ABB REM615 ANSI 5.0 FP1 - Page 33

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
Characteristic 
Operation accuracy
Depending on the frequency of the measured current: f
n

n
Start time

Minimum Typical Maximum
U
Fault

U
Fault







Reset time 
Reset ratio 
Retardation time 
Operate time accuracy in definite time mode 
Suppression of harmonics 
n


n
, f
n
= 50 Hz, negative-sequence overvoltage with nominal frequency injected from random phase angle, results based on statistical
distribution of 1000 measurements
2 Includes the delay of the signal output contact
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
Parameter Function  Step
Start value
NSPTOV 
n

Operate delay time
NSPTOV  
—

Characteristic 
Operation accuracy
 



Start time

 
 
Reset time 
Operate time accuracy 
—

Parameter Function  Step
Operation mode FRPFRQ







-
Start value Freq> FRPFRQ 
n

Start value Freq< FRPFRQ 
n

 FRPFRQ 
n
 
Operate Tm Freq FRPFRQ  
 FRPFRQ  