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Functions
Real-time data acquisition and processing
PCS-9705 Bay Control Unit (abbreviated as BCU) is applied to perform real-time data acquisition and processing.
Control operation, synchronism-check and interlocking
PCS-9705 BCU carries out control operations, synchronism-check and interlocking functions for Circuit Breaker (CB), Disconnector Switch (DS), Earthing Switch (ES), transformer tap changer and etc.
Communication with control center
PCS-9799 Station Manager works as a station communication manager, which collects, stores and maps signals of relays, measurement units, control units and other IEDs in the substation to higher-level systems such as control center (CC) and distributed control system (DCS).
PCS-9799 supports several protocols, such as IEC 61850, IEC 60870-5-101/104, IEC 60870-5-103, Modbus and DNP3.0.
Clock synchronization
PCS-9785 Satellite-synchronized Clock is usually used in Substation Automation System (SAS) to satisfy the time unifying requirements of protection relay, disturbance fault recorder and other IEDs.
A set of two PCS-9785 can form the "dual device dual network" redundancy strategy to provide a higher reliable and accuracy clock synchronization system.
Interfaces with third-party IEDs
PCS-9794 Protocol Converter works as a communication manager, which maps signals between IEDs and the local SCADA or protection management unit.
Besides most international standard protocols (including IEC 60870-5-101/104, NR private 103, Modbus, IEC 61850 and CDT), PCS-9794 also supports customized protocol development requirement for IEDs, such as DC batteries, earthing line selection device, etc.
PCS-9700 HMI software
Basic functions:
Graphic user interface
Remote control for CB/DS/ES & tap position
Real-time alarm
History event recording & retrieval
Topological analysis
Trending
Report & Statistics
Database management
Authority management
Graphic primitive management
Advanced functions:
Web
Anti-maloperation
Voltage and reactive power control (VQC)
Post Disturbance Review (PDR)
Data retransmission to Control Center (CC)
Protection management system
Protection management system is applied for the operation and management of protection relays, and it is also a decision-making system that can provide power grid fault analysis.
