ABB RET670 - Page 866

87N
50/51P
27P
59P
50/51G
50/51P
BKR1
60
49
50BF2
50BF1
50BF4
50BF3
VT’s from MV side of XFRM
94/86
Trip from 50-BF1,
50-BF2
Trip from 50-BF3,
50-BF4
50/51N
50/51N
BKR2
BKR4
CT1
CT2
CT7
WDG1
WDG2
59N
50BF5
50/51P
94/86
TRIP
BKR5
BKR3
CT3
CT4
WDG3
CT5
67P
24
94/86
TRIP
BKR3
TRIP
BKR4
94/86
TRIP
BKR1
94/86
TRIP
BKR2
94/86
94/86
87T
ANSI10000089-3-en.vsd
ANSI10000089 V3 EN
Figure 330: Protection functions configured in 3 WDG transformer with double
breaker at HV and MV side and single breaker on LV side
The following tables illustrate the external connections for the analog inputs, binary
inputs, and binary outputs for each of the configurations.
Table 266: Analog input module, Slot p31, Connector X401
AIM
#
Term
#
P RET670-B30 RET670-A40 RET670-B40
1 1 I+ HV Bkr 1 - I
A
HV Bkr 1 - I
A
HV Bkr 1 - I
A
2 -
2 3 I+ HV Bkr 1 - I
B
HV Bkr 1 - I
B
HV Bkr 1 - I
B
4 -
3 5 I+ HV Bkr 1 - I
C
HV Bkr 1 - I
C
HV Bkr 1 - I
C
6 -
Table continues on next page
Section 6 1MRK504116-UUS C
Configuration
860
Application manual