Characteristic Curve
The function's characteristic curve is always “definite time”; this means that the time delay is not affected by
the measured quantity.
Function Logic
The following figure shows the logic diagram of a three-phase function. If the function operates on one phase
or without phase reference, phase selectivity and phase-specific indications are not relevant.
[logik-flexstz-100504-st, 1, en_US]
Figure 2-102
Logic diagram of the flexible protection functions
Functions
2.18 Flexible Protection Functions
244 SIPROTEC 4, 7SJ80, Manual
E50417-G1140-C343-A8, Edition 12.2017
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