Settings - Siemens SIPROTEC 7SA522 Manual

2.17.3 Settings

Addr. Parameter
3802 START
3805 Paral.Line Comp
3806 Load Compensat.
2.17.4 Information List
No. Information
1114 Rpri =
1115 Xpri =
1117 Rsec =
1118 Xsec =
1119 dist =
1120 d[%] =
1122 dist =
1123 FL Loop L1E
1124 FL Loop L2E
1125 FL Loop L3E
1126 FL Loop L1L2
1127 FL Loop L2L3
7SA522 Manual
C53000-G1176-C155-3
If the parallel line compensation is used, set address  3DUDO/LQH &RPS to <(6
(presetting for devices with parallel line compensation). Further prerequisites are that
• the earth current of the parallel line has been connected to the fourth current input
I with the correct polarity and
4
• the current transformer ratio ,,SK &7 (address ) in the Power System Data
1 has been set correctly (refer also to Subsection 2.1.3.1 at "Current Transformer
Connection") and
• the parameter for the fourth current input , WUDQVIRUPHU has been set to ,Q
SDUDO OLQH (address ) in the Power System Data 1 (Subsection 2.1.3.1 at
"Current Transformer Connection") and
• the mutual impedances 505/ 3DUDO/LQH and ;0;/ 3DUDO/LQH (addresses
 and ) have been set correctly in the general protection data (Power
System Data 2, Sub-section 2.1.5.1).
If load compensation is applied to single-phase faults in double-fed lines of an earthed
system, set  in address /RDG &RPSHQVDW <(6. In case high fault resistances
are expected for single-phase faults, e.g. at overhead lines without overhead earth
wire or unfavourable footing of the towers, this will improve the accuracy of the dis-
tance calculation.
Setting Options
Pickup
TRIP
NO
YES
NO
YES
Type of In-
formation
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT_Ev
OUT_Ev
OUT_Ev
OUT_Ev
OUT_Ev
Default Setting
Pickup Start fault locator with
YES Mutual coupling parall.line com-
pensation
NO Load Compensation
Comments
Flt Locator: primary RESISTANCE
Flt Locator: primary REACTANCE
Flt Locator: secondary RESISTANCE
Flt Locator: secondary REACTANCE
Flt Locator: Distance to fault
Flt Locator: Distance [%] to fault
Flt Locator: Distance to fault
Fault Locator Loop L1E
Fault Locator Loop L2E
Fault Locator Loop L3E
Fault Locator Loop L1L2
Fault Locator Loop L2L3
2.17 Fault locator
Comments
297