PCS-915SC Centralized Busbar Relay-NR Electric Co. Ltd

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PCS-915SC centralized busbar relay integrates busbar differential protection, bus coupler/section protection (includes overcurrent protection, switch-onto-fault protection, dead zone fault protection, dual CTs BC/BS dead zone differential protection and breaker failure protection), feeder protection (includes overcurrent protection, dead zone fault protection and breaker failure protection), voltage protection (phase overvoltage protection and undervoltage protection) and frequency protection (overfrequency protection, underfrequency protection and frequency rate-of-change protection). With its flexibility and the powerful PCS-Studio configuration tool, PCS-915SC offers future-oriented busbar solutions with high investment security and low operating costs.

Protection Functions Measurement Functions Supervision Functions Communication

Phase angle measurement
Differential current calculation
Sequence component calculation
Event recorder including 1024 disturbance records, 1024 binary events, 1024 supervision events, 256 control logs and 1024 device logs.
Disturbance recorder including 32 disturbance records with waveforms (The file format of disturbance recorder is compatible with international COMTRADE file).

Up to four 10Base-T/100Base-TX copper Ethernet ports using IEC 61850, DNP3.0 or IEC 60870-5-103 over TCP/IP
Up to four 100Base-FX optical Ethernet ports using IEC 61850, DNP3.0 or IEC 60870-5-103 over TCP/IP
Two RS-485 serial ports using IEC 60870-5-103 or Modbus
One RS-485 serial port for clock synchronization
One BNC port for clock synchronization
Support GOOSE communication module using IEC 61850-8-1 GOOSE
Full compatibility between IEC 61850 Editions 1 and 2
Redundancy protocols PRP and HSR
One front RJ-45 port and one rear RJ-45 port for debugging