ABB ABILITY SSC600 Product Manual page 19

Product Guide
SSC600
Product version: 1.0
Table 43. Three-phase underimpedance protection (UZPDIS)
Characteristic
Operation accuracy
Start time
42, 43
Reset time
Reset ratio
Retardation time
Operate time accuracy
Table 44. Three-phase thermal protection for feeders, cables and distribution transformers (T1PTTR)
Characteristic
Operation accuracy
Operate time accuracy
44
Table 45. Three-phase thermal protection for feeders, cables and distribution transformers (T1PTTR) main settings
Parameter
Env temperature Set
Current reference
Temperature rise
Time constant
Maximum temperature
Alarm value
Reclose temperature
Current multiplier
Initial temperature
Table 46. Circuit breaker failure protection (CCBRBRF)
Characteristic
Operation accuracy
Operate time accuracy
Reset time
Retardation time
Table 47. Circuit breaker failure protection (CCBRBRF) main settings
Parameter
Current value
Current value Res
CB failure mode
CB fail trip mode
Retrip time
CB failure delay
CB fault delay
42 fn = 50 Hz, results based on statistical distribution of 1000 measurements
43 Includes the delay of the signal output contact
44 Overload current > 1.2 × Operate level temperature
ABB
Function
T1PTTR
T1PTTR
T1PTTR
T1PTTR
T1PTTR
T1PTTR
T1PTTR
T1PTTR
T1PTTR
Function
CCBRBRF
CCBRBRF
CCBRBRF
CCBRBRF
CCBRBRF
CCBRBRF
CCBRBRF
Value
Depending on the frequency of the measured
current and voltage: fn ±2 Hz
±3.0% of the set value or ±0.2 %Zb
Typically 50 ms
Typically 40 ms
Typically 1.04
<40 ms
±1.0% of the set value or ±20 ms
Value
Depending on the frequency of the measured current: fn ±2 Hz
Current measurement: ±1.5% of the set value or ±0.002 × In (at currents in the
range of 0.01...4.00 × In)
±2.0% of the theoretical value or ±0.50 s
Value (Range)
-50...100°C
0.05...4.00 × In
0.0...200.0°C
60...60000 s
20.0...200.0°C
20.0...150.0°C
20.0...150.0°C
1...5
-50.0...100.0°C
Value
Depending on the frequency of the measured current: fn ±2 Hz
±1.5% of the set value or ±0.002 × In
±1.0% of the set value or ±20 ms
Typically 40 ms
<20 ms
Value (Range)
0.05...2.00 × In
0.05...2.00 × In
1 = Current
2 = Breaker status
3 = Both
1 = Off
2 = Without check
3 = Current check
0...60000 ms
0...60000 ms
0...60000 ms
1MRS758725
Step
1
0.01
0.1
1
0.1
0.1
0.1
1
0.1
Step
0.05
0.05
-
-
10
10
10
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