Monitored Data - ABB REG670 Technical Manual

Section 6
Differential protection
Name
LocationOLTC1
LowTapPosOLTC1
RatedTapOLTC1
HighTapPsOLTC1
TapHighVoltTC1
StepSizeOLTC1
LocationOLTC2
LowTapPosOLTC2
RatedTapOLTC2
HighTapPsOLTC2
TapHighVoltTC2
StepSizeOLTC2
6.1.6
112
Values (Range) Unit
Not Used -
Winding 1 (W1)
Winding 2 (W2)
Winding 3 (W3)
0 - 10 -
1 - 100 -
1 - 100 -
1 - 100 -
0.01 - 30.00 %
Not Used -
Winding 1 (W1)
Winding 2 (W2)
Winding 3 (W3)
0 - 10 -
1 - 100 -
1 - 100 -
1 - 100 -
0.01 - 30.00 %

Monitored data

Table 45: T2WPDIF Monitored data
Name
OCTSIDE
OPENCTIN
OPENCTPH
IDL1MAG
IDL2MAG
Table continues on next page
Step Default
- Not Used
1 1
1 6
1 11
1 1
0.01 1.00
- Not Used
1 1
1 6
1 11
1 1
0.01 1.00
Type Values (Range)
INTEGER -
INTEGER -
INTEGER -
REAL -
REAL -
1MRK502052-UEN B
Description
Transformer winding where OLTC1 is
located
OLTC1 lowest tap position designation
(e.g. 1)
OLTC1 rated tap/mid-tap position
designation (e.g. 6)
OLTC1 highest tap position designation
(e.g. 11)
OLTC1 end-tap position with winding
highest no-load voltage
Voltage change per OLTC1 step in
percent of rated voltage
Transformer winding where OLTC2 is
located
OLTC2 lowest tap position designation
(e.g. 1)
OLTC2 rated tap/mid-tap position
designation (e.g. 6)
OLTC2 highest tap position designation
(e.g. 11)
OLTC2 end-tap position with winding
highest no-load voltage
Voltage change per OLTC2 step in
percent of rated voltage
Unit Description
- Open CT side : 1 -> W 1
(pri), 2 -> W 2 (sec)
- Open CT on Input : 1 for
input 1, 2 for input 2
- Open CT in Phase : 1 for
L1, 2 for L2, 3 for L3
A Magnitude of
fundamental freq. diff.
current, phase L1
A Magnitude of
fundamental freq. diff.
current, phase L2
Technical manual