ABB REF615E_1G Feeder Protection and Control Relay

• Core Functions​

• Comprehensive Protection Mechanism: Integrated with multiple protection functions such as overcurrent, overvoltage, undervoltage, and zero-sequence current, it quickly identifies and isolates faulty lines to prevent the spread of faults.​

• Intelligent Control and Monitoring: Supports remote switching operations, and monitors parameters such as feeder voltage, current, and power in real-time, providing data support for grid dispatching.​

• Adaptive Coordination: Features automatic time grading characteristics, enabling precise coordination with upstream and downstream protection devices to optimize grid protection selectivity.​

• Technical Advantages​

• High-reliability Design: Using industrial-grade components and passing strict electromagnetic compatibility tests, it adapts to harsh power environments, ensuring 7×24 hours of stable operation.​

• Multi-protocol Communication Interfaces: Equipped with communication interfaces such as IEC 61850 and Modbus, it seamlessly integrates into smart grid automation systems for remote monitoring and centralized management.​

• Convenient Debugging and Maintenance: Supports graphical configuration tools, allowing for quick parameter setting and fault diagnosis through the panel or software. The modular structure facilitates daily maintenance.​

• Application Scenarios​

• Distribution Network Protection: Used for feeder protection in urban and industrial park distribution networks, improving power supply reliability and fault handling efficiency.​

• Industrial Power Systems: In factories, mines, and other places, it ensures the safe operation of internal power lines and reduces the risk of power outages.​

• Renewable Energy Integration: Adapted to wind and photovoltaic power plants, it enables stable protection and intelligent control of renewable energy feeders.

The structure and details of the product：

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