22 RER620 ADVANCED RECLOSER PROTECTION & CONTROL
Protection functions
—
Description Value
Depending on the frequency of the current measured: f
n
Operation accuracy
n
and
n
n
)
n
)
Pickup time
Minimum Typical Maximum
I
Fault
I
Fault
I
Fault
Reset time
Reset ratio
Retardation time
Trip time accuracy in definite time mode
Trip time accuracy in inverse time mode
Suppression of harmonics
n x f
n
Peak-to-Peak: No suppression
P-to-P+backup: No suppression
1)
n
, f
n
one phase 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
3)
n
, Pickup range multiples in range of 1.5 to 20
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