[7sj62-64-svs-20081110, 1, en_US]
Figure 2-111
Logic diagram of the breaker failure protection
Setting Notes
General
Breaker failure protection is only effective and accessible if address 170
50BF
is set to
Enabled
or
enabled
w/ 3I0>
. Setting
Enabled
considers the three phase currents for total current monitoring. Setting
enabled
w/ 3I0>
additionally evaluates the ground current or the negative sequence system when only one phase
current occurs.
If this function is not required, then
Disabled
is set. The function can be set to
ON
or
OFF
under address
7001
FCT 50BF
.
2.18.2
Functions
2.18 Breaker Failure Protection 50BF
266
SIPROTEC 4, 7SJ62/64, Manual
C53000-G1140-C207-8, Edition 08.2016
Summary of Contents for SIPROTEC 4
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