Name
Values (Range)
Unit
Step
Default
Description
CurveType_OC1
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
Programmable
RI type
RD type
-
-
ANSI Def. Time
Selection of time delay curve type for OC1
tDef_OC1
0.00 - 6000.00
s
0.01
0.50
Independent (definitive) time delay of OC1
TD_OC1
0.05 - 999.00
-
0.01
0.30
Time multiplier for the dependent time delay
for OC1
IMin1
1 - 10000
%IB
1
100
Minimum operate current for step1in% of IBase
tMin_OC1
0.00 - 6000.00
s
0.01
0.05
Minimum operate time for IEC IDMT curves
for OC1
VCntrlMode_OC1
Voltage control
Input control
Volt/Input control
Disabled
-
-
Disabled
Control mode for voltage controlled OC1
function
VDepMode_OC1
Step
Slope
-
-
Step
Voltage dependent mode OC1 (step, slope)
VDepFact_OC1
0.02 - 5.00
-
0.01
1.00
Multiplying factor for current pickup when
OC1 is voltage dependent
VLowLimit_OC1
1.0 - 200.0
%VB
0.1
50.0
Voltage low limit setting OC1 in % of Vbase
VHighLimit_OC1
1.0 - 200.0
%VB
0.1
100.0
Voltage high limit setting OC1 in % of Vbase
HarmRestr_OC1
Disabled
Enabled
-
-
Disabled
Enable block of OC1 by 2nd harmonic restrain
DirMode_OC1
Non-directional
Forward
Reverse
-
-
Non-directional
Directional mode of OC1 (nondir,
forward,reverse)
DirPrinc_OC1
I&V
IcosPhi&U
-
-
I&V
Measuring on IandV or IcosPhiandV for OC1
ActLowVolt1_VM
Non-directional
Block
Memory
-
-
Non-directional
Low voltage level action for Dir_OC1 (Nodir,
Blk, Mem)
Operation_OC2
Disabled
Enabled
-
-
Disabled
Disable/Enable Operation od OC2
PickupCurr_OC2
2.0 - 5000.0
%IB
1.0
120.0
Pickup current for OC2 in % of Ibase
Table continues on next page
1MRK505222-UUS C
Section 10
Multipurpose protection
587
Technical reference manual
Summary of Contents for Relion 670 series
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