ABB Relion 670 series - Page 160

Table 216. Differential protection
Position 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
A 0 0 0 0 0 0 0
Table 217. Differential functions
Function Function
identification
Ordering no Position Available
qty
Selected
qty
Notes and
rules
High impedance differential protection, single phase HZPDIF 1MRK005904-HB 6 00-03
Restricted earth fault protection, low impedance REFPDIF 1MRK005904-LD 8 0-2
Line differential protection for 3 CT sets, 2-3 line ends L3CPDIF 1MRK005904-MC 9 0-1
1)
Line differential protection for 6 CT sets, 3-5 line ends L6CPDIF 1MRK005904-NC 10 0-1
Line differential protection for 3 CT sets, 2-3 line ends, inzone
transformer
LT3CPDIF 1MRK005904-PC 11 0-1
Line differential protection for 6 CT sets, 3-5 line ends, inzone
transformer
LT6CPDIF 1MRK005904-RC 12 0-1
High speed line differential protection for 4 CT sets, 2-3 line
ends
L4CPDIF 1MRK005905-NB 13 0-1
Line differential protection logic LDLPSCH 1MRK005904-SA 14 0-1
2)
Additional security logic for differential protection LDRGFC 1MRK005904-TA 15 0-1
1) Only one PDIF must be ordered. L4CPDIF requires line data communication in 2Mbps mode.
2) Required with L3CPDIF, L6CPDIF, LT3CPDIF or LT6CPDIF
Table 218. Impedance protection
Position 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
B 0 0 0 0
Line differential protection RED670
1MRK 505 379-BEN N
Version 2.2
160 Hitachi Power Grids
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