Siemens siprotec 7SA522 User Manual

2.1 General
45
7SA522 Manual
C53000-G1176-C155-3
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-L2 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
235 PHASE SEQ. L1 L2 L3
L1 L3 L2
L1 L2 L3 Phase Sequence
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 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
Addr. Parameter Setting Options Default Setting Comments

Siemens siprotec 7SA522 Specifications

General

Brand	Siemens
Model	siprotec 7SA522
Category	Protection Device
Language	English