ABB RELION 670 Series Technical Manual page 502

Generator protection
Hide thumbs Also See for RELION 670 Series:
Table of Contents

Advertisement

Section 8
Current protection
Name
Values (Range)
Characterist4
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
I2-4>
1 - 2500
t4
0.000 - 60.000
TD4
0.05 - 999.00
IMin4
1.00 - 10000.00
t4Min
0.000 - 60.000
MultPU4
1.0 - 10.0
Table 238: NS4PTOC (46I2) Group settings (advanced)
Name
Values (Range)
ResetTypeCrv1
Instantaneous
IEC Reset
ANSI reset
tReset1
0.000 - 60.000
tPCrv1
0.005 - 3.000
tACrv1
0.005 - 200.000
tBCrv1
0.00 - 20.00
tCCrv1
0.1 - 10.0
tPRCrv1
0.005 - 3.000
tTRCrv1
0.005 - 100.000
tCRCrv1
0.1 - 10.0
Table continues on next page
496
Unit
Step
Default
-
-
ANSI Def. Time
%IB
1
17
s
0.001
1.200
-
0.01
0.05
%IB
1.00
17
s
0.001
0.000
-
0.1
2.0
Unit
Step
Default
-
-
Instantaneous
s
0.001
0.020
-
0.001
1.000
-
0.001
13.500
-
0.01
0.00
-
0.1
1.0
-
0.001
0.500
-
0.001
13.500
-
0.1
1.0
1MRK 502 066-UUS B
Description
Time delay characteristic for step 4
Negative sequence current op level for
step 4 in % of IBase
Def time delay or add time delay for
inverse char of step 4
Time multiplier for the step 4 selected
time characteristic
Minimum current for step 4
Minimum operate time for inverse time
characteristic step 4
Multiplier for scaling the current setting
value for step 4
Description
Reset curve type for step1
(Instantaneous / IEC / ANSI)
Reset time delay for step 1
Param P for customized inverse trip time
curve for step 1
Param A for customized inverse trip time
curve for step 1
Param B for customized inverse trip time
curve for step 1
Param C for customized inverse trip time
curve for step 1
Param PR for customized inverse reset
time curve for step 1
Param TR for customized inverse reset
time curve for step
Param CR for customized inverse reset
time curve for step 1
Technical manual

Advertisement

Table of Contents
loading

This manual is also suitable for:

Reg670

Table of Contents