Detailed Parameter Table
| Parameter Name | Parameter Value |
|---|---|
| Product Model | RED670, 1MRK002311-AAR02 |
| Manufacturer | ABB |
| Product Category | Line Differential Protection Relay, Communication Module |
| Rated Voltage | Typically 100-240 V AC/DC |
| Communication Ports | Ethernet (IEC 61850, DNP3, Modbus, IEC 60870-5-104), Fiber Optic |
| CT/VT Inputs | Configurable for various transformer configurations |
| Operating Temperature | -25°C to +55°C |
| Mounting | Rack-mounted |
| Protection Functions | Line differential, distance, overcurrent, ground fault |
| Communication Module Type | Optical Long Range Line Data Communication Module |
| Fiber Optic Cable Type | Single-mode |
| Max Communication Distance | Up to 20 km |
Product Introduction
The ABB RED670 is a dedicated line differential protection relay belonging to ABB’s renowned Relion® 670 series. This intelligent electronic device (IED) is designed for the protection, control, and monitoring of overhead lines and cables across various voltage levels, from distribution to the highest transmission networks. The ABB RED670 offers comprehensive protection schemes, including fast and selective line differential protection, backup distance protection, and integrated overcurrent and ground fault protection. Its advanced communication capabilities, supporting protocols like IEC 61850, DNP3, Modbus, and IEC 60870-5-104, ensure seamless integration into modern substation automation systems.
Complementing the advanced protection features of the ABB RED670 is the ABB 1MRK002311-AAR02, an optical long-range line data communication module. This module is specifically designed for reliable data exchange over extended distances using fiber optic cables, primarily intended for use with the ABB RED670 V1.1 relay. The ABB 1MRK002311-AAR02 ensures robust communication between protection relays at different ends of a power line, which is crucial for the operation of line differential protection schemes. By utilizing fiber optic technology, the ABB 1MRK002311-AAR02 provides immunity to electromagnetic and radio frequency interference, guaranteeing high signal integrity over long distances, up to 20 kilometers. Together, the ABB RED670 and ABB 1MRK002311-AAR02 form a powerful and reliable solution for advanced line protection in critical power transmission applications.
Core Advantages and Technical Highlights
High-Speed Line Differential Protection: The ABB RED670 offers rapid and selective line differential protection, providing excellent sensitivity for high resistive faults and secure phase selection, minimizing fault clearing times and enhancing system stability.
Long-Range Fiber Optic Communication: The ABB 1MRK002311-AAR02 enables dependable data transfer over significant distances (up to 20 km) via fiber optic cables, crucial for reliable line differential protection in geographically dispersed power networks.
Immunity to Electromagnetic Interference: Utilizing fiber optic technology, the ABB 1MRK002311-AAR02 ensures robust data communication by eliminating the impact of electromagnetic and radio frequency interference, maintaining signal integrity in noisy electrical environments.
Comprehensive Protection Functions: The ABB RED670 integrates a wide array of protection functions beyond line differential, including backup distance protection, overcurrent, and ground fault protection, providing a complete protection solution for transmission lines.
Redundant Communication Options: The ABB RED670 often features dual Ethernet interfaces for redundant communication, enhancing the reliability of data exchange within the substation automation system.
Seamless IEC 61850 Integration: Supporting the IEC 61850 standard, the ABB RED670 enables seamless interoperability with other substation devices, facilitating efficient data exchange and system integration.
Advanced Fault Analysis: The ABB RED670 includes disturbance recording and fault locator functionalities, allowing for independent post-fault analysis to understand system behavior and optimize protection settings.
Versatile Application Scope: The ABB RED670 is suitable for various applications, including single-breaker and multi-breaker arrangements, and can be adapted for different network configurations.
Typical Application Scenarios
The ABB RED670 line differential protection relay, often working in conjunction with the ABB 1MRK002311-AAR02 communication module, is primarily used for the protection of high-voltage transmission lines. In these critical applications, the fast and selective fault clearing provided by the ABB RED670 minimizes the impact of faults on the power system, preventing cascading failures and ensuring grid stability. The long-range communication capability of the ABB 1MRK002311-AAR02 is essential for establishing reliable communication channels between relays at the ends of long transmission lines, enabling the effective operation of the differential protection scheme.
