Fault Locator
Units of Distance Measurement in Ω primary and secondary
in km or miles line
length or in % of line length
1)
Trigger trip command,
Dropout of an Element, or
External command via binary input
Reactance Setting (secondary)
for Ι
Nom
= 1 A
0.0050 to 9.5000 Ω/km Increments
0.0001
0.0050 to 15.0000 Ω/Meile Increments
0.0001
for Ι
Nom
= 5 A
0.0010 to 1.9000 Ω/km Increments
0.0001
0.0010 to 3.0000 Ω/Meile Increments
0.0001
For the remaining parameters refer to the Power System Data 2.
When configuring mixed lines, the reactance value must be set for each line section (A1 to A3).
Measurement Tolerance acc. to VDE 0435, Part 303 for
Sinusoidal Measurement Quantities
2,0 % fault location (without intermediate infeed)
30° ≤ φ
K
≤ 90° and V
K
/V
Nom
≥ 0.1 and Ι
K
/Ι
Nom
≥ 1.0
1)
Homogeneous lines or correctly configured line sections are assumed when the fault distance is given in km,
miles or %.
4.21
Technical Data
4.21 Fault Locator
496 SIPROTEC 4, 7SJ62/64, Manual
C53000-G1140-C207-8, Edition 08.2016
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