54 REF615 ANSI 5.0 FP1 FEEDER PROTECTION AND CONTROL
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Table 78. Fault locator (SCEFRFLO) main settings
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Table 79. High-impedance fault detection (PHIZ) main settings
Parameter Function Value (range) Step
Z Max phase load SCEFRFLO
Ph leakage Ris SCEFRFLO
Ph capacitive React SCEFRFLO
SCEFRFLO
SCEFRFLO
SCEFRFLO
SCEFRFLO
Line Len section A SCEFRFLO
Parameter Function Value (range) Step
Security Level PHIZ
System type PHIZ
-
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Table 80. Reverse power/directional overpower protection (DOPPDPR)
Characteristic Value
Operation accuracy
Depending on the frequency of the measured current and voltage:
f = f
n
Start time
Reset time
Reset ratio
Operate time accuracy
Suppression of harmonics
n
1) Measurement mode = “Pos Seq” (default)
2) U = U
n
, f
n
= 50 Hz, results based on statistical distribution of 1000 measurements
3) Includes the delay of the signal output contact
—
Table 81. Reverse power/directional overpower protection (DOPPDPR) main settings
Parameter Function Value (range) Step
Start value DOPPDPR
n
Operate delay time DOPPDPR
Directional mode DOPPDPR
-
Power angle DOPPDPR
—
Table 82. Underpower protection (DUPPDPR)
Characteristic Value
Operation accuracy
Depending on the frequency of the measured current and voltage:
f
n
Start time
Reset time
Reset ratio
Operate time accuracy
Suppression of harmonics
n
1) Measurement mode = “Pos Seq” (default)
2) V = V
n
, f
n
= 50 Hz, results based on statistical distribution of 1000 measurements
3) Includes the delay of the signal output contact
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