Siemens SIPROTEC User Manual

Functions
2.8 Earth Fault Protection in Earthed Systems (optional)
SIPROTEC, 7SD5, Manual
C53000-G1176-C169-5, Release date 02.2011
246
3137 Trip 1p 3I0> YES
NO
YES Single pole trip with 3I0>
3140 Op. mode 3I0p Forward
Reverse
Non-Directional
Inactive
Inactive Operating mode
3141 3I0p PICKUP 1A 0.05 .. 25.00 A 1.00 A 3I0p Pickup
5A 0.25 .. 125.00 A 5.00 A
3141 3I0p PICKUP 1A 0.003 .. 25.000 A 1.000 A 3I0p Pickup
5A 0.015 .. 125.000 A 5.000 A
3142 3I0p MinT-DELAY 0.00 .. 30.00 sec 1.20 sec 3I0p Minimum Time Delay
3143 3I0p Time Dial 0.05 .. 3.00 sec; ∞ 0.50 sec 3I0p Time Dial
3144 3I0p Time Dial 0.50 .. 15.00 ; ∞ 5.00 3I0p Time Dial
3145 3I0p Time Dial 0.05 .. 15.00 sec; ∞ 1.35 sec 3I0p Time Dial
3146 3I0p MaxT-DELAY 0.00 .. 30.00 sec 5.80 sec 3I0p Maximum Time Delay
3147 Add.T-DELAY 0.00 .. 30.00 sec; ∞ 1.20 sec Additional Time Delay
3148 3I0p Telep/BI NO
YES
NO Instantaneous trip via Tele-
prot./BI
3149 3I0p SOTF-Trip NO
YES
NO Instantaneous trip after
SwitchOnToFault
3150 3I0p InrushBlk NO
YES
NO Inrush Blocking
3151 IEC Curve Normal Inverse
Very Inverse
Extremely Inv.
LongTimeInverse
Normal Inverse IEC Curve
3152 ANSI Curve Inverse
Short Inverse
Long Inverse
Moderately Inv.
Very Inverse
Extremely Inv.
Definite Inv.
Inverse ANSI Curve
3153 LOG Curve Log. inverse Log. inverse LOGARITHMIC Curve
3154 3I0p Startpoint 1.0 .. 4.0 1.1 Start point of inverse char-
acteristic
3155 k 0.00 .. 3.00 sec 0.50 sec k-factor for Sr-characteris-
tic
3156 S ref 1A 1 .. 100 VA 10 VA S ref for Sr-characteristic
5A 5 .. 500 VA 50 VA
3157 BLK /1p 3I0p YES
No (non-dir.)
YES Block 3I0p during 1pole
dead time
3158 Trip 1p 3I0p YES
NO
YES Single pole trip with 3I0p
Addr. Parameter C Setting Options Default Setting Comments

Siemens SIPROTEC Specifications

General

Brand	Siemens
Model	SIPROTEC
Category	Protection Device
Language	English