ABB REG670
ABB REG670 is an intelligent electronic device(IED)designed for power systems,also known as a digital protection relay or microcomputer protection device.The following is a detailed introduction to ABB REG670: 1.Main functions Comprehensive protection: Provides multiple protection functions such as overcurrent protection,voltage protection,underfrequency and overfrequency protection,demagnetization protection,stator ground fault protection,rotor ground fault protection and circuit breaker fault…