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Table 2.32-4 Section notation when a fault arises
A fault arises from the local
terminal to a junction.
A fault arises from a junction to
remote end #1.
A fault arises from a junction to
remote end #2.
A fault arises near a junction.
1
Note: Section notation and correspondent settings are relevant to communication ports.
For detail, section 2.32.5(i).
2
Note: User can find the setting means in section 2.32.6(iii).
(iv) Detail information
As shown in Figure 2.32-7 (shaded portion d), the detail information is displayed along
with the fault determination, which is simplified with notations, Table 2.32-5 summarizes the
notations of fault determination.
Table 2.32-5 Notation of fault information for screen
Fault location is assumed over the boundary.In the case of
three-terminal application, the boundary means the sum
of the two line length.
Fault location is assumed over the junction;
this information is applied only for the
FL calculation with
data at a local-terminal only
. If the results of the
FL
calculation with data at a local-terminal and remote-
terminals
assumed over the junction, the section notation
will appear instead like “Sec.1” or “Sec.2”.
Since a number of calculation results are scattered, the FL
chooses one of the result value in order that the scattering
turns to be small.
Communication failures are risen while data recording;
hence the
FL calculation with data at a local-terminal
only
is brought for the fault determination. Note that the
result of the calculation decays.
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