Differential Functions - ABB RED670 Product Manual

Line differential protection RED670 2.1 IEC
Product version: 2.1
Table 182. Differential functions
Function
1Ph High impedance differential protection
Restricted earth fault protection, low impedance
Line differential protection, 3 CT sets, 2-3 line ends
Line differential protection, 6 CT sets, 3-5 line ends
Line differential protection 3 CT sets, with inzone transformers, 2-3 line
ends
Line differential protection 6 CT sets, with inzone transformers, 3-5 line
ends
Additional security logic for differential protection
Table 183. Impedance protection
Po 1 2 3 4
siti
on
B
ABB
5 6 7 8 9 10
Function Ordering no
identification
HZPDIF 1MRK005904-HA
REFPDIF 1MRK005904-LC
L3CPDIF 1MRK005904-MB
L6CPDIF 1MRK005904-NB
LT3CPDIF 1MRK005904-PB
LT6CPDIF 1MRK005904-RB
LDRGFC 1MRK005904-TA
11 12 13 14 15 16
1MRK 505 346-BEN -
Positi Available Selected
on qty qty
7 0-3
9 0-2
10 0-1
11 0-1
12 0-1
13 0-1
14 0-1
17 18 19 20 21 22
0
Notes and
rules
Note: One,
and only
one PDIF
must be
ordered.
23 24 25
0 0 0
117