Siemens siprotec 7SA522 User Manual page 584

Appendix
Addr. Setting Title
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
3162 Dir. ALPHA
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 Earth fault overcur-
3201 FCT Telep. E/F
3202 Line Config.
3203 Send Prolong.
3207 Delay for alarm
3208 Release Delay
3209 TrBlk Wait Time
B-12
Function Setting Options
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
Teleprotection for ON
Earth fault overcurr. OFF
Teleprotection for Two Terminals
Earth fault overcurr. Three Terminals
Teleprotection for 0.00..30.00 sec
Earth fault overcurr.
Teleprotection for 0.00..30.00 sec
Earth fault overcurr.
Teleprotection for 0.000..30.000 sec
Earth fault overcurr.
Teleprotection for 0.00..30.00 sec
Earth fault overcurr.
Default Setting
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
ON Teleprotection for Earth Fault O/C
Two Terminals Line Configuration
0.05 sec Time for send signal prolongation
10.00 sec Unblocking: Time Delay for Alarm
0.000 sec Time Delay for release after pickup
0.04 sec Transient Block.: Duration external flt.
Comments