Siemens SIPROTEC 4 7VK61 - Change Group; Purpose of the Setting Groups

Addr. Parameter Setting Options Default Setting Comments
201 CT Starpoint towards Line
towards Busbar
towards Line CT Starpoint
203 Unom PRIMARY 1.0 .. 1200.0 kV 400.0 kV Rated Primary Voltage
204 Unom SECONDARY 80 .. 125 V 100 V Rated Secondary Voltage (Ph-Ph)
205 CT PRIMARY 10 .. 5000 A 1000 A CT Rated Primary Current
206 CT SECONDARY 1A
5A
1A CT Rated Secondary Current
207 SystemStarpoint Solid Earthed
Peterson-Coil
Isolated
Solid Earthed System Starpoint is
210 U4 transformer Not connected
Udelta transf.
Usy2 transf.
Ux transformer
Not connected U4 voltage transformer is
211 Uph / Udelta 0.10 .. 9.99 1.73 Matching ratio Phase-VT To Open-
Delta-VT
212 Usy2 connection L1-E
L2-E
L3-E
L1-L2
L2-L3
L3-L1
L1-L2 VT connection for Usy2
214A φ Usy2-Usy1 0 .. 360 ° 0 ° Angle adjustment Usy2-Usy1
215 Usy1/Usy2 ratio 0.50 .. 2.00 1.00 Matching ratio Usy1 / Usy2
220 I4 transformer Not connected
In prot. line
In prot. line I4 current transformer is
221 I4/Iph CT 0.010 .. 5.000 1.000 Matching ratio I4/Iph for CT's
230 Rated Frequency 50 Hz
60 Hz
50 Hz Rated Frequency
235 PHASE SEQ. L1 L2 L3
L1 L3 L2
L1 L2 L3 Phase Sequence
239 T-CB close 0.01 .. 0.60 sec 0.06 sec Closing (operating) time of CB
240A TMin TRIP CMD 0.02 .. 30.00 sec 0.10 sec Minimum TRIP Command Duration
241A TMax CLOSE CMD 0.01 .. 30.00 sec 0.10 sec Maximum Close Command Dura-
tion
242 T-CBtest-dead 0.00 .. 30.00 sec 0.10 sec Dead Time for CB test-autoreclo-
sure
Change Group
Purpose of the Setting Groups
Up to four different setting groups can be created for establishing the device's function settings. During opera-
tion, the user can locally switch between setting groups using the operator panel, binary inputs (if so config-
ured), the operator and service interface from a personal computer or via the system interface. For reasons of
safety, it is not possible to change between setting groups during a power system fault.
A setting group includes the setting values for all functions that have been selected during configuration as
Enabled or an other active option. In 7VK61devices, four independent setting groups (A to D) are available.
Whereas setting values and options may vary, the selected scope of functions is the same for all groups.
2.1.4
2.1.4.1
Functions
2.1 General
36 SIPROTEC 4, 7VK61, Manual
C53000-G1176-C159-5, Edition 05.2018