Name
Values (Range)
Unit
Step
Default
Description
t2
0.000 - 60.000
s
0.001
0.400
Definitive time delay of step 2
TD2
0.05 - 999.00
-
0.01
0.05
Time multiplier for the inverse time delay for
step 2
IMin2
1 - 10000
%IB
1
50
Minimum operate current for step2 in % of
IBase
t2Min
0.000 - 60.000
s
0.001
0.000
Minimum operate time for inverse curves for
step 2
MultPU2
1.0 - 10.0
-
0.1
2.0
Multiplier for current operate level for step 2
DirModeSel3
Disabled
Non-directional
Forward
Reverse
-
-
Non-directional
Directional mode of step 3 (Disabled, Nondir,
Forward, Reverse)
Characterist3
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
Programmable
RI type
RD type
-
-
ANSI Def. Time
Selection of time delay curve type for step 3
Pickup3
1 - 2500
%IB
1
250
Phase current operate level for step3 in % of
IBase
t3
0.000 - 60.000
s
0.001
0.800
Definitive time delay of step 3
TD3
0.05 - 999.00
-
0.01
0.05
Time multiplier for the inverse time delay for
step 3
IMin3
1 - 10000
%IB
1
33
Minimum operate current for step3 in % of
IBase
t3Min
0.000 - 60.000
s
0.001
0.000
Minimum operate time for inverse curves for
step 3
MultPU3
1.0 - 10.0
-
0.1
2.0
Multiplier for current operate level for step 3
DirModeSel4
Disabled
Non-directional
Forward
Reverse
-
-
Non-directional
Directional mode of step 4 (Disabled, Nondir,
Forward, Reverse)
Table continues on next page
Section 7
1MRK505222-UUS C
Current protection
392
Technical reference manual
Summary of Contents for Relion 670 series
Page 1: ...Relion 670 series Line differential protection RED670 ANSI Technical reference manual...
Page 2: ......
Page 40: ...34...
Page 50: ...44...
Page 60: ...54...
Page 126: ...120...
Page 384: ...378...
Page 496: ...490...
Page 556: ...550...
Page 602: ...596...
Page 620: ...614...
Page 794: ...788...
Page 864: ...858...
Page 988: ...982...
Page 998: ...992...
Page 1084: ...1078...
Page 1164: ...1158...
Page 1168: ...1162...
Page 1220: ...1214...
Page 1230: ...1224...
Page 1231: ...1225...