ABB RELION REX640 Technical Manual page 745

1MRS759142 F
Parameter Values (Range)
3=Winding 2
4=Winding 3
Step of tap 0.60...9.00
CT ratio Cor Wnd 1 0.20...5.00
CT ratio Cor Wnd 2 0.20...5.00
CT ratio Cor 3 0.20...5.00
4.3.3.11 TR3PTDF Monitored data
Table 676: TR3PTDF 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
BLKD5H_C BOOLEAN
BLKDWAV_A BOOLEAN
BLKDWAV_B BOOLEAN
BLKDWAV_C BOOLEAN
BLKD2HPHAR BOOLEAN
Table continues on the next page
REX640
Technical Manual
Unit Step
% 0.01
0.01
0.01
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
0=False
1=True
0=False
1=True
0=False
1=True
0=False
1=True
0=False
1=True
Protection functions
Default
1.50
1.00
1.00
1.00
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
5th harmonic restraint
block phase C status
Waveform blocking
phase A status
Waveform blocking
phase B status
Waveform blocking
phase C status
2nd harmonic restraint
blocking for PHAR LN,
combined
Description
The percentage
change in voltage
corresponding one
step of the tap
changer
CT ratio correction,
winding 1
CT ratio correction,
winding 2
CT ratio correction,
current group 3
745