Settings - Siemens siprotec 7SA522 User Manual

Functions
6.1.1.1

Settings

Addr. Setting Title
201 CT Starpoint
203 Unom PRIMARY
204 Unom SECON-
DARY
205 CT PRIMARY
206 CT SECONDARY
210 U4 transformer
211 Uph / Udelta
212 Usync connect.
ϕ Usync-Uline
214
215 U-line / Usync
220 I4 transformer
221 I4/Iph CT
230 Rated Frequency
235 PHASE SEQ.
236 Distance Unit
237 Format Z0/Z1
239 T-CB close
240 TMin TRIP CMD
241 TMax CLOSE CMD
6-12
Setting Options
towards Line
towards Busbar
1.0..1200.0 kV
80..125 V
10..5000 A
1A
5A
not connected
Udelta transformer
Usync transformer
Ux reference transformer
0.10..9.99
L1-E
L2-E
L3-E
L1-L2
L2-L3
L3-L1
0..360 °
0.80..1.20
not connected
Neutral Current (of the pro-
tected line)
Neutral Current of the paral-
lel line
Starpoint Curr. of earthed
power transf.
0.010..5.000
50 Hz
60 Hz
L1 L2 L3
L1 L3 L2
km
Miles
Zero seq. comp. factors RE/
RL and XE/XL
Zero seq. comp. factor K0
and angle(K0)
0.01..0.60 sec
0.02..30.00 sec
0.01..30.00 sec
Default Setting
towards Line CT Starpoint
400.0 kV Rated Primary Voltage
100 V Rated Secondary Voltage (L-L)
1000 A CT Rated Primary Current
1A CT Rated Secondary Current
not connected U4 voltage transformer is
1.73 Matching ratio Phase-VT To
Open-Delta-VT
L1-L2 VT connection for sync. voltage
0 °
Angle adjustment Usync-Uline
1.00 Matching ratio U-line / Usync
Neutral Current (of I4 current transformer is
the protected line)
1.000 Matching ratio I4/Iph for CT's
50 Hz Rated Frequency
L1 L2 L3 Phase Sequence
km Distance measurement unit
Zero seq. comp. Setting format for zero
factors RE/RL and seq.comp. format
XE/XL
0.06 sec Closing (operating) time of CB
0.10 sec Minimum TRIP Command Dura-
tion
0.10 sec Maximum Close Command
Duration
Comments
7SA522 Manual
C53000-G1176-C119-2