Current Reversal And Weak-End Infeed Logic (Crwpsch); Current Reversal And Weak-End Infeed Logic (Crwpsch) Main Settings; Communication Logic For Residual Overcurrent (Rescpsch); Communication Logic For Residual Overcurrent (Rescpsch) Main Settings - ABB REX640 Product Manual
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Also See for REX640:
- Technical manual (1960 pages) ,
- Operation manual (164 pages) ,
- Engineering manual (156 pages)
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REX640
Product version: 1
Table 41. Current reversal and weak-end infeed logic (CRWPSCH)
Characteristic
Operation accuracy
Operate time accuracy
Table 42. Current reversal and weak-end infeed logic (CRWPSCH) main settings
Parameter
Reversal mode
Wei mode
PhV level for Wei
PPV level for Wei
Reversal time
Reversal reset time
Wei Crd time
Table 43. Communication logic for residual overcurrent (RESCPSCH)
Characteristic
Operate time accuracy
Table 44. Communication logic for residual overcurrent (RESCPSCH) main settings
Parameter
Scheme type
Carrier Min Dur
Coordination time
Table 45. Current reversal and weak-end infeed logic for residual overcurrent (RCRWPSCH)
Characteristic
Operation accuracy
Operate time accuracy
ABB
Function
CRWPSCH
CRWPSCH
CRWPSCH
CRWPSCH
CRWPSCH
CRWPSCH
CRWPSCH
Function
RESCPSCH
RESCPSCH
RESCPSCH
Value
At the frequency f = f
n
±1.5% of the set value or ±0.002 × U
±1.0% of the set value or ±20 ms
Value (Range)
1 = Off
2 = On
1 = Off
3 = Echo
4 = Echo and Operate
0.10...0.90 × U
n
0.10...0.90 × U
n
0...60000 ms
0...60000 ms
0...60000 ms
Value
±1.0% of the set value or ±20 ms
Value (Range)
1 = None
2 = Intertrip
3 = Permissive Underreach
4 = Permissive Overreach
5 = Blocking
0...60000 ms
0...60000 ms
Value
At the frequency f = f
n
±1.5% of the set value or ±0.002 × I
±1.0% of the set value or ±20 ms
1MRS759144 A
n
Step
-
-
0.01
0.01
10
10
10
Step
-
1
1
n
41
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