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PCS-9613 Differential Relay
The PCS-9613 relay is a current differential protection and overcurrent protection, control and monitoring unit with auto-reclosing function for distribution feeder lines in solidly grounded, impedance grounded, Peterson coil grounded and ungrounded system.
This relay can fully support the IEC61850 communication protocol and GOOSE function, and can completely meet the demands of a modern digitalized substation.
- Protection and Control Communcation Monitoring and Metering
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Current differential protection (87L)
Six-stage phase overcurrent protection (50P/51P/67P)
Six-stage zero sequence overcurrent protection (50G/51G/67G)
Negative sequence overcurrent protection (46)
Broken conductor protection (46BC)
The ratio of negative-sequence current to positive-sequence current (Ι2/Ι1) is used to detect the broken conductor.
Breaker failure Protection (50BF)
Thermal overload protection (49)
Undervoltage/Overvoltage protection (27/59)
Switch-onto-fault (SOTF) logic.
Synchronism check (25)
Auto-reclosing (three-pole) (79)
Mechanical protection(MR)
Remote control and measurement.
Voltage and current drift auto adjustment.
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
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
Tripping circuit supervision.
CT failure detection logic.
VT failure detection logic.
Synchro-check voltage failure supervision.
Self diagnostic.
Fault Recorder.
Total 1024 SOE, including tripping, alarm, binary input change and human operation reports.
Total 64 oscillograms. (Compatible with COMTRADE format)