Siemens siprotec 7SA6 User Manual page 738

Appendix
Addr. Setting Title
3147 Add.T-DELAY
3148 3I0p Telep/BI
3149 3I0p SOTF-Trip
3150 3I0p InrushBlk
3151 IEC Curve
3152 ANSI Curve
3153 LOG Curve
3154 3I0p Startpoint
3160 POLARIZATION
3162A Dir. ALPHA
3163A Dir. BETA
3164 3U0>
3165 IY>
3166 3U2>
3167 3I2>
3170 2nd InrushRest
3171 Imax InrushRest
3172 SOTF Op. Mode
3173 SOTF Time DELAY Earth fault overcur-
3182 3U0>(U0 inv)
3183 U0inv. minimum
3184 T forw. (U0inv)
3185 T rev. (U0inv)
3201 FCT Telep. E/F
B-14
Function Setting Options
0.00..30.00 sec; ∞
Earth fault overcur-
rent
Earth fault overcur- NO
rent YES
Earth fault overcur- NO
rent YES
Earth fault overcur- NO
rent YES
Earth fault overcur- Normal Inverse
rent Very Inverse
Extremely Inverse
Long time inverse
Earth fault overcur- Inverse
rent Short Inverse
Long Inverse
Moderately Inverse
Very Inverse
Extremely Inverse
Definite Inverse
Earth fault overcur- Logarithmic inverse
rent
Earth fault overcur- 1.0..4.0
rent
Earth fault overcur- with U0 and IY (dual polar-
rent ized)
with IY (transformer star
point current)
with U2 and I2 (negative
sequence)
0..360 °
Earth fault overcur-
rent
0..360 °
Earth fault overcur-
rent
Earth fault overcur- 0.5..10.0 V
rent
Earth fault overcur- 0.05..1.00 A
rent
Earth fault overcur- 0.5..10.0 V
rent
Earth fault overcur- 0.05..1.00 A
rent
Earth fault overcur- 10..45 %
rent
Earth fault overcur- 0.50..25.00 A
rent
Earth fault overcur- with Pickup (non-directional)
rent with Pickup and direction
0.00..30.00 sec
rent
Earth fault overcur- 1.0..10.0 V
rent
Earth fault overcur- 0.1..5.0 V
rent
Earth fault overcur- 0.00..32.00 sec
rent
Earth fault overcur- 0.00..32.00 sec
rent
Teleprotection for ON
Earth fault overcurr. OFF
Default Setting
1.20 sec Additional Time Delay
NO Instantaneous trip via Teleprot./BI
NO Instantaneous trip after SwitchOnTo-
Fault
NO Inrush Blocking
Normal Inverse IEC Curve
Inverse ANSI Curve
Logarithmic inverse LOGARITHMIC Curve
1.1 Start point of inverse characteristic
with U0 and IY (dual polar- Polarization
ized)
338 °
ALPHA, lower angle for forward direc-
tion
122 °
BETA, upper angle for forward direc-
tion
0.5 V Min. zero seq.voltage 3U0 for polariz-
ing
0.05 A Min. earth current IY for polarizing
0.5 V Min. neg. seq. polarizing voltage 3U2
0.05 A Min. neg. seq. polarizing current 3I2
15 % 2nd harmonic ratio for inrush restraint
7.50 A Max.Current, overriding inrush
restraint
with Pickup and direction Instantaneous mode after Switch-
OnToFault
0.00 sec Trip time delay after SOTF
5.0 V 3U0> setpoint
0.2 V Minimum voltage U0min for T->oo
0.90 sec T-forward Time delay (U0inv)
1.20 sec T-reverse Time delay (U0inv)
ON Teleprotection for Earth Fault O/C
Comments