Siemens siprotec 7SA6, Manual

Page: 325 / 876

Functions
6-135
7SA6 Manual
C53000-G1176-C156-2
6.7.3 Settings
Note: The indicated secondary current values for setting ranges and default settings
refer to I
N
= 1 A. For the nominal current 5 A the current values are to be multiplied
by 5.
Addresses which have an „A“ attached to its end can only be changed with DIGSI
®
4
in “Additional Settings“.
Addr. Setting Title Setting Options Default Setting Comments
3101 FCT EarthFltO/C ON
OFF ON Earth Fault overcurrent function
is
3102 BLOCK for Dist. with every Pickup
with single-phase Pickup
with multi-phase Pickup
NO with every Pickup Block E/F for Distance protection
3103 BLOCK 1pDeadTim YES
NO YES Block E/F for 1pole Dead time
3104A Iph-STAB. Slope 0..30 % 10 % Stabilisation Slope with Iphase
3105 3IoMin Teleprot 0.01..1.00 A 0.50 A 3Io-Min threshold for Teleprot.
schemes
3105 3IoMin Teleprot 0.003..1.000 A 0.500 A 3Io-Min threshold for Teleprot.
schemes
3170 2nd InrushRest 10..45 % 15 % 2nd harmonic ratio for inrush
restraint
3171 Imax InrushRest 0.50..25.00 A 7.50 A Max.Current, overriding inrush
restraint
3172 SOTF Op. Mode with Pickup (non-directional)
with Pickup and direction with Pickup and
direction Instantaneous mode after Swit-
chOnToFault
3173 SOTF Time DELAY 0.00..30.00 sec 0.00 sec Trip time delay after SOTF
3110 Op. mode 3I0>>> Forward
Reverse
Non-Directional
Inactive Inactive Operating mode
3111 3I0>>> 0.50..25.00 A 4.00 A 3I0>>> Pickup
3112 T 3I0>>> 0.00..30.00 sec;
∞
0.30 sec T 3I0>>> Time delay
3113 3I0>>> Telep/BI NO
YES NO Instantaneous trip via Teleprot./
BI
3114 3I0>>>SOTF-Trip NO
YES NO Instantaneous trip after Swit-
chOnToFault
3115 3I0>>>InrushBlk NO
YES NO Inrush Blocking
3120 Op. mode 3I0>> Forward
Reverse
Non-Directional
Inactive Inactive Operating mode
3121 3I0>> 0.20..25.00 A 2.00 A 3I0>> Pickup
3122 T 3I0>> 0.00..30.00 sec;
∞
0.60 sec T 3I0>> Time Delay