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Siemens SIPROTEC 7SS52 User Manual

Siemens SIPROTEC 7SS52
210 pages
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 '(& )( )'& &) ( &!&  ")& &$(( $#   Ć %&( $# #)" &&#$ 
 
6 - 13
Siemens AG May 1998
"
A
6 1 0 3 S T A B . F A C : C Z
= 0 . 5 0
Stabilizing factor for the check zone
minimum setting: ...............
maximum setting: ...............
"
A
6 1 0 4 I > D I F F : C Z
= 1 . 0 0 I / I n o
Diff-current limit for the check zone
minimum setting: ...............
maximum setting: ...............
"
A
6 1 0 5 N O R M B A S I N
= 4 0 0 . 0 A
Nominal current of the basic CT (
^
reference val.
no
).
This parameter is the normalizing factor for setting
the differential current thresholds and the differential
current supervision thresholds.
minimum setting:  A.............
maximum setting:  A...........
"
A
6 1 0 6 T R I P E X T E N D
= 0 . 1 0 s
TRIP command extension
The TRIP command extension time is started by the
TRIP command.
The TRIP commands of all bays are extended to the
set time as a minimum.
The TRIP command is reset only after the set time
has elapsed and the current sensor of the bay has
dropped off.
minimum setting:  s.............
maximum setting:  s.............
"
A
6 1 0 7 B I T R I P E N A B
= n o n e x i s t e n t
Binary input "feeder-selective TRIP release for busĆ
bar short-circuit (refer to chapter 4.7.1.1)
= non existent
= existent
"
A
6 1 0 8 T – C B O P E N
= 0 s
Time delay for special treatment of the currents in the
coupler bay
minimum setting:  s.............
maximum setting:  s.............
In order to detect faults in the dead zone, the OPEN
status of the bus coupler circuit breaker is used.
The special treatment of the currents in the coupler
bay applies only after the set time delay has elapsed
(refer to chapter 4.7.3.2).
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Siemens SIPROTEC 7SS52 Specifications

General IconGeneral
BrandSiemens
ModelSIPROTEC 7SS52
CategoryProtection Device
LanguageEnglish

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