Description
ABB RET670 is a dedicated transformer protection and control relay for power transformers, unit and step-up transformers including power generator-transformer blocks in utility and industrial power distribution systems.
The RET670 is designed to accommodate the needs of all types of transformers, including two-winding transformers, auto-transformers, tertiary windings, power generator-transformer blocks, and phase-shifting transformers.
Its product parameters include a high-speed communication interface for IEC 61850, GOOSE messaging and R-GOOSE, direct communication with substation control systems, and robust design to withstand harsh substation environments.
The specifications of the RET670 include a wide operating temperature range, high electromagnetic compatibility, and a compact, modular design for easy installation and maintenance.
