ABB RELION REX640 Technical Manual page 713

1MRS759142 F
Table 661: TR2PTDF Non group settings (Advanced)
Parameter Values (Range)
Min winding tap -36...36
Max winding tap -36...36
Tap nominal -36...36
Tapped winding
1=Not in use
2=Winding 1
3=Winding 2
Step of tap 0.60...9.00
4.3.2.10 TR2PTDF Monitored data
Table 662: TR2PTDF Monitored data
Name Type
OPR_A BOOLEAN
OPR_B BOOLEAN
OPR_C BOOLEAN
BLKD2H_A BOOLEAN
BLKD2H_B BOOLEAN
BLKD2H_C BOOLEAN
BLKD5H_A BOOLEAN
BLKD5H_B BOOLEAN
Table continues on the next page
REX640
Technical Manual
Unit Step
1
1
1
% 0.01
Values (Range)
0=False
1=True
0=False
1=True
0=False
1=True
0=False
1=True
0=False
1=True
0=False
1=True
0=False
1=True
0=False
1=True
Protection functions
Default
17
0
8
1=Not in use
1.50
Unit Description
Operate phase A
Operate phase B
Operate phase C
2nd harmonic restraint
block phase A status
2nd harmonic restraint
block phase B status
2nd harmonic restraint
block phase C status
5th harmonic restraint
block phase A status
5th harmonic restraint
block phase B status
Description
The tap position
number resulting
the minimum num-
ber of effective
winding turns on
the side of the
transformer where
the tap changer is.
The tap position
number resulting
the maximum num-
ber of effective
winding turns on
the side of the
transformer where
the tap changer is.
The nominal posi-
tion of the tap
changer resulting
the default trans-
formation ratio of
the transformer (as
if there was no tap
changer)
The winding where
the tap changer is
connected to
The percentage
change in voltage
corresponding one
step of the tap
changer
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