46 REF615 ANSI 5.0 FP1 FEEDER PROTECTION AND CONTROL
—
Table 41. Wattmetric-based earth-fault protection (WPWDE) main settings
Parameter Function Value (range) Step
Directional mode WPWDE
-
Current start value
WPWDE
n
Voltage start value WPWDE
n
0.001
Power start value WPWDE
n
Reference power WPWDE
n
Characteristic angle WPWDE
Time multiplier WPWDE
Operating curve type
WPWDE
Definite or inverse time
Operate delay time
WPWDE
Min operate current
WPWDE
n
Min operate voltage
WPWDE
n
—
Table 42. Transient/intermittent earth-fault protection (INTRPTEF)
Characteristic Value
Operation accuracy
Depending on the frequency of the measured current: f
n
Operate time accuracy
Suppression of harmonics
—
Table 43. Transient/intermittent earth-fault protection (INTRPTEF) main settings
Parameter Function Value (range) Step
Directional mode INTRPTEF
-
Operate delay time
INTRPTEF
Voltage start value INTRPTEF
n
Operation mode INTRPTEF
-
Peak counter limit INTRPTEF
Min operate current INTRPTEF
n
—
Table 44. Harmonics-based earth-fault protection (HAEFPTOC)
Characteristic Value
Operation accuracy
Depending on the frequency of the measured current: f
n
n
Start time
Reset time
Reset ratio
Operate time accuracy in definite time mode
Operate time accuracy in IDMT mode
Suppression of harmonics
n
n
-
surements
2) Includes the delay of the signal output contact
n
, Start value multiples in range of 2...20
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