Siemens SIPROTEC User Manual

Appendix
A.7 Settings
SIPROTEC, 7SD5, Manual
C53000-G1176-C169-5, Release date 02.2011
685
A.7 Settings
Addresses which have an appended "A" can only be changed with DIGSI, under Additional Settings.
The table indicates region-specific presettings. Column C (configuration) indicates the corresponding second-
ary nominal current of the current transformer.
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 0.4 .. 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 .. 10000 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
208A 1-1/2 CB P.System Data 1 NO
YES
NO 1-1/2 Circuit breaker arrange-
ment
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-E 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 paral. line
IY starpoint
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 Rated Frequency
236 Distance Unit P.System Data 1 km
Miles
km Distance measurement unit
237 Format Z0/Z1 P.System Data 1 RE/RL, XE/XL
K0
RE/RL, XE/XL Setting format for zero seq.comp.
format
238A EarthFltO/C 1p P.System Data 1 stages together
stages separat.
stages together Earth Fault O/C: setting for 1pole
AR
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 Dura-
tion
241A TMax CLOSE CMD P.System Data 1 0.01 .. 30.00 sec 1.00 sec Maximum Close Command Du-
ration
242 T-CBtest-dead P.System Data 1 0.00 .. 30.00 sec 0.10 sec Dead Time for CB test-autoreclo-
sure
251 K_ALF/K_ALF_N P.System Data 1 1.00 .. 10.00 1.00 k_alf/k_alf nominal
253 E% ALF/ALF_N P.System Data 1 0.5 .. 50.0 % 5.0 % CT Error in % at k_alf/k_alf
nominal
254 E% K_ALF_N P.System Data 1 0.5 .. 50.0 % 15.0 % CT Error in % at k_alf nominal
301 ACTIVE GROUP Change Group Group A
Group B
Group C
Group D
Group A Active Setting Group is

Siemens SIPROTEC Specifications

General

Brand	Siemens
Model	SIPROTEC
Category	Protection Device
Language	English