Siemens 7SJ85 - Page 1067

Addr. Parameter C Setting Options Default Setting
Operate curve
_:11041:3 I-DIFF:Threshold 0.05 I/IrObj to 2.00 I/IrObj 0.20 I/IrObj
_:11041:100 I-DIFF:Slope 1 0.00 to 0.80 0.30
_:11041:101 I-DIFF:Intersection 1 Irest 0.00 I/IrObj to 5.00 I/IrObj 0.67 I/IrObj
_:11041:102 I-DIFF:Slope 2 0.25 to 0.95 0.70
_:11041:103 I-DIFF:Intersection 2 Irest 1.00 I/IrObj to 20.00 I/IrObj 2.50 I/IrObj
Starting detection
_:11041:106 I-DIFF:Starting detection
•
no
•
yes
no
_:11041:107 I-DIFF:Thresh. startup
detection
0.1 I/IrObj to 2.0 I/IrObj 0.1 I/IrObj
_:11041:108 I-DIFF:Factor increasing
char.
1.0 to 5.0 2.0
_:11041:109 I-DIFF:Max. perm. Start.
time
0.1 s to 180.0 s 5.0 s
DC offset detection
_:11041:110 I-DIFF:Factor increasing
char. DC
1.0 to 5.0 2.3
Inrush blocking
_:11041:115 I-DIFF:Blocking with 2.
harmonic
•
no
•
yes
no
_:11041:116 I-DIFF:2nd harmonic
content
10% to 45% 15%
_:11041:117 I-DIFF:Crossblock. time
2nd har.
0.00 s to 200.00 s; ∞ 0.00 s
Ext. fault detection
_:11041:128 I-DIFF:Threshold add-on
stabiliz.
1.00 I/IrObj to 20.00 I/IrObj 2.00 I/IrObj
_:11041:129 I-DIFF:Time of add-on
stabiliz.
0.00 s to 5.00 s; ∞ 0.30 s
_:11041:130 I-DIFF:Crossblk. time
add-on st.
0.00 s to 2.00 s; ∞ 0.30 s
I-DIFF fast
_:11071:1 I-DIFF fast:Mode
•
off
•
on
•
test
off
_:11071:3 I-DIFF fast:Threshold 0.5 I/IrObj to 35.0 I/IrObj 7.5 I/IrObj
_:11071:6 I-DIFF fast:Operate delay 0.00 s to 60.00 s 0.00 s
_:11071:100 I-DIFF fast:Operate &
flt.rec. blocked
•
no
•
yes
no
I-DIFF unrestr
_:1 I-DIFF unrestr:Mode
•
off
•
on
•
test
off
_:3 I-DIFF unrestr:Threshold 0.5 I/IrObj to 35.0 I/IrObj 10.0 I/IrObj
_:6 I-DIFF unrestr:Operate
delay
0.00 s to 60.00 s 0.00 s
_:100 I-DIFF unrestr:Operate &
flt.rec. blocked
•
no
•
yes
no
Capacitor Bank Protection
7.8 Differential Protection for Capacitor Banks
SIPROTEC 5, Overcurrent Protection, Manual 1067
C53000-G5040-C017-8, Edition 07.2017