Name
Type
Description
ST2
BOOLEAN
Start signal for step 2
ALARM
BOOLEAN
Alarm signal
NSCURR
REAL
Negative sequence current in primary amps
8.9.5
Settings
Table 143:
NS2PTOC Group settings (basic)
Name
Values (Range)
Unit
Step
Default
Description
Operation
Off
On
-
-
Off
Operation Off / On
tAlarm
0.00 - 6000.00
s
0.01
3.00
Time delay for Alarm (operated by START
signal), in sec
OpStep1
Off
On
-
-
On
Enable execution of step 1
I2-1>
3 - 500
%IB
1
10
Step 1 Neg. Seq. Current pickup level, in
% of IBase
CurveType1
Definite
Inverse
-
-
Definite
Selection of definite or inverse time-
characteri. for step 1
t1
0.00 - 6000.00
s
0.01
10.00
Definite time delay for trip of step 1, in sec
tResetDef1
0.000 - 60.000
s
0.001
0.000
Time delay for reset of definite timer of
step 1, in sec
K1
1.0 - 99.0
s
0.1
10.0
Neg. seq. capability value of generator for
step 1, in sec
t1Min
0.000 - 60.000
s
0.001
5.000
Minimum trip time for inverse delay of step
1, in sec
t1Max
0.00 - 6000.00
s
0.01
1000.00
Maximum trip delay for step 1, in sec
ResetMultip1
0.01 - 20.00
-
0.01
1.00
Reset multiplier for K1, defines reset time
of inverse curve
OpStep2
Off
On
-
-
On
Enable execution of step 2
I2-2>
3 - 500
%IB
1
10
Step 2 Neg. Seq. Current pickup level, in
% of IBase
t2
0.00 - 6000.00
s
0.01
10.00
Definite time delay for trip of step 2, in sec
tResetDef2
0.000 - 60.000
s
0.001
0.000
Time delay for reset of definite timer of
step 2, in sec
Table 144:
NS2PTOC Non group settings (basic)
Name
Values (Range)
Unit
Step
Default
Description
GlobalBaseSel
1 - 6
-
1
1
Selection of one of the Global Base Value
groups
1MRK 502 048-UEN A
Section 8
Current protection
245
Technical manual
Summary of Contents for REG650 ANSI
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