ABB RELION REX640 Technical Manual page 744

Protection functions
Table 675: TR3PTDF Non group settings (Basic)
Parameter Values (Range)
Operation
1=on
5=off
Current group 3
1=Not in use
type
2=Winding 3
3=Wnd 1 restraint
4=Wnd 2 restraint
CT connection 1-2
1=Type 1
2=Type 2
CT connection 1-3
1=Type 1
2=Type 2
Phase Ref winding
2=Winding 1
3=Winding 2
4=Winding 3
Zro A elimination
1=Not eliminated
2=Winding 1
3=Winding 2
4=Winding 1 and 2
5=Winding 3
6=Winding 1 and 3
7=Winding 2 and 3
8=Winding 1, 2, 3
Phase shift Wnd 1-2 0.0...359.9
Phase shift Wnd 1-3 0.0...359.9
Min winding tap -36...36
Max winding tap -36...36
Tap nominal -36...36
Tapped winding
1=Not in use
2=Winding 1
Table continues on the next page
744
Unit Step
deg 0.1
deg 0.1
1
1
1
1MRS759142 F
Default Description
1=on Operation Off/On
2=Winding 3 Type of the third
set/group of cur-
rent inputs
1=Type 1 CT connection
type consideration
between current
groups 1 and 2
1=Type 1 CT connection
type consideration
between current
groups 1 and 3
2=Winding 1 Reference winding
for vector group
matching
1=Not eliminated Elimination of the
zero-sequence cur-
rent
0.0 Setting the phase
shift between
winding 1 and 2 in
degrees
0.0 Setting the phase
shift between
winding 1 and 3 in
degrees
17 The tap position
number resulting
the minimum num-
ber of effective
winding turns on
the side of the
transformer where
the tap changer is.
0 The tap position
number resulting
the maximum num-
ber of effective
winding turns on
the side of the
transformer where
the tap changer is.
8 The nominal posi-
tion of the tap
changer resulting
the default trans-
formation ratio of
the transformer (as
if there was no tap
changer)
1=Not in use The winding where
the tap changer is
connected to
Technical Manual
REX640