ABB REU615 Protection Control Relay for Voltage Monitoring
Description
ABB REU615 Protection Control Relay for Voltage Monitoring is a compact voltage protection and control device belonging to the Relion® 615 series, designed for voltage and frequency protection and regulation in utility and industrial power systems.
| Specification | Value |
|---|---|
| Standard Configurations | Configuration A, Configuration B |
| Supported Communication Protocols | IEC 61850 (Version 1 and 2), Modbus, DNP3, IEC 60870-5-103, Profibus DPV1 (with protocol converter) |
| Time Synchronization Protocol | IEEE 1588 v2 |
| Redundant Communication Support | HSR/RPR |
| Net Weight | 4 kilograms |
Key Features:
- Multi-functional protection including overvoltage/undervoltage monitoring, three-phase voltage protection, zero-sequence voltage protection, overfrequency/underfrequency protection, and frequency offset auxiliary protection
- Optional arc protection (via additional module) and high-speed output function
- Modular design with detachable plug-ins for quick installation and testing
- Large graphical display with customizable single-line diagrams (SLD), accessible locally or via web browser-based HMI
- Pre-configured standard settings with customizable logic functions via PCM600 configuration tool
- Configuration A supports bus voltage monitoring, load shedding, load restoration, and loss-of-mains (LOM) protection for distributed generation units
- Configuration B provides manual/auto voltage regulation for power transformers with on-load tap changers, plus integrated protection functions
Applications:
- Bus voltage monitoring and protection in utility and industrial power distribution systems
- Voltage regulation for power transformers with motor-driven on-load tap changers
- Distributed generation network protection and substation automation
- Load shedding and restoration for overloaded power systems
- Generator and AC equipment overfrequency/underfrequency protection
Related Models:
- REU615E_D
- REU615 IEC