Name
Values (Range)
Unit
Step
Default
Description
tMin
1.0 - 120.0
s
0.1
10.0
Minimum time, used in operate
characteristic
tMax
100.0 - 2000.0
s
0.1
300.0
Maximum time, used in operate
characteristic
tCutOff
10.0 - 2000.0
s
0.1
120.0
Cut-off time, used in operate
characteristic
tReset
10.0 - 2000.0
s
0.1
120.0
Time required for Theta to reset from
100% to 0%
Table 251:
GSPTTR Group settings (advanced)
Name
Values (Range)
Unit
Step
Default
Description
PosSeqFactor
0.0 - 10.0
-
0.1
1.0
Weighting factor for the positive sequence
current
NegSeqFactor
0.0 - 10.0
-
0.1
6.0
Weighting factor for the negative
sequence current
Table 252:
GSPTTR Non group settings (basic)
Name
Values (Range)
Unit
Step
Default
Description
MeasurCurrent
RMS
PosSeqNegSeq
-
-
RMS
Measured current quantity (RMS or
weighted sum of positive and negative
sequence)
GlobalBaseSel
1 - 12
-
1
1
Selection of one of the Global Base Value
groups
8.15.6
Monitored data
Table 253:
GSPTTR Monitored data
Name
Type
Values (Range)
Unit
Description
IMEAS
REAL
-
A
Measured current, used
for calculation of operate
time
THETA
REAL
-
%
Overload in percent of set
trip level (i.e. Trip=100%)
8.15.7
Operation principle
The stator overload protection can be illustrated in three separate sub-blocks, see
Figure
.
1MRK502052-UEN B
Section 8
Current protection
455
Technical manual
Summary of Contents for Relion REG670
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