ABB ret650 - Function Block; Identification; Monitored Data; Transformer Differential Protection, Three Winding T3 WPDIF

6.1.2.5 Monitored data
Table 28: T2WPDIF Monitored data
Name
Type Values (Range) Unit Description
IDL1MAG REAL - A Magnitude of
fundamental frequency
differential current, phase
L1
IDL2MAG
REAL - A Magnitude of
fundamental frequency
differential current, phase
L2
IDL3MAG
REAL - A Magnitude of
fundamental frequency
differential current, phase
L3
IBIAS
REAL - A Magnitude of the bias
current, which is common
to all phases
IDNSMAG
REAL - A Magnitude of the
negative sequence
differential current
6.1.3 Transformer differential protection, three winding T3WPDIF
6.1.3.1 Identification
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Transformer differential protection,
three-winding
T3WPDIF
3Id/I
SYMBOL-BB V1 EN
87T
6.1.3.2 Function block
T3WPDIF
I3PW1CT1*
I3PW2CT1*
I3PW3CT1*
BLOCK
TRIP
TRIPRES
TRIPUNRE
TRNSUNR
TRNSSENS
START
STL1
STL2
STL3
BLK2H
BLK5H
BLKWAV
IDALARM
IDL1MAG
IDL2MAG
IDL3MAG
IBIAS
IDNSMAG
IEC09000269_1_en.vsd
IEC09000269 V1 EN
Figure 31: T3WPDIF function block
1MRK 504 135-UEN A Section 6
Differential protection
83
Technical manual