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PCS-9631S Capacitor Relay
The PCS-9631S capacitor relay is a protection, control and monitoring unit for the capacitor in all systems of which the neutral point is effectively grounded or not effectively grounded. Many auxiliary functions such as fault location, fault recording, event recording, communication functions and etc. are also integrated into the device. With its flexibility and the powerful PCS-Studio configuration tool, the PCS-9631S offers future-oriented system solutions with high investment security and low operating costs.
- Protection and Control Control Functions Communication Supervision Functions Measurement and metering
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Phase overcurrent protection (50/51P)
Earth fault overcurrent protection (50/51G)
Negative-sequence overcurrent protection (50/51Q)
RMS overcurrent protection (50/51R)
Phase overvoltage protection (59P)
Residual overvoltage protection (59G)
Negative-sequence overvoltage protection (59Q)
Positive-sequence overvoltage protection (59Pos)
Phase undervoltage protection (27P)
Undercurrent protection (37)
Breaker failure protection (50BF)
Current unbalance protection (60/50)
Voltage unbalance protection (60/59)
Phase voltage differential protection (87V)
Neutral point voltage differential protection (87VN)
Impedance protection (21C)
Thermal overload protection (49)
Switchgear control
Double point status synthesis
Remote/Local control mode switch
Interlocking logic for control
Direct control
Switchgear trip counter
Support of various protocols
Ø Modbus
Ø DNP3
Ø IEC 60870-5-103
Ø IEC 61850 Ed1 & Ed2
Ø IEC 62439 Parallel Redundancy Protocol (PRP)
Ø IEC 62439 High-availability Seamless Ring (HSR) Redundancy Protocol
Ø IEEE 802.1w Rapid Spanning Tree Protocol (RSTP)
Support for digital substation
Ø Extendable quantity of communication interfaces
Ø Support of IEC 61850 MMS Server
Ø Support of IEC 61850-8-1 GOOSE
Up to four 10Base-T/100Base-TX copper Ethernet ports
Up to four 100Base-FX optical Ethernet ports
Two RS-485 serial ports for communication or printer
One RS-485/TTL serial port for clock synchronization
VT circuit supervision
CT circuit supervision
Self-diagnostic
DC power supply supervision
System frequency supervision
Event recorder including 1024 disturbance items, 1024 change-of-state events, 1024 supervision events, 256 control logs and 1024 device logs.
Disturbance recorder including 64 disturbance records with waveforms (The file format of disturbance recorder is compatible with international COMTRADE file).
64 high-frequency waveforms records (The file format of disturbance recorder is compatible with international COMTRADE file.)
U, I, P, Q, Cos
Positive, negative and zero sequences
Max.15th harmonics
Energy metering (active and reactive energies for import and export)
Power Quality Supervision (PQS) with Total Harmonic Distortion (THD), deviation and unbalance