33
—
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
—
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
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