Differential Functions - ABB RET670 Product Manual

Transformer protection RET670 2.0
Product version: 2.0
Table 128. Differential functions
Function
Transformer differential protection, two winding
Transformer differential protection, three winding
1Ph High impedance differential protection
Restricted earth fault protection, low impedance
Additional security logic for differential protection
Table 129. Impedance protection
Po 1 2 3 4
siti
on
B
ABB
5 6 7 8 9 10
Function Ordering no
identification
T2WPDIF 1MRK005904-FA
T3WPDIF 1MRK005904-GA
HZPDIF 1MRK005904-HA
REFPDIF 1MRK005904-LA
LDRGFC 1MRK005904-TA
11 12 13 14 15 16
1MRK 504 141-BEN C
Positi Available Selected
on qty qty
5 0-2
6 0-2
7 0-6
9 0-3
14 0-1
17 18 19 20 21 22
0 0
Notes and
rules
Note: One,
and only
one PDIF
must be
ordered.
23 24 25
0 0
105