
Table 109:
CCRBRF (50BF) Output signals
Name
Type
Description
TRBU
BOOLEAN
Back-up trip by breaker failure protection function
TRRET
BOOLEAN
Retrip by breaker failure protection function
8.5.5
Settings
Table 110:
CCRBRF (50BF) Group settings (basic)
Name
Values (Range)
Unit
Step
Default
Description
Operation
Disabled
Enabled
-
-
Disabled
Disable/Enable Operation
FunctionMode
Current
Contact
Current&Contact
-
-
Current
Detection principle for back-up trip
BuTripMode
2 out of 4
1 out of 3
1 out of 4
-
-
1 out of 3
Back-up trip mode
RetripMode
Retrip Off
CB Pos Check
No CBPos Check
-
-
Retrip Off
Operation mode of re-trip logic
Pickup_PH
5 - 200
%IB
1
10
Phase current pickup in % of IBase
Pickup_N
2 - 200
%IB
1
10
Operate residual current level in % of IBase
t1
0.000 - 60.000
s
0.001
0.000
Time delay of re-trip
t2
0.000 - 60.000
s
0.001
0.150
Time delay of back-up trip
Table 111:
CCRBRF (50BF) Group settings (advanced)
Name
Values (Range)
Unit
Step
Default
Description
Pickup_BlkCont
5 - 200
%IB
1
20
Current for blocking of 52a operation in % of
Ibase
Table 112:
CCRBRF (50BF) Non group settings (basic)
Name
Values (Range)
Unit
Step
Default
Description
GlobalBaseSel
1 - 6
-
1
1
Selection of one of the Global Base Value
groups
1MRK 502 048-UUS A
Section 8
Current protection
243
Technical manual
Содержание Relion
Страница 1: ...Relion 650 series Generator protection REG650 ANSI Technical manual...
Страница 2: ......
Страница 44: ...38...
Страница 62: ...56...
Страница 68: ...62...
Страница 156: ...150...
Страница 198: ...192...
Страница 512: ...506...
Страница 644: ...638...
Страница 714: ...708...
Страница 777: ...771...