Fault Locator - Siemens SIPROTEC 4 Manual

Technical Data

4.18 Fault Locator

4.18 Fault Locator
Units of Distance Measurement
Trigger
Reactance Setting (secondary)
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
1) Homogeneous lines or correctly configured line sections are assumed when the fault distance is given in km,
miles or %.
404
in Ω primary and secondary
in km or miles line
length or in % of line length
trip command,
Dropout of an Element, or
External command via binary input
for Ι = 1 A 0.0050 to 9.5000 Ω/km
Nom
0.0050 to 15.0000 Ω/Meile
for Ι = 5 A 0.0010 to 1.9000 Ω/km
Nom
0.0010 to 3.0000 Ω/Meile
2,0 % fault location (without intermediate infeed)
30° ≤ φ
K
1)
Increments
0.0001
Increments
0.0001
Increments
0.0001
Increments
0.0001
≤ 90° and V /V ≥ 0.1 and Ι
K Nom
SIPROTEC 4, 7SJ80, Manual
E50417-G1140-C343-A8, Edition 12.2017
/Ι ≥ 1.0
K Nom