Siemens SIPROTEC 7SA522 Manual page 526

Distance protection
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A Appendix
Limit Value
Handling (Set
Points)
Figure A-25
Set point configuration with blocks of priority class Processing of Measured Values (MW_BEARB)
526
On two worksheets a set point supervision of the sum of power factor |cosϕ| < and in
the maximum functional scope additional set point supervisions of currents (demand
meter of phase currents and positive-sequence component) and supervisions of
power (apparent power, active power and reactive power) are created with blocks of
level "Processing of Measured Values".
A drop-out ratio of 0.95, or at least 0.5 % applies for each drop.
7SA522 Manual
C53000-G1176-C155-3

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