Circuit Breaker Failure Protection (Ccbrbrf); Three-Phase Thermal Overload (T1Pttr) - ABB REF615 Product Manual

Feeder Protection and Control
REF615
Product version: 2.0
Table 48. Circuit breaker failure protection (CCBRBRF)
Operation accuracy
Operate time accuracy
Table 49. 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
Table 50. Three-phase thermal overload (T1PTTR)
Operation accuracy
Operate time accuracy
Table 51. Three-phase thermal overload (T1PTTR) main settings
Parameter
Env temperature Set
(Ambient temperature used when
the AmbSens is set to Off)
Current multiplier
(Current multiplier when function
is used for parallel lines)
Current reference
Temperature rise
(End temperature rise above
ambient)
Time constant
(Time constant of the line in
seconds)
34
Depending on the frequency of the current
measured: fn ±2Hz
±1.5% of the set value or ±0.002 x I
±1.0% of the set value or ±20 ms
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
Depending on the frequency of the current
measured: fn ±2Hz
Current measurement: ±0.5% or ±0.002 x I
(at currents in the range of 0.01...4.00 x I
±2.0% or ±0.50 s
Function Value (Range)
T1PTTR -50...100°C
T1PTTR 1...5
T1PTTR 0.05...4.00 x I
T1PTTR 0.0...200.0°C
T1PTTR 60...60000 s
1MRS756379 D
n
Step
0.05
n
0.05
n
10
10
10
n
)
n
Step
1
1
0.01
n
0.1
1
ABB