ABB RELION 670 Series Product Manual page 125

Transformer protection RET670 2.1 IEC
Table 167. Differential protection
Positio 1 2
n
A 0 0
Table 168. 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 169. Impedance protection
Po 1 2 3 4
siti
on
B
ABB
3 4 5
0 0
5 6 7 8 9 10
6 7 8 9
0
Function Ordering no
identification
T2WPDIF 1MRK005904-FB
T3WPDIF 1MRK005904-GA
HZPDIF 1MRK005904-HA
REFPDIF 1MRK005904-LC
LDRGFC 1MRK005904-TA
11 12 13 14 15
1MRK 504 155-BEN F
10 11 12
0 0 0
Positi Available
on qty
5 1-2
6 1-2
7 0-6
9 0-3
14 0-1
16 17 18 19 20 21
0 0
13 14
0
Selected Notes
qty and rules
Note:
One, and
only one
PDIF
must be
ordered.
22 23 24 25
0 0
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