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Multi-function Bus Protection Relay Type : B-PRO 4000
     
   

 

B-PRO 4000 relay provides bus and substation differential protection (low impedance) with CT saturation security, integrated breaker failure, overcurrent protection and SCADA control in a fully integrated protective relay solution. The B-PRO 4000 relay also provides control, automation, metering, monitoring, high capacity for DFR quality fault oscillography, dynamic swing recording and sequence of events logging. The B-PRO 4000 relay is suitable for simple bus applications with up to 6 feeders and 2 differential zones with breaker failure, or 4 feeders and 1 transformer, including separate full transformer differential protection.

Application

  • Bus and substation differential protection (low-impedance)
  • Re-configurable simple bus application up to 6 feeders and 2 differential zones
  • Separate Transformer differential protection
  • 6 sets of CT inputs for differential protection (18 currents) using percentage slope characteristic for security on external faults
  • Low impedance design allows different CT ratios for each of the 6 inputs
  • Backup overcurrent and breaker failure for each input current
  • User defined directional control of overcurrent functions for networked lines
  • 3 phase voltage inputs to apply over/under voltage and frequency functions
  • 1 or 2 separate differential zones - bus and transformer or Bus 1 and Bus 2 for multiple buses
  • ProLogic - control logic statements
  • 30 virtual inputs for local or remote control applications

 

 
Standard Features
 
Multiple zones of protection-transformer, bus and dual bus zonesIEC 61850 communication via optical ports
Protection functions include IEE devices 87B, 27,59,60,81,87T, 50LS, 50BF,50/51/67, 50N/51N/67, 46/50/51/67IRIG-B time stamping and sample synchronization
96 samples/cycle falut recording, swing recording and event logging(1ms)Enhanced DNP3 SCADA communication protocol including point lists, class support and multiple master station support
High quality recording - fault recording (96 samples/cycle), dynamic swing recording (1 sample/cycle), and event logging (1 ms resolution)User selectable option to compress sequence of events every 230 events
Storage capacity for up to 75 x 2 second fault records, 150 x 2 minute swing records and up to 150 compressed sequence of event records, or a combination with a maximum of 150 fault, swing and event records.Metering functions for each input connection
IEC 61850 Station Bus on dedicated Optical/Copper Ethernet Ports included at no extra costEnhanced DNP3 SCADA communication protocol including point lists, class support and multiple master station support
Modbus SCADA communication protocolIRIG-B port (through BNC connector) for precise time stamping and sample synchronization
Serial communication portOptional internal modem
 
 
 
Qty. 
Documentation
Brochure
B_PRO_4000_bus_protection_relay_ds.pdf

Manual
B-PRO 4000 Manual
 
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