ABB REG650 Technical Manual page 252

Generator protection
Hide thumbs Also See for REG650:
Table of Contents

Advertisement

Section 8
Current protection
246
Table 133:
Basic parameter group settings for the function VR2PVOC (VRC1-)
Parameter
Range
Operation
Off
On
StartCurr
2.0 - 5000.0
Characterist
ANSI Ext. inv.
ANSI Very inv.
ANSI Norm. inv.
ANSI Mod. inv.
ANSI Def. Time
L.T.E. inv.
L.T.V. inv.
L.T. inv.
IEC Norm. inv.
IEC Very inv.
IEC inv.
IEC Ext. inv.
IEC S.T. inv.
IEC L.T. inv.
IEC Def. Time
tDef_OC
0.00 - 6000.00
k
0.05 - 999.00
tMin
0.00 - 6000.00
Operation_UV
Off
On
StartVolt
2.0 - 100.0
tDef_UV
0.00 - 6000.00
EnBlkLowV
Off
On
BlkLowVolt
0.0 - 5.0
Table 134:
Advanced parameter group settings for the function VR2PVOC (VRC1-)
Parameter
Range
VDepMode
Step
Slope
VDepFact
5.0 - 100.0
UHighLimit
30.0 - 100.0
Step
Default
Unit
-
Off
1.0
120.0
-
IEC Norm. inv.
0.01
0.50
0.01
1.00
0.01
0.05
-
Off
0.1
50.0
0.01
1.00
-
On
0.1
3.0
Step
Default
Unit
-
Slope
0.1
25.0
0.1
100.0
1MRK 502 043-UUS B
Description
-
Operation Off / On
%IB
Start current level in % of
IBase
-
Time delay curve type for
51V
s
Independent (definite)
time delay for OC
-
Time multiplier for the
IDMT curves
s
Minimum operate time for
IDMT curves
-
Operation of under-
voltage stage (ANSI 27)
Off / On
%UB
Operate undervoltage
level for UV in % of Ubase
s
Operate time delay in sec
for definite time use of UV
-
Enable internal low
voltage level blocking for
UV
%UB
Internal low voltage
blocking level for UV in %
of Ubase
Description
-
Voltage dependent mode
OC (step, slope)
-
Start current level in % of
pickup when U< 25% of
UBase
%UB
Voltage high limit setting
in % of Ubase
Technical Manual

Advertisement

Table of Contents
loading

Table of Contents