Table 36. Distance protection (DSTPDIS) main settings, continued
Parameter
Function
Value (Range)
Step
R0 zone 5
DSTPDIS
0.00...3000.00 Ω
0.01
X0 zone 5
DSTPDIS
0.00...3000.00 Ω
0.01
Factor K0 zone 5
DSTPDIS
0.0...4.0
0.1
Factor K0 angle Zn5
DSTPDIS
-135...135°
1
Gnd operate Dl Zn5
DSTPDIS
20...60000 ms
1
Select active zones
DSTPDIS
1 = Zone 1
2 = Zones 1-2
3 = Zones 1-3
4 = Zones 1-4
5 = All 5 zones
-
Table 37. Local acceleration logic (DSTPLAL)
Characteristic
Value
Operation accuracy
At the frequency f = f
n
±1.5% of the set value or ±0.002 × I
n
Operate time accuracy
±1.0% of the set value or ±20 ms
Suppression of harmonics
DFT: -50 dB at f = n × f
n
, where n = 2, 3, 4, 5,…
Table 38. Local acceleration logic (DSTPLAL) main settings
Parameter
Function
Value (Range)
Step
Load current value
DSTPLAL
0.01...1.00 × I
n
0.01
Minimum current
DSTPLAL
0.01...1.00 × I
n
0.01
Load release off Tm
DSTPLAL
0...60000 ms
10
Minimum current time
DSTPLAL
0...60000 ms
10
Operation mode
DSTPLAL
1 = Zone extension
2 = Loss of load
3 = Both
-
Load release on time
DSTPLAL
0...60000 ms
10
Table 39. Scheme communication logic (DSOCPSCH)
Characteristic
Value
Operate time accuracy
±1.0% of the set value or ±20 ms
Table 40. Scheme communication logic (DSOCPSCH) main settings
Parameter
Function
Value (Range)
Step
Scheme type
DSOCPSCH
1 = None
2 = Intertrip
3 = Permissive Underreach
4 = Permissive Overreach
5 = Blocking
-
Carrier Min Dur
DSOCPSCH
0...60000 ms
1
Coordination Time
DSOCPSCH
0...60000 ms
1
1MRS759144 A
REX640
Product version: 1
40
ABB
Summary of Contents for RELION REX640
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