ABB RED670 | 1MRK002810-AC | Line Differential Protection IED

Product Description

The ABB RED670 (1MRK002810-AC) is an intelligent electronic device (IED) from the Relion 670 series, designed for line differential protection in transmission and distribution networks. It combines advanced algorithms with adaptive filtering techniques to ensure precise fault detection and minimize false tripping. The RED670 is suitable for protecting overhead lines, underground cables, busbars, and transformers, offering high sensitivity and reliability in demanding environments.

Technical Specifications

• Model: RED670

• Order Code: 1MRK002810-AC

• Type: Line differential protection relay

• Input Voltage: Wide auxiliary voltage range (AC/DC, user-configurable)

• Frequency: 50/60 Hz

• Operating Temperature: -40°C to +70°C

• Humidity: 5% to 95% RH, non-condensing

• Dimensions: 230 mm × 160 mm × 100 mm

• Weight: 1.5 kg

• Compliance: IEC 60255 standards for EMC and safety, RoHS compliant

Functional Highlights

• Differential Protection: High-speed line differential protection with adaptive algorithms

• Harmonic Filtering: Reduces false trips caused by inrush currents and harmonics

• Directional Comparison: Enhances selectivity in fault detection

• Adaptive Performance: Adjusts to system conditions for improved reliability

• Event Recording: Non-volatile memory for fault and disturbance logging

• Communication: IEC 61850 support for integration into modern substation automation systems

Application Scenarios

• Protection of overhead transmission lines in high-voltage networks

• Underground cable fault detection and monitoring

• Busbar and transformer differential protection in substations

• Integration into IEC 61850-based digital substations

Benefits

• High Sensitivity: Detects internal faults with precision, reducing service interruptions

• Improved Reliability: Advanced filtering and adaptive logic minimize false trips

• Versatility: Suitable for multiple asset types including lines, cables, busbars, and transformers

FAQ

Q: What type of protection does the RED670 provide?  A: It offers line differential protection, harmonic filtering, directional comparison, and adaptive fault detection.

Q: Is the RED670 suitable for transformer protection?  A: Yes, it can be applied to busbars and transformers in addition to transmission lines and cables.

Q: What communication standards are supported?  A: The RED670 supports IEC 61850, ensuring compatibility with modern substation automation systems.