Brand ABB
Model REB670
Name, bus differential protection device
REB670 is a Bailey bus differential protection device manufactured by ABB.
REB670 Brief Operating Instructions:
When the protection is running normally, the green light is on. When the protection has a trip output, the red light is on; When the protection has a trip report output, the yellow light is on.
During the protection action, the specific action information can be displayed through the 15 LED lights on the right side of the protection HMI.
REB670 is a busbar differential protection device manufactured by ABB.
REB670 is a Bailey busbar differential protection device manufactured by ABB. It is specially designed for the protection and monitoring of power system busbars, T-connection lines and branch lines. It has a wide range of applications from medium voltage to ultra-high voltage
The REB670 device's expandable input and output hardware modules meet the need for differential protection in a variety of wiring formats. The REB670 can be selectively and reliably removed quickly for all types of phase ground or ground in protected areas in power systems with direct or low impedance ground. For ungrounded or high-resistance grounded power systems, various types of multiphase faults in the protection area can operate correctly.
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