Name
Type
Description
PU_ST1
BOOLEAN
Start signal from step 1
PU_ST2
BOOLEAN
Start signal from step 2
PU_ST3
BOOLEAN
Start signal from step 3
PU_ST4
BOOLEAN
Start signal from step 4
PU_A
BOOLEAN
Pickup signal from phase A
PU_B
BOOLEAN
Pickup signal from phase B
PU_C
BOOLEAN
Pickup signal from phase C
2NDHARM
BOOLEAN
Block from second harmonic detection
7.1.5
Settings
Table 29:
OC4PTOC (51_67) Group settings (basic)
Name
Values (Range)
Unit
Step
Default
Description
Operation
Disabled
Enabled
-
-
Disabled
Disable/Enable Operation
DirModeSel1
Disabled
Non-directional
Forward
Reverse
-
-
Non-directional
Directional mode of step 1 off / non-
directional / forward / reverse
Characterist1
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
Reserved
RI type
RD type
-
-
ANSI Def. Time
Selection of time delay curve type for step 1
Pickup1
5 - 2500
%IB
1
1000
Phase current operate level for step1 in % of
IBase
t1
0.000 - 60.000
s
0.001
0.000
Definite time delay of step 1
TD1
0.05 - 999.00
-
0.01
0.05
Time multiplier for the inverse time delay for
step 1
IMin1
5 - 10000
%IB
1
100
Minimum operate current for step1in% of IBase
t1Min
0.000 - 60.000
s
0.001
0.000
Minimum operate time for inverse curves for
step 1
Table continues on next page
1MRK 505 277-UUS C
Section 7
Current protection
75
Technical Manual
Summary of Contents for REB650
Page 1: ...Relion 650 series Busbar protection REB650 ANSI Technical Manual ...
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