Settings - ABB REG650 Technical Manual

Generator protection
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1MRK 502 043-UUS B
9.3.5
Table 151:
ROV2PTOV (59N) Group settings (basic)
Name
Values (Range)
Operation
Disabled
Enabled
OperationStep1
Disabled
Enabled
Characterist1
Definite time
Inverse curve A
Inverse curve B
Inverse curve C
Pickup1
1 - 200
t1
0.00 - 6000.00
t1Min
0.000 - 60.000
TD1
0.05 - 1.10
OperationStep2
Disabled
Enabled
Pickup2
1 - 100
t2
0.000 - 60.000
Table 152:
ROV2PTOV (59N) Non group settings (basic)
Name
Values (Range)
GlobalBaseSel
1 - 6
9.3.6
9.3.7
Technical Manual

Settings

Unit
Step
-
-
-
-
-
-
%VB
1
s
0.01
s
0.001
-
0.01
-
-
%VB
1
s
0.001
Unit
Step
-
1
Monitored data
Table 153:
ROV2PTOV (59N) Monitored data
Name
Type
VLevel
REAL
Operation principle
Two step residual overvoltage protection ROV2PTOV (59N) is used to detect ground
(zero sequence) overvoltages. The ground overvoltage 3V
Default
Description
Disabled
Disable/Enable Operation
Enabled
Enable execution of step 1
Definite time
Selection of time delay curve type for step 1
30
Voltage start value (DT & IDMT) in % of
VBase for step 1
5.00
Definite time delay of step 1
5.000
Minimum operate time for inverse curves for
step 1
0.05
Time multiplier for the inverse time delay for
step 1
Enabled
Enable execution of step 2
45
Voltage start value (DT & IDMT) in % of
VBase for step 2
5.000
Definite time delay of step 2
Default
Description
1
Selection of one of the Global Base Value
groups
Values (Range)
Unit
-
kV
Section 9
Voltage protection
Description
Magnitude of measured
voltage
is normally computed by
0
267

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