Settings - ABB Relion Technical Manual

Section 9
Voltage protection
9.3.5
Table 168: 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 169: ROV2PTOV (59N) Non group settings (basic)
Name Values (Range)
GlobalBaseSel 1 - 6
9.3.6
9.3.7
296

Settings

Unit Step
- -
- -
- -
%VB 1
s 0.01
s 0.001
- 0.01
- -
%VB 1
s 0.001
Unit Step
- 1
Monitored data
Table 170: 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
1MRK 502 048-UUS A
Description
Magnitude of measured
voltage
is normally computed by
0
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