ABB REC 670 Bay control IED Features

Features

• A control, protection, and monitoring IED with extensive functional library and configuration

possibilities and expandable hardware design to meet specific user requirements

• For all types of busbar arrangements

• Control functionality with upto 30 controllable apparatuses

• Type tested interlocking for single, double and one- and a half breaker arrangements

• High impedance differential protection for tee-feeders

• Synchrocheck and dead-line check function for single- or multi-breaker arrangements:

- Selectable energizing direction

- Two functions with built-in voltage selection

- For automatic or manual synchrocheck and with different settings

• Auto-reclosing function for single- two-, and/or three-phase reclosing:

- Two functions with priority circuits for multi-breaker arangements

- Co-operation with synchrocheck function

- Can be switched On-Off from remote through communication

or with local switches through binary inputs

• Selectable additional software functions such as breaker failure protection for each breaker,

voltage protection, thermal protection, control and monitoring

• Built-in data communication modules for station bus IEC 61850-8-1

• Data communication modules for station bus IEC 60870-5-103. LON and SPA

• Remote end communication function with capability for 192 binary signals

• Integrated disturbance and event recorder for up to 40 analog and 96 binary signals

• Time synchronization over IEC 61850-8-1. LON,SPA, binary input or with optional GPS module

• Analog measurements accuracy up to below 0.5% for power and 0.25% for current and volt

age and with site calibration to optimize total accuracy

• Versatile local human-machine interface

• Extensive self-supervision with internal event recorder

• Six independent groups of complete setting parameters with password protection

• Powerful software PC tool for setting, disturbance evaluation and configuration

• Remote end data communication modules for C37.94 and G.703