ABB REU611 电压保护继电器

The REU611 voltage protection device is suitable for over – and under-voltage protection, phase sequence protection, residual overvoltage protection, and additional two-stage frequency protection in large power plants or small generator sets. Voltage protection relays are widely used, including bus, power transformer, motor and capacitor bank applications. Range • Voltage Protection Relay Key Benefits • The voltage protection measurement and control unit REU611 is available in pre-configuration. User friendliness and convenience of standard configuration, users only need to enter the necessary application parameters to be put into use • On and off signals can be sent through LHMI (Human machine interface), WHMI (Web browser-based User Interface) or protection and control device management tool to modify • Based on IEC 61850 standard design, support for 1st and 2nd editions, Includes GOOSE • HSR/PRP function-based self-healing ring network • Compact design makes it suitable for new and retrofit projects • Pluggable design Key features for quick installation and testing • Pre-configured voltage protection for utility and industrial distribution systems • Pre-configured standard configurations reduce installation and commissioning time • Support for IEC61850 1st and 2nd editions, including GOOSE • Support for IEC61850 and Modbus