ABB RED615 Product Manual page 21

ABB
Line Differential Protection and Control
RED615
Product version: 1.1
Circuit breaker failure protection (CCBRBRF) main settings
Parameter
Current value
(Operating phase current)
Current value Res
(Operating residual current)
CB failure mode
(Operating mode of function)
CB fail trip mode
Retrip time
CB failure delay
CB fault delay
Three-phase inrush current detection (INRPHAR)
Operation accuracy
Reset time
Reset ratio
Operate time accuracy
Three-phase inrush current detection (INRPHAR) main settings
Parameter
Start value
(Ratio of the 2nd to the 1st har-
monic leading to restraint)
Operate delay time
Function Value (Range)
CCBRBRF 0.05...1.00 x I
CCBRBRF 0.05...1.00 x I
CCBRBRF 1=Current
2=Breaker status
3=Both
CCBRBRF 1=Off
2=Without check
3=Current check
CCBRBRF 0...60000 ms
CCBRBRF 0...60000 ms
CCBRBRF 0...60000 ms
At the frequency f=f
n
Current measurement:
±1.5% of set value or ±0.002 x I
Ratio I2f/I1f measurement: ±5.0% of set value
+35 ms / -0 ms
Typical 0.96
+35 ms / -0 ms
Function Value (Range)
INRPHAR 5...100 %
INRPHAR 20...60000 ms
1MRS756500 A
Step
0.05
n
0.05
n
10
10
10
n
Step
1
1
1