounting case.
⚡ Communication Timeouts (IEC 61850 / Modbus): Verify IP address settings, check network switch connectivity, inspect fiber-optic/Ethernet cables, and validate redundancy configurations (HSR/PRP).
⚡ Unwanted Trip / Alarm Flag: Access event and disturbance recorder logs via PCM600 to analyze pre-fault analog values, digital status inputs, and active protection staging.
Safety Precautions
⚠ Always isolate, lock out, and tag out auxiliary power supplies and external tripping circuits before extracting or servicing the relay unit.
⚠ Observe strict electrostatic discharge (ESD) safety protocols—such as wearing a grounded wrist strap—when handling internal electronic components or plug-in modules.
⚠ Never open current transformer (CT) secondary circuits while primary power is active to prevent dangerous, high-voltage open-circuit hazards.
⚠ Strictly comply with local electrical safety codes, utility operating rules, and manufacturer instruction manuals during all installation and testing procedures.
Frequently Asked Questions (Q&A)
Q: What is the primary application of the ABB REF615 relay?
A: It is designed specifically for the protection, control, measurement, and supervision of overhead lines and cable feeders in utility and industrial power distribution networks.
Q: What does the withdrawable design feature offer?
A: The plug-in (withdrawable) unit design allows technicians to safely and quickly replace or test the relay hardware without rewiring the entire switchgear bay.
Q: Does the REF615 support digital substation communications?
A: Yes, it features native support for the IEC 61850 standard, including GOOSE messaging, sample values (IEC 61850-9-2 LE), and high-availability redundancy protocols like HSR and PRP.
