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PCS-915SD Distributed Busbar Relay
PCS-915SD distributed 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) and feeder protection (includes overcurrent protection, dead zone fault protection and breaker failure protection). With its flexibility and the powerful PCS-Studio configuration tool, PCS-915SD offers future-oriented busbar solutions with high investment security and low operating costs.
- Protection and Control of the Bay Unit Protection and Control of the Central Unit Measurement Functions Supervision Functions Communication
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Bus coupler/section protection
Re-tripping of breaker failure protection (50BF)
Overcurrent protection (50/51)
Feeder protection
Re-tripping of breaker failure protection (50BF)
Overcurrent protection (50/51)
Busbar current differential protection (87B)
Bus coupler/section protection
Breaker failure protection (50BF)
Dead zone protection (50DZ)
BC/BS dead zone differential protection (87DZ)
Switch-onto-fault protection (50SOTF)
Feeder protection
Breaker failure protection (50BF)
Dead zone protection (50DZ)
External Binary Input Trip Busbar
Voltage and current drift auto adjustment
Frequency tracking
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)
Self-diagnostic
Frequency supervision
DC power supply supervision
CT circuit supervision
VT circuit supervision
Disconnector supervision
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
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