Description

The ABB SACE750090R0002 REF542plus is a highly advanced feeder terminal unit (FTU) that serves as a comprehensive protection, control, monitoring, and communication device primarily designed for medium-voltage switchgear in secondary distribution networks. This specific model, ABB SACE750090R0002 REF542plus, represents a fully configured version of the REF542plus platform, integrating multiple functions into a single, compact unit to replace traditional assemblies of individual relays, meters, and PLCs. Its core purpose is to safeguard electrical assets like transformers, cables, and motors by executing complex protection functions such as overcurrent, earth fault, and motor protection, while simultaneously providing sophisticated control logic for automatic switching sequences and remote operation from a control center.

As a cornerstone of ABB’s intelligent distribution automation solutions, the ABB SACE750090R0002 REF542plus excels in enhancing grid reliability and operational efficiency. It acts as a local intelligence hub within the switchgear, continuously measuring electrical parameters and communicating real-time data to SCADA systems via standard protocols like IEC 60870-5-101/104 or DNP3. The deployment of the ABB SACE750090R0002 REF542plus is a strategic move towards modernizing electrical infrastructure, enabling features like fault location, isolation, and service restoration (FLISR), which minimize outage times and improve power quality for end consumers. Its robust design and versatile functionality make it an indispensable component for utilities and industrial plants aiming to build a smarter, more resilient, and efficient electrical distribution system.

SACE750090R0002 REF542plus

Technical Specifications

Main Features and Advantages

The ABB SACE750090R0002 REF542plus is defined by its all-in-one integration and robust communication capabilities. Its primary advantage is the consolidation of multiple devices into a single, unified platform, which drastically reduces wiring complexity, panel space requirements, and overall system lifecycle costs. This integration ensures perfect interoperability between protection, control, and measurement functions, leading to faster system response and simplified engineering.

Comprehensive Protection Suite: This unit is equipped with a full set of protection functions tailored for feeder and motor applications. The advanced algorithms within the ABB SACE750090R0002 REF542plus ensure selective tripping, meaning it can isolate only the faulty section of the network while keeping healthy sections energized, which is critical for maintaining supply continuity. Its high-accuracy measurement capabilities provide operators with a precise, real-time view of network conditions.

Powerful Control and Automation: Beyond protection, the ABB SACE750090R0002 REF542plus features a powerful programmable logic controller (PLC) engine. This allows engineers to implement complex interlocking schemes, auto-reclosing sequences, and custom control sequences directly within the device, eliminating the need for an external PLC. This flexibility makes the ABB SACE750090R0002 REF542plus adaptable to a wide range of switchgear designs and operational philosophies.

Seamless System Integration: Designed for the modern connected grid, this terminal unit supports a range of standard communication protocols, making it a seamless fit into virtually any utility or industrial SCADA system. The ability of the ABB SACE750090R0002 REF542plus to communicate detailed event records, fault data, and real-time load information is fundamental for condition-based maintenance and smart grid applications.

Application Field

The ABB SACE750090R0002 REF542plus is predominantly applied in electrical power distribution networks where reliability and automation are key. In the utility sector, it is installed in secondary distribution substations to protect and control outgoing feeders. It enables functions like remote switching, fault detection, and load monitoring, which are essential for the operation of smart grids and for reducing SAIDI/SAIFI indices (System Average Interruption Duration/Frequency Index).

In industrial environments, such as large manufacturing plants, chemical complexes, and mining sites, the ABB SACE750090R0002 REF542plus is used to protect and control the incoming main feeders and large motor circuits. Its robust design ensures reliable operation in electrically noisy environments. Furthermore, it finds extensive use in infrastructure projects like airports, data centers, and hospitals, where its high availability and comprehensive protection features help ensure an uninterrupted power supply to critical loads. The ABB SACE750090R0002 REF542plus is the intelligence behind the switchgear in any application where power distribution needs to be safe, efficient, and controllable.

SACE750090R0002 REF542plus

Related Products

ABB REL670 Protection Relay: A high-end line distance protection relay for transmission and sub-transmission lines.

ABB REC670 Bay Controller: A control and protection unit for primary distribution and transmission substations.

ABB COM600 Station PC: The gateway and station-level computer for substation automation, which often communicates with multiple REF542plus units.

ABB SPA Communication Modules: Various communication accessory modules that can be used with the REF542plus platform.

ABB Capacitor Bank Protection Relays (e.g., REC615): Dedicated protection devices for capacitor banks, often used in conjunction with feeder protection.

ABB PCM600 Software: The engineering and configuration tool used to set parameters, design logic, and monitor the ABB SACE750090R0002 REF542plus.