Siemens siprotec 7SA522 User Manual page 259

Addr. Setting Title
3163 Dir. BETA
3164 3U0>
3165 IY>
3166 3U2>
3167 3I2>
3170 2nd InrushRest
3171 Imax InrushRest
3172 SOTF Op. Mode
3173 SOTF Time
DELAY
7SA522 Manual
C53000-G1176-C119-2
Setting Options
0..360 °
0.5..10.0 V
0.05..1.00 A
0.5..10.0 V
0.05..1.00 A
10..45 %
0.50..25.00 A
with Pickup (non-directional)
with Pickup and direction
0.00..30.00 sec
The indicated secondary current values for setting ranges and default settings refer to
I = 1 A. For the nominal current 5 A these values are to be multiplied by 5.
N
Default Setting
122 °
BETA, upper angle for forward
direction
0.5 V Min. zero seq.voltage 3U0 for
polarizing
0.05 A Min. earth current IY for polari-
zing
0.5 V Min. neg. seq. polarizing
voltage 3U2
0.05 A Min. neg. seq. polarizing cur-
rent 3I2
15 % 2nd harmonic ratio for inrush
restraint
7.50 A Max.Current, overriding inrush
restraint
with Pickup and Instantaneous mode after
direction SwitchOnToFault
0.00 sec Trip time delay after SOTF
Functions
Comments
6-111