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Functions
6.3.3
Settings
Addr.
Setting Title
2002
P/S Op. mode
2006
PowerSwing trip
6.3.4
Information Overview
F.No.
Alarm
4164
Power Swing
4166
Pow. Swing TRIP
4167
Pow. Swing L1
4168
Pow. Swing L2
4169
Pow. Swing L3
6-74
The four possible programs may be set in address 36 2S PRGH, as described
in Sub-section 6.3.1: $OO ]RQHV EORFN or ==% EORFN or = WR = EORFN
or ==%= EORFN.
Additionally the tripping function for unstable oscillations (out-of-step condition, loss of
system synchronism) can be set with parameter 3RZHU6ZLQJ WULS (address ),
which should be set to <HV if required (presetting is 1R). In the event of power swing
tripping it is sensible to set 36 2S PRGH = $OO ]RQHV EORFN for the power swing
blocking, to avoid premature tripping by the distance protection.
Function
Power Swing
Power Swing
Power Swing detected
Power Swing TRIP command
Power Swing detected in L1
Power Swing detected in L2
Power Swing detected in L3
Setting Options
all zones blocked
all zones blocked
Z1/Z1B blocked
Z2 to Z5 blocked
Z1,Z1B,Z2 blocked
NO
NO
YES
Comments
Default Setting
7SA6 Manual
C53000-G1176-C133-1
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