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PCS-9705 Bay Control Unit
PCS-9705 Bay Control Unit (abbreviated as BCU) is used for bay level controlling and monitoring in power grid. It is suitable for application in Substation Automation System (abbreviated as SAS) with distributed control IEDs.
PCS-9705 can be applied into SAS via Ethernet network in using NR private 103 protocol or IEC 61850-8-1. It can also send/receive Generic Object Oriented Substation Event (abbreviated as GOOSE) message in station level network.
PCS-9705 is designed for controlling and monitoring switchgears such as circuit breaker, disconnector, and earthing switch. Additionally, it supports tap changer control for transformer and shunt reactor.
- Measurement & Control Monitoring Circuit Breaker Function Auxiliary Function Communication
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AC analog input (Conventional CT/VT)
AC digital input (Electronic CT/VT, IEC 61850-9-2)
DC analog input
DC analog output
Configurable binary input
Binary output (normally open contact) for switch control and interlocking logic
CB closing synchronism-check
Switch status supervision
Device power supply supervision
VT circuit supervision (VTS)
CT circuit supervision (CTS)
Auto-reclosing (79)
Voltage selection for closing synchronism check
Programmable interlocking logic
GOOSE tripping (via IEC 61850-8-1)
Voltage and current drift auto regulation
Sequence Of Event (SOE) recorder
Disturbance & Fault Recorder (DFR)
Waveform recorder
Multiple kinds of clock synchronization methods
Electrical Ethernet ports conform to IEC 61850 and IEC 60870-5-103 protocols over TCP/IP
Optical Ethernet ports conform to IEC 61850 and IEC 60870- 5-103 protocols over TCP/IP
GOOSE and SV communication
RS-485 port for clock synchronization
RS-232/RS-485 port for printer
Multiplex RJ-45 port for debugging
Support of PRP/HSR network