Siemens SIPROTEC User Manual

Functions
2.1 General
SIPROTEC, 7SD5, Manual
C53000-G1176-C169-5, Release date 02.2011
53
2.1.2.2 Settings
Addresses which have an appended "A" can only be changed with DIGSI, under Additional 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 .. 10000 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
208A 1-1/2 CB NO
YES
NO 1-1/2 Circuit breaker arrangement
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-E 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 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
238A EarthFltO/C 1p stages together
stages separat.
stages together Earth Fault O/C: setting for 1pole
AR
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

Siemens SIPROTEC Specifications

General

Brand	Siemens
Model	SIPROTEC
Category	Protection Device
Language	English