48 REF615 ANSI 5.0 FP1 FEEDER PROTECTION AND CONTROL
—
Table 50. Phase discontinuity protection (PDNSPTOC) main settings
Parameter Function Value (range) Step
Start value
PDNSPTOC
Operate delay time
PDNSPTOC
Min phase current
PDNSPTOC
—
Table 51. Residual overvoltage protection (ROVPTOV)
Characteristic Value
Operation accuracy
Depending on the frequency of the measured current: f
n
n
Start time
Minimum Typical Maximum
U
Fault
Reset time
Reset ratio
Retardation time
Operate time accuracy in definite time mode
Suppression of harmonics
n
n
, f
n
= 50 Hz, residual voltage 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
—
Table 52. Residual overvoltage protection (ROVPTOV) main settings
Parameter Function Value (range) Step
Start value
ROVPTOV
n
Operate delay time
ROVPTOV
—
Table 49. Phase discontinuity protection (PDNSPTOC)
Characteristic Value
Operation accuracy
Depending on the frequency of the measured current: f
n
Start time
Reset time
Reset ratio
Retardation time
Operate time accuracy in definite time mode
Suppression of harmonics
To Next Page
Loading...
