The BP-2CD is a distributed busbar differential protection intended for protecting and monitoring various busbars of various voltage level ranging from 1000kV to 110kV BP-2CD can detect and clear all types of internal falults BP-2CD provides fast and selective protection monitoring and control for single busbar single busbar with single bus coupler double busbar double busbar with up to 4 bus couplers 3 2 breaker busbar etc The relay can operate correctly over a wide frequency range in order to accommodate power system frequency variations during disturbances This relay can sample the analog values from the traditional instrument transformers or receive the sampled values from the electronic current and voltage transformers via a merging unit The binary inputs and outputs of this relay can be configured according to the demands of a practical engineering through the PRS IED Studio configuration tool auxiliary software which can meet some special requirements of protection and control functions This relay can fully support the IEC61850 communication protocol and GOOSE function and can completely meet the demands of a modern digitalized substation
