Overview
ABB REF542plus is a bay control and protection system designed for medium voltage substations applications.
Moreover, it integrates protection, control, and monitoring functions into a compact and reliable platform solution architecture.
In addition, it supports flexible configuration for feeder and bay level automation in power networks.
Functional Highlights
The system delivers advanced feeder protection and precise control for modern electrical distribution networks efficiently.
Moreover, it provides real time monitoring and event recording for improved operational visibility and diagnostics.
Therefore, engineers benefit from intuitive engineering tools that simplify commissioning and system lifecycle management processes.
Specification
| Category | Specification |
|---|---|
| Model | ABB REF542plus |
| Order Number | 2RCA029395-A0031 |
| Product Type | Bay control and protection unit with integrated operation panel |
| System Function | Combined protection, control, monitoring, and automation for substation bays |
| Application Scope | Medium voltage feeder protection and substation bay control systems |
| Primary Protection Functions | Feeder protection, overcurrent protection, earth fault detection, and supervision functions |
| Control Functions | Circuit breaker control, disconnector operation, interlocking logic, and bay-level automation |
| Monitoring Functions | Real-time status indication, measurement display, and system diagnostics |
| Communication Protocols | IEC 60870-5-103, Modbus RTU, SPA protocol |
| IEC 61850 Support | Available via gateway integration for modern digital substation systems |
| HMI Interface | Integrated local operation panel with push-button control and display functions |
| Engineering Tool | ABB REF542plus engineering software suite for configuration and parameterization |
| Mounting Type | Panel-mounted design for switchgear and control cabinet integration |
| Power Supply Range | Wide-range auxiliary DC supply suitable for substation environments |
| Rated Auxiliary Voltage | Typically 48–250 V DC depending on system configuration |
| Event Recording | Sequence of Events (SOE) logging and fault record storage with time stamping |
| Disturbance Recording | Fault analysis support through recorded electrical event data |
| Operating Temperature Range | -25°C to +70°C for harsh industrial and substation conditions |
| Storage Temperature Range | -40°C to +85°C for logistics and warehousing safety |
| Installation Environment | Indoor substation panels and medium voltage switchgear rooms |
| Safety & Reliability | Designed for high electromagnetic immunity and long-term operational stability |
| Expandability | Supports modular integration with external I/O and communication gateways |
FAQ
It is mainly used for feeder protection, bay control, and substation automation in medium voltage systems. Therefore, operators rely on it to maintain safe and stable power distribution.
Q: Does it support IEC communication standards?
Yes, it supports IEC 60860-5-103, Modbus, SPA, and IEC 61850 via gateway integration. Moreover, engineers achieve seamless communication between protection and control systems.
Q: Where is REF542plus typically applied?
It is typically applied in utilities, industrial plants, and power distribution networks. In addition, it supports reliable operation in both conventional and modern grid infrastructures.
Q: What functions does it provide?
It provides protection, control, monitoring, and event recording functions. Therefore, it improves system visibility and enhances operational safety across substations.
Q: How is configuration performed?
Engineers perform configuration using ABB dedicated engineering software tools. Moreover, they simplify setup procedures and reduce commissioning time effectively.
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Contact: Manski Wong +86 18030205725 manski@cambia.cn
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