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Siemens SIPROTEC 7SJ531 - Page 52

Siemens SIPROTEC 7SJ531
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-ETHOD OF OPERATION3*
6
#
' #

/# 0H ON
/# 0H BLOCK
)
%

)% BLOCK
!NNUNCIATION
)% BLOCK
/# % BLOCK
/# % OFF
/#%ON
/# % BLOCK
/# %!24(
31
2
4RIP
/# % OFF
)% 4RIP
-ANUAL CLOSE
2!2 RELEASE
) BLOCK
) BLOCK
/# 0H OFF
/# 0H BLOCK
/&&
/# 0(!3%3
31
2
/# 0H OFF
) 4RIP
-!.#,/3%
).%&&%#4)6%
) 5.$%,!9%$
-ANUAL CLOSE
2!2 ST 0H
) 7 2!2 /.,9
) !,7!93
2!2 RELEASE
RESET MEASURING
RESET MEASURING
/.
/&&
/.
2!2 ST %
) 7 2!2 /.,9
) !,7!93
-!.#,/3%
).%&&%#4)6%
)% 5.$%,!9%$
31
2
)
,

4
)
&AULT ,
,
,
,
) &AULT
&.O 
&.O 
&.O 
)% &AULT
4 )%
31
2
&UNCTION NUMBER
&.O 
&.O 
&.O 
&.O 
&.O 
&.O 
&.O 
&.O 
&IGURE  ,OGIC DIAGRAM OF THE HIGH CURRENT STAGES ) PHASE CURRENTS AND )
%
 EARTH CURRENT
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