Siemens siprotec 7SA522 User Manual

Functions
6-198 7SA522 Manual
C53000-G1176-C119-2
• the earth current of the parallel line has been connected to the fourth current input
I
4
with the correct polarity and
• the parameter for the fourth current input ,WUDQVIRUPHUhas been set to ,Q
SDUDOOLQH (address ) in the “plant data 1” (refer also to Sub-section 6.1.1
under “Current Transformer Connection”) and
• the current transformer ratio ,,SK&7 (address ) in the “plant data 1” has
been set correctly (refer also to Sub-section 6.1.1 under “Current Transformer Con-
nection”) and
• the mutual impedances 505/3DUDO/LQH and ;0;/3DUDO/LQH (addresses
 and ) have been set correctly in the general protection data („plant data
2“, refer to Sub-section 6.1.3).
The correction of measured values for load currents on long, heavily loaded double-
end fed lines can be activated via address 3806 /RDG&RPSHQVDW = “<HV”. The pre-
setting is “1R”.
6.14.3 Settings
6.14.4 Information Overview
Addr. Setting Title Setting Options Default Setting Comments
3802 START Pickup
TRIP
Pickup Start fault locator with
3805 Paral.Line Comp NO
YES
NO Mutual coupling parall.line com-
pensation
3806 Load Compensat. NO
YES
NO Load Compensation
F.No. Alarm Comments
1114 Rpri = Flt Locator: primary RESISTANCE
1115 Xpri = Flt Locator: primary REACTANCE
1117 Rsec = Flt Locator: secondary RESISTANCE
1118 Xsec = Flt Locator: secondary REACTANCE
1119 dist = Flt Locator: Distance to fault
1120 d[%] = Flt Locator: Distance [%] to fault
1122 dist = Flt Locator: Distance to fault
1123 FL Loop L1E Fault Locator Loop L1E
1124 FL Loop L2E Fault Locator Loop L2E
1125 FL Loop L3E Fault Locator Loop L3E
1126 FL Loop L1L2 Fault Locator Loop L1L2
1127 FL Loop L2L3 Fault Locator Loop L2L3

Siemens siprotec 7SA522 Specifications

General

Brand	Siemens
Model	siprotec 7SA522
Category	Protection Device
Language	English