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ABB REF615 ANSI 5.0 FP1 - Page 55

ABB REF615 ANSI 5.0 FP1
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55
Table 84. Multifrequency admittance-based earth-fault protection (MFADPSDE) main settings
Parameter Function Value (range) Step
Directional mode MFADPSDE


-
Voltage start value MFADPSDE 
n

Operate delay time MFADPSDE  
Operating quantity MFADPSDE


-
Min operate current MFADPSDE 
n

Operation mode MFADPSDE



-
Peak counter limit MFADPSDE 
Table 85. Operation characteristics
Characteristic Value (range)
Operating curve type


















Operating curve type (voltage protection)









Table 83. Multifrequency admittance-based earth-fault protection (MFADPSDE)
Characteristic Value
Operation accuracy
Depending on the frequency of the measured voltage:
f
n


n
Start time


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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