Micom P634 - Overview of Function Groups - Part 1

1.3 Overview of Function Groups - Part 1
The following tables list the function groups that can be included in or excluded
from the configuration of the P634.
✓ = Standard; (✓) = Ordering option.
Protection functions
P634ANSI IEC 61850 Function group
Abbrev. Description
87T PhsPDIF1 DIFF Differential protection, phase selective 4 wind.
PHAR1 Inrush stabilization (functionality that is part of the
DIFF function group)
✓
87N REF_x Restricted earth-fault protection 3
50TD
P/ Q/ N
DtpPhs- /
DtpEft- /
DtpNgsPTCO
x
DTOCx Definite-time overcurrent protection, 3 stages,
phase-, negative-sequence-, residual/starpoint-
overcurrent
3
51 P/
Q/ N
ItpPhs- /
ItpEft- /
ItpNgsPTCOx
IDMTx Inverse-time overcurrent protection, one stage,
phase-, negative-sequence-, residual/starpoint-
overcurrent
3
49 ThmPTTR1 THRMx Thermal overload protection 2
27/ 59
P/ Q/ N
VtpPhs- /
VtpNgs- /
VtpPss- /
VtpRefPTyVx
V<> Time-voltage Protection 1
81 FrqPTyFx f<> Over / Underfrequency protection 1
24 V/f Overfluxing protection 1
50 BF RBRFx CBF_x Circuit breaker failure protection 4
CTS Current transformer supervision 1
30/ 74 AlmGGIO1 MCM_x Measuring-circuit monitoring 4
LIMIT
LIM_x
Limit value monitoring 3
TRMON Transformer monitoring ✓
LGC PloGGIOx LOGIC /
LOG_2
Programmable logic ✓
P634 1 Application and Scope
1-4 P634/EN M/R-42-A // P634‑311‑653