PCS-9641 Motor Relay-NR Electric Co. Ltd

SERVICES NEWS EVENT CALENDOR CONTACT US: PCS-9641 Motor Relay

The PCS-9641 relay is a protection, control and monitoring unit for various kinds of motors on solidly grounded, impedance grounded, Peterson coil grounded and ungrounded system.
The PCS-9641 features high performance functional library, programmable logic, configurable I/O and integrated frequencytracking. This relay is designed based on advanced multiprocessor platform, fully complying with IEC 61850 station bus & process bus, supporting IEC 61850-8-1 MMS and GOOSE.

Protection and Control Monitoring and Metering Communcation

Current differential protection. (87M)
Overcurrent protection. (67P, 50P/51P)
Neutral/ground overcurrent protection. (67G, 50/51G)
Sensitive earth fault protection. (67SG/51SG)
Negative sequence overcurrent protection. (46)
Broken conductor detection. (46BC)
Breaker failure protection. (50BF)
Undercurrent protection. (37)
Undervoltage protection and Over voltage protection. (27/59)
Zero sequence overvoltage protection. (59G)
Negative sequence overvoltage protection. (47)
Thermal overload element. (49)
RTD temperature protection. (RTD)
Under-frequency protection, overfrequency protection and rate-of-change of frequency (81U/O/R)
Reverse power protection. (32R)
Under power protection. (37P)
Power factor protection (Out-of-step protection). (55)
Restart inhibit for starts per time interval. (66)
Starting-time supervision. (48)
The motor startup-time supervision function protects against excessive starting time and locked rotor conditions of motors during startup.
Remote and local tripping/closing of breaker.
The breaker tripping/closing can be implemented remotely or locally.
Voltage and current drift auto adjustment.
Frequency tracking.

Metering of current, voltage, active power, reactive power, power factor, energy, frequency,.
Circuit breaker monitoring.
CT failure supervision.
VT failure supervision.
Tripping circuit supervision.
Self diagnostic.
Fault Recorder: 64 fault and disturbance records, and 8 motor startup wave records.
Total 1024 SOE, including tripping, alarm, binary input change and human operation reports.
8 motor startup reports, 64 protection operation reports, 1024 supervision alarm records, 1024 control operation records, 1024 user operation records.
Complete event recording function
64 faults and operation sequences, 64 fault waveforms, results of 256 self-supervision reports, and 1024 binary signal change reports can be recorded.

Up to four 10Base-T/100Base-TX (RJ45) ports or two 100Base-FX ports with IEC 61850-8-1 MMS and GOOSE for non-time-critical message, IEC 60870-5-103 over TCP/IP or DNP 3.0
Two RS-485 rear ports with IEC 60870-5-103, MODBUS
Up to Six 100Base-FX ports with IEC 61850-9-2 Sampling Value and GOOSE for time-critical message
One RS-485 rear port for clock synchronization
One RS-232 rear port for printer
1 faceplate RJ45 port for testing and setting
Clock synchronization via pulse, IRIG-B and SNTP

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