Siemens SIPROTEC 4 7VK61 - Page 297

Addr. Parameter Function C Setting Options Default Setting Comments
201 CT Starpoint P.System Data
1
towards Line
towards Busbar
towards Line CT Starpoint
203 Unom PRIMARY P.System Data
1
1.0 .. 1200.0 kV 400.0 kV Rated Primary Voltage
204 Unom SECONDARY P.System Data
1
80 .. 125 V 100 V Rated Secondary Voltage
(Ph-Ph)
205 CT PRIMARY P.System Data
1
10 .. 5000 A 1000 A CT Rated Primary Current
206 CT SECONDARY P.System Data
1
1A
5A
1A CT Rated Secondary
Current
207 SystemStarpoint P.System Data
1
Solid Earthed
Peterson-Coil
Isolated
Solid Earthed System Starpoint is
210 U4 transformer P.System Data
1
Not connected
Udelta transf.
Usy2 transf.
Ux transformer
Not connected U4 voltage transformer is
211 Uph / Udelta P.System Data
1
0.10 .. 9.99 1.73 Matching ratio Phase-VT
To Open-Delta-VT
212 Usy2 connection P.System Data
1
L1-E
L2-E
L3-E
L1-L2
L2-L3
L3-L1
L1-L2 VT connection for Usy2
214A φ Usy2-Usy1 P.System Data
1
0 .. 360 ° 0 ° Angle adjustment Usy2-
Usy1
215 Usy1/Usy2 ratio P.System Data
1
0.50 .. 2.00 1.00 Matching ratio Usy1/Usy2
220 I4 transformer P.System Data
1
Not connected
In prot. line
In prot. line I4 current transformer is
221 I4/Iph CT P.System Data
1
0.010 .. 5.000 1.000 Matching ratio I4/Iph for
CT's
230 Rated Frequency P.System Data
1
50 Hz
60 Hz
50 Hz Nominal Frequency
235 PHASE SEQ. P.System Data
1
L1 L2 L3
L1 L3 L2
L1 L2 L3 Phase Sequence
239 T-CB close P.System Data
1
0.01 .. 0.60 sec 0.06 sec Closing (operating) time
of CB
240A TMin TRIP CMD P.System Data
1
0.02 .. 30.00 sec 0.10 sec Minimum TRIP Command
Duration
241A TMax CLOSE CMD P.System Data
1
0.01 .. 30.00 sec 0.10 sec Maximum Close
Command Duration
242 T-CBtest-dead P.System Data
1
0.00 .. 30.00 sec 0.10 sec CB test: Dead time
Functions, Settings, Information
E.2 Settings
SIPROTEC 4, 7VK61, Manual 297
C53000-G1176-C159-5, Edition 05.2018