[logik-flexstz-100504-st, 1, en_US]
Figure 2-114
Logic diagram of the flexible protection functions
The parameters can be set to monitor either exceeding or dropping below of the threshold. The configurable
pickup time delay will be started once the threshold (>-element) has been exceeded. When the time delay has
elapsed and the threshold is still violated, the pickup of the phase (e.g. no. 235.2122
$00 pickup A
)and of
the function (no. 235.2121
$00 picked up
) is reported. If the pickup delay is set to zero, the pickup will
occur simultaneously with the detection of the threshold violation. If the function is enabled, the pickup will
start the trip time delay and the fault log. This is not the case if set to "Alarm only". If the threshold violation
persists after the trip time delay has elapsed, the trip will be initiated upon its expiration (no. 235.2126
$00
TRIP
). The timeout is reported via (no. 235.2125
$00 Time Out
). Expiry of the trip time delay can be
Functions
2.19 Flexible Protection Functions
272
SIPROTEC 4, 7SJ62/64, Manual
C53000-G1140-C207-8, Edition 08.2016
Summary of Contents for SIPROTEC 4
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