Siemens 7VK512

/PERATING INSTRUCTIONS6+
6
#
' #

 4ESTING THE AUTO RECLOSE FUNC
TION
4HE !2 FUNCTION CAN BE PROGRAMMED TO SINGLE
POLE THREE POLE OR SINGLETHREE POLE !2 ADDRESS
 PROVIDED IT IS CONFIGURED AS ).4%2.!, !2 
%8)34 !DDRESS  REFER TO 3ECTION  AND
SWITCHED TO !2 &5.#4  /. !DDRESS 
)F THE FEEDER PROTECTION PROVIDES AN !2
STAGE THE
PROPER CONTROL OF THIS STAGE SHOULD BE CHECKED
4HE BINARY INPUT
CIRCUIT BREAKER READY MUST BE SIM
ULATED UNLESS AN OPEN CIRCUIT CONTACT HAS BEEN PRO
GRAMMED FOR THIS PURPOSE &.O 
#" READY  RE
FER ALSO TO 3ECTION 
$EPENDING OF THE SELECTED !2 PROGRAM ADDRESS
 2!2 02/' A SINGLE
PHASE ANDOR TWO
PHASE SHORT CIRCUIT SHOULD BE SIMULATED WITHIN THE IN
STANTANEOUS STAGE OF THE FEEDER PROTECTION AND WITH
IN THE !2
STAGE IF AVAILABLE BUT BEYOND THE IN
STANTANEOUS STAGE EACH TIME ONCE WITH SUCCESSFUL
AND ONCE WITH UNSUCCESSFUL !2 #HECK THE PROPER
REACTION OF THE RELAY ACCORDING TO THE SET !2 PRO
GRAM
.OTE THAT EACH NEW TEST CAN BEGIN ONLY AFTER THE RE
CLAIM TIME OR LOCK
OUT TIME FOR THE PREVIOUS TEST HAS
EXPIRED OTHERWISE AN AUTO
RECLOSE CANNOT RESULT
,%$
!2 NOT READY &.O  ,%$  AS DELIV
ERED MUST NOT BE ILLUMINATED
)F THE CIRCUIT BREAKER IS NOT READY A RECLOSE ATTEMPT
MUST NOT RESULT (OWEVER A NORMAL !2 CYCLE MUST
OCCUR WHEN THE SIGNAL
CIRCUIT BREAKER READY FIRST
DISAPPEARS AFTER THE INCEPTION OF THE FAULT
)F MULTI
SHOT AUTO RECLOSURE IS USED TEST THE FUNC
TION SEQUENCE IN ACCORDANCE TO THE SET $!2 PRO
GRAM AND THE NUMBER OF DESIRED SHOTS
 4ESTING THE SYNCHRONISM AND
VOLTAGE CHECK FUNCTION
4HE SYNCHRONISM AND VOLTAGE CHECK FUNCTION CAN
IF FITTED OPERATE WITH THE INTEGRATED AUTO RE
CLOSE FUNCTION OR WITH AN EXTERNAL AUTO
RECLOSURE
DEVICE !DDITIONALLY SYNCHRONISM OR DEAD
LINE
CHECK CAN BE PERFORMED BEFORE MANUAL CLOSING OF
THE CIRCUIT BREAKER ! 0RE
REQUISITE IS THAT IT IS CONFI
GURED AS 39.#(#(%#+  %8)34 !DDRESS 
REFER TO 3ECTION  AND SWITCHED TO 39.#(%#+
 /. !DDRESS 
4HE START
TO MEASURE SIGNAL CAN BE GIVEN TO THE
RELAY VIA THE BINARY INPUT
3YNC 3TART &.O
 4HE DEVICE CHECKS FOR CLOSE PERMISSION ACCORD
ING TO THE CHECK PROGRAM WHICH IS SET UNDER THE AD
DRESSES  TO  )F THE CHECK RESULT IS POSITIVE
CLOSE COMMAND IS RELEASED !NNUNCIATION
3YNC2ELEASE  &.O 
4HE PROGRAMS AVAILABLE ARE
39.#(2  9%3 )F MEASURED VOLTAGES ARE IN
PHASE CLOSE COMMAND IS RE
LEASED IF IN COUNTER
PHASE NO
RELEASE OCCURS
55  9%3 )F THE FEEDER VOLTAGE 5 IS PRES
ENT BUT THE BUS
BAR VOLTAGE 5
SWITCHED OFF CLOSE COMMAND IS
RELEASED
55  9%3 )F THE BUS
BAR VOLTAGE 5 IS
PRESENT BUT THE FEEDER VOLTAGE
5 SWITCHED OFF CLOSE COM
MAND IS RELEASED
55  9%3 )F THE BUS
BAR VOLTAGE 5 AND
THE FEEDER VOLTAGE 5 ARE BOTH
SWITCHED OFF CLOSE COMMAND IS
RELEASED
/6%22)$%  9%3 #LOSE COMMAND IS RELEASED IN
DEPENDENT ON WHETHER VOLTAGES
ARE PRESENT OR NOT NOR WHAT IS
THE PHASE RELATIONSHIP