Busbar Protection Relay REB611 ABB for Power Systems
Description
REB611 Busbar Protection Relay is a dedicated busbar protection relay from ABB, part of the Relion® 611 product series, designed for single busbar systems in power systems.
| Specification | Value |
|---|---|
| Protection Principle | High impedance-based differential protection |
| Supported Communication Standards | IEC 61850 Edition 1 and Edition 2, including binary GOOSE messaging |
| Supported Communication Protocols | IEC 61850, Modbus®, PRP (Parallel Redundancy Protocol), HSR (High-availability Seamless Redundancy) |
| Design Type | Compact, withdrawable plug-in unit |
Key Features:
- Provides phase-selective short-circuit protection, control, monitoring, and event recording for single busbars
- Offers restricted earth fault and residual earth fault protection for generators, motors, transformers, and reactors
- Supports self-healing communication via HSR/PRP with an optional second Ethernet bus
- Comes pre-configured and factory-tested; users only need to input application-specific parameters to deploy
- Equipped with a user-friendly web browser-based HMI featuring a visually selectable I/O matrix
- Compact design suitable for new installations and retrofits; withdrawable plug-in design enables quick installation and testing
Applications:
- Utility substations with high-impedance busbar applications
- Industrial power systems for busbar protection and equipment earth fault protection
- Smart substation automation systems requiring high interoperability and communication redundancy
Related Models:
- REM610 (Motor protection relay, Relion® 610 series)
- REC670 (Feeder protection relay, Relion® series)
- REF615 (Relion® series protection relay)