P44x/EN IT/Hb
MiCOM P40 Agile P442, P444
(IT) 1-
Protection Functions Overview
ANSI IEC 61850
Features P442 P444
50BF RBRF Circuit breaker failure
• •
PTRC Tripping 1/3p 1/3p
79 RREC Autoreclose (4 shots) 1/3p 1/3p
25 RSYN Check synchronism
• •
VTS
Voltage Transformer Supervision
(1, 2 & 3 phase fuse failure detection)
• •
CTS Current Transformer Supervision
• •
CVTS Capacitive Voltage Transformer Supervision
• •
51FF PTOC Emergency Overcurrent on VT failure
• •
OptGGIO Digital inputs 16 24
RlyGGIO Output relays (fast output optional) 21
32 or
46
SV IEC 61850-9-2 sampled values
• •
Front communication port (RS232/K-bus)
• •
Rear communication port (RS485/Optic/Ethernet)
*
• •
Second rear communication port
(RS232/RS485/K-Bus)*
option option
Time synchronisation port (IRIG-B) * option option
IEC 61850-9-2-LE Sampled Analogue values
Ethernet board
option option
*It may be possible to get all in one particular model.
NA: Not applicable
To complement the wide range of protection functions listed in the table, the P442 and P444
relays are provided with the following measurement, control, monitoring, post fault
analysis and self-diagnostic functions.
• Fault locator
• Display of instantaneous measured and derived values
• Circuit breaker control, status & condition monitoring.
• Trip circuit and coil supervision
• 4 alternative setting groups
• Programmable scheme logic
• Sequence of event recording
• Comprehensive disturbance recording (waveform capture)
• User configurable LEDs
• Local and remote communication ports
• Multiple communication protocol and interface options
• Time synchronisation
• Fully customisable menu texts
• Multi level password protection
• Test facilities
• Power-up diagnostics and continuous self monitoring of the relay
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