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Siemens SIPROTEC 7SJ531 - Page 25

Siemens SIPROTEC 7SJ531
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4ECHNICAL DATA3*
6

#
' #
 )NVERSE TIME OVERCURRENT PROTECTION
3ETTING RANGESTEPS
/VERCURRENT PICK
UP )
P
PHASES ))
.
 TO  STEPS 
OR 0 INFINITE NO PICK
UP
/VERCURRENT PICK
UP )
%P
EARTH ))
.
 TO  STEPS 
OR 0 INFINITE NO PICK
UP
4IME MULTIPLIER 4 FOR )
P
)
%P
)%# CHARACTERISTIC  S TO  S STEPS  S OR 0
4IME MULTIPLIER $ FOR )
P
)
%P
!.3) CHARACTERISTIC
 TO  STEPS  OR 0
/VERCURRENT PICK
UP ) PHASES ))
.
 TO  STEPS 
/VERCURRENT PICK
UP )
%
 EARTH ))
.
 TO  STEPS 
$ELAY TIME FOR ) )
%
 4  S TO  S STEPS  S OR 0
4RIP TIME CHARACTERISTICS ACC )%#  AND "3  REFER TO &IGURE 

))
P

.ORMAL INVERSE
)%#  TYPE ! T | 4
P

))
P
6ERY INVERSE
)%#  TYPE " T | 4
P

))
P
%XTREMELY INVERSE )%#  TYPE # T | 4
P
!DDITIONALLY FOR EARTH CURRENT REFER &IGURE 

))
P
,ONG TIME INVERSE
)%#  TYPE " T | 4
P
WHERE
T TRIPPING TIME
4
P
SET TIME MULTIPLIER
) FAULT CURRENT
)
P
SET PICKUP VALUE
)N MODEL 3*J
JJJJ ONE ADDITIONAL USER SPECIFIED CHARACTERISTIC CAN BE SET
0ICK
UP THRESHOLD APPROX  | )
P
$ROP OFF THRESHOLD APPROX  | )
P
4OLERANCES
0ICK UP VALUES ) )
%
 )
P
)
%P
OF SETTING VALUE
$ELAY TIME FOR ))
P
 OF SETTING VALUE
ADDITIONALLY CURRENT TOLERANCE OR  MS
)NFLUENCE VARIABLES
!UXILIARY VOLTAGE IN RANGE
 5
(
5
(.

4EMPERATURE IN RANGE
^#
AMB
 ^#   +
&REQUENCY IN RANGE
F
.
(Z 
ONLY FOR MODEL 3* J JJJJ JJJJ
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