Power Swing Detection (With Impedance Pickup) (Optional) - Siemens SIPROTEC Manual

Technical Data

4.7 Power Swing Detection (with impedance pickup) (optional)

4.7 Power Swing Detection (with impedance pickup) (optional)
Power swing detection
Maximum power swing frequency
Power swing blocking programs
Power swing trip
596
Rate of change of the impedance phasor
and observation of the impedance trajectory
Approx. 10 Hz
Blocking of Z1 and Z1B
Blocking of Z2 and higher zones
Blocking of Z1 and Z2
Block all zones
Trip following instable power swings
(out-of-step)
C53000-G1176-C169-5, Release date 02.2011
SIPROTEC, 7SD5, Manual