This user guide covers the installation, configuration, and operation of the ABB RED670 intelligent electronic device for line differential protection in…
The ABB RED670 is an intelligent electronic device designed to integrate protection, control, and monitoring functions. It is suitable for overhead lines, cable lines, and line transformer groups, offering high sensitivity and stability across various power system structures.
Key features include single/three-phase tripping, T-connection high impedance differential protection, and support for up to five-terminal lines with phase-segregated current differential protection. The device supports multiple communication protocols including C37.94, IEC 61850-8-1, LON, SPA, DNP 3.0, and EIA-485. This manual is written in Chinese.
The device is suitable for overhead lines and cable lines.
The unit transmits eight remote switch signals.