The ABB RET650 is a sophisticated transformer protection relay designed for comprehensive protection, monitoring, and control of two- and three-winding transformers, autotransformers, and generator-transformer units. This product guide details its advanced features, applications, and technical specifications.
The RET650 offers a wide range of protection functions, including differential, impedance, current, voltage, and frequency protection, ensuring the reliability and safety of power systems. It supports both customized and pre-configured solutions, making it adaptable to diverse generation, transmission, and sub-transmission grid requirements.
Key functionalities include fast differential protection with harmonic restraint, versatile overcurrent and voltage protection schemes, and integrated disturbance recording for detailed post-fault analysis. The relay's robust design and advanced features make it an essential component for modern power substations.