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
has been set to
,Q
SDUDOOLQH
(address
) in the “plant data 1” (refer also to Sub-section 6.1.1
under “Current Transformer Connection”) and
•
the current transformer ratio
(address
) in the “plant data 1” has
been set correctly (refer also to Sub-section 6.1.1 under “Current Transformer Con-
nection”) and
•
and
(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
<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
Summary of Contents for siprotec 7SA522
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Page 89: ...SIPROTEC 4 Devices 4 25 7SA522 Manual C53000 G1176 C119 2 Figure 4 20 CFC Logic example ...
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Page 620: ...Appendix B 48 ...