Siemens siprotec 7SD5 User Manual

2 Functions
54
7SD5 Manual
C53000-G1176-C169-1
2.1.2.2 Settings
Addresses which have an appended "A" can only be changed with DIGSI, under Ad-
ditional Settings.
Addr. Parameter Setting Options Default Setting Comments
201 CT Starpoint towards Line
towards Busbar
towards Line CT Starpoint
203 Unom PRIMARY 0.4 .. 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.
Usync 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 Usync connect. L1-E
L2-E
L3-E
L1-L2
L2-L3
L3-L1
L1-E VT connection for sync. voltage
214A ϕ Usync-Uline 0 .. 360 ° 0 ° Angle adjustment Usync-Uline
215 U-line / Usync 0.50 .. 2.00 1.00 Matching ratio U-line / Usync
220 I4 transformer Not connected
In prot. line
In paral. line
IY starpoint
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
236 Distance Unit km
Miles
km Distance measurement unit
237 Format Z0/Z1 RE/RL, XE/XL
K0
RE/RL, XE/XL Setting format for zero seq.comp.
format
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 Dura-
tion
241A TMax CLOSE CMD 0.01 .. 30.00 sec 1.00 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
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Siemens siprotec 7SD5 Specifications

General

Brand	Siemens
Model	siprotec 7SD5
Category	Relays
Language	English