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Siemens SIPROTEC 7SJ531 - Page 64

Siemens SIPROTEC 7SJ531
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-ETHOD OF OPERATION3*
6
#
' #

4 ##
5 CC SC &LT
#URRENT
CRITERION
/.
ACTIVATE START
UP
CRITERION
5
/.
UV ANNUNCI
ATIONS ONLY
ANNUNCIATION
UV ANNUNC
BLOCK 5 STAGE
UV OFF
UV ON
5 BLOCK
!,!2- /.,9
31
2
4RIP
UV OFF
/&&
5.$%26/,4
UV BLOCKED
BLOCK 5 STAGE
5 BLOCK
BLOCK UNDERVOLTAGE
PROTECTION
64 MCB TRIPPED
FEEDER SIDE
/.
/&&
"2+
#,/3%$
/&&
3# )
5 S CRIT
34!24 50
#2)4%2)/.
4 3#
5
5
START UP
4 5
5 4RIP
5 &AULT
5 CC &AULT
4 5
5 4RIP
5 &AULT
5 CC &AULT
5 SC &AULT
VT FAIL FEED
ACTIVE TIME
 MS
RESET MEASUREMENT
VT FAIL BB
64 MCB TRIPPED
BUS
BAR SIDE
0ARAMETER

&UNCTION NUMBER
&.O 
&.O 
&.O 
&.O 
&.O 
&.O 
&.O 
&.O 
&.O 
&.O 
&.O 
&.O 
&.O 
&.O 
&.O 
&.O 
## )
&IGURE  ,OGIC DIAGRAM OF UNDERVOLTAGE PROTECTION
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