31
Condition monitoring functions
—
Characteristic Value
Current measuring accuracy
n
n
)
n
)
Operate time accuracy
Travelling time measurement
—
Characteristic Value
Trip time
NPS function: V
Fault
voltage Lev
V
Fault
voltage Lev
Delta function:
1)
Includes the delay of the signal output contact, f
n
-
dom phase angle, results based on statistical distribution of 1000 measurements
1)
-
jected from random phase angle, results based on statistical distribution of 1000 measurements
2)
Includes the delay of the signal output contact
—
Characteristic Value
Operation accuracy
Depending on the frequency of the current measured: f
n
n
Pickup time
V
Fault
Minimum Typical Maximum
Reset time
Reset ratio
Retardation time
Trip time accuracy in definite time mode
Suppression of harmonics
n
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