Fault Locator - Siemens SIPROTEC 7SJ62 Manual

4.19

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 %.
SIPROTEC, 7SJ62/64, Manual
C53000-G1140-C207-2, Release date 01.2008
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
= 1 A 0.0050 to 9.5000 Ω/km
for I
Nom
0.0050 to 15.0000 Ω/mile
= 5 A 0.0010 to 1.9000 Ω/km
for I
Nom
0.0010 to 3.0000 Ω/mile
2.5% fault location (without intermediate infeed)
30° ≤ ϕ ≤ 90° and V
K
Technical Data
4.19 Fault Locator
1)
Increments 0.0001
Increments 0.0001
Increments 0.0001
Increments 0.0001
≥ 0.1 and I ≥ 1.0
/V /I
K Nom K Nom
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