ABB REF615 ANSI 5.0 FP1 Product Manual page 55

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Table 83. Multifrequency admittance-based earth-fault protection (MFADPSDE)
Characteristic
Operation accuracy
Start time
1)
Reset time
Operate time accuracy
1) Includes the delay of the signal output contact, results based on statistical distribution of 1000 measurements
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Table 84. Multifrequency admittance-based earth-fault protection (MFADPSDE) main settings
Parameter
Directional mode
Voltage start value
Operate delay time
Operating quantity
Min operate current
Operation mode
Peak counter limit
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Table 85. Operation characteristics
Characteristic
Operating curve type
Operating curve type (voltage protection)
Function
MFADPSDE
MFADPSDE
MFADPSDE
MFADPSDE
MFADPSDE
MFADPSDE
MFADPSDE
Value
Depending on the frequency of the measured voltage:
f ±2 Hz
n
±1.5% of the set value or ±0.002 × U
Typically 35 ms
Typically 40 ms
±1.0% of the set value of ±20 ms
Value (range)
2 = Forward
3 = Reverse
0.01...1.00 × U
n
60...1200000
1 = Adaptive
2 = Amplitude
0.005...5.000 × I
n
1 = Intermittent EF
3 = General EF
4 = Alarming EF
2...20
Value (range)
1 = ANSI Ext. inv.
2 = ANSI Very. inv.
3 = ANSI Norm. inv.
4 = ANSI Mod inv.
5 = ANSI Def. Time
6 = L.T.E. inv.
7 = L.T.V. inv.
8 = L.T. inv.
9 = IEC Norm. inv.
10 = IEC Very inv.
11 = IEC inv.
12 = IEC Ext. inv.
13 = IEC S.T. inv.
14 = IEC L.T. inv
15 = IEC Def. Time
17 = Programmable
18 = RI type
19 = RD type
5 = ANSI Def. Time
15 = IEC Def. Time
17 = Inv. Curve A
18 = Inv. Curve B
19 = Inv. Curve C
20 = Programmable
21 = Inv. Curve A
22 = Inv. Curve B
23 = Programmable
n
Step
-
0.01
10
-
0.001
-
1
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