/PERATING INSTRUCTIONS
3*
6
# ' #
3ETTINGS FOR AUTO RECLOSURE
ADDRESS BLOCK
4HE INTERNAL AUTO RECLOSE FUNCTION IS EFFECTIVE ONLY IF
CONFIGURED AS
%8)34
UNDER ADDRESS REFER TO
3ECTION
7HEN NO AUTO RECLOSURE IS TO BE CARRIED OUT ON THE
FEEDER WHICH IS PROTECTED BY THE RELAY 3* EG
CABLES TRANSFORMERS MOTORS ETC THEN THE INTERNAL
!2 FUNCTION MUST BE CONFIGURED AS
./. %8)34
IN
ADDRESS REFER TO 3ECTION 4HE !2 FUNC
TION IS THEN NOT EFFECTIVE AT ALL IE 3* DOES NOT
PROCESS THE !2 FUNCTION .O CORRESPONDING ANNUN
CIATIONS ARE GIVEN BINARY INPUTS FOR AUTO RECLOSURE
ARE IGNORED !LL PARAMETERS IN BLOCK ARE IRRELEVANT
AND UNAVAILABLE
7ITH THE INTERNAL !2 FUNCTION GENERALLY DISTINCTION IS
MADE BETWEEN THE FIRST !2 CYCLE IDENTIFIED IN THE
FOLLOWING WITH 2!2 RAPID AUTO RECLOSURE AND FUR
THER !2 CYCLES WITH MULTI SHOT AUTO RECLOSURE
IDENTIFIED IN THE FOLLOWING WITH $!2 DELAYED AUTO
RECLOSURE 4HE ABOVE IDENTIFICATIONS ARE REGARDLESS
WHETHER THE DEAD TIMES ARE REALLY RAPID OR
DELAYED 3ETTING ADDRESSES TO ARE COM
MON FOR ALL TYPES OF AUTO RECLOSURE
7HEN SWITCHING MANUALLY ON A DEAD FAULT EITHER VIA
A BINARY INPUT OR FROM THE INTEGRATED CONTROL FACILITIES
IT IS NORMALLY DESIRED THAT THE !2 FUNCTION IS BLOCKED
4HUS ADDRESS SHOULD REMAIN IN POSITION -#
",+
9%3
4HE RECLAIM TIME 4 2%#,!)- ADDRESS IS THE
TIME PERIOD AFTER WHICH THE NETWORK FAULT IS SUP
POSED TO BE TERMINATED AFTER A SUCCESSFUL AUTO RE
CLOSE CYCLE ! RENEWED TRIP OF ANY PROTECTION FUNC
TION WITHIN THIS TIME INCREMENTS THE !2 COUNTER
WHEN MULTI SHOT !2 IS USED SO THAT THE NEXT !2
CYCLE STARTS IF NO FURTHER !2 IS ALLOWED THE LAST !2 IS
TREATED AS UNSUCCESSFUL
4HE LOCK OUT TIME 4 ,/#+ ADDRESS IS THE
TIME PERIOD DURING WHICH AFTER AN UNSUCCESSFUL AU
TO RECLOSURE FURTHER RECLOSURES BY 3* ARE
BLOCKED 4HIS TIME MUST BE LONGER THAN THE RENEWED
READINESS FOR OPERATION OF THE CIRCUIT BREAKER )F THIS
TIME IS SET TO
0
RECLOSE COMMAND IS LOCKED )T CAN
BE UNLOCKED ONLY WHEN THE BINARY INPUT
!2 2E
SET
&.O
IS ENERGIZED )T MUST BE ENSURED
THAT THIS BINARY INPUT IS ACCORDINGLY ASSIGNED REFER
TO 3ECTION
)F ANY OF THE PROTECTION FUNCTIONS OF 3* DETECTS A
FAULT WITHIN THE SET TIME FOR 4 ",/# -# ADDRESS
DEFINITIVE TRIP COMMAND IS ISSUED AND RECLO
SURE IS BLOCKED PROVIDED -# ",/#+ ADDRESS
SEE ABOVE IS SWITCHED
/.
4HE DURATION OF THE CLOSING COMMAND HAS ALREADY
BEEN SET WHEN SETTING THE GENERAL PARAMETERS OF THE
DEVICE ADDRESS 3ECTION
! PREREQUISITE FOR INITIATION OF THE !2 FUNCTION IS THAT
THE CIRCUIT BREAKER IS READY FOR AT LEAST ONE TRIP CLO
SE TRIP CYCLE WHEN ANY SHORT CIRCUIT PROTECTION
FUNCTION TRIPS 4HIS INFORMATION HAS TO BE GIVEN TO THE
RELAY VIA THE BINARY INPUT
#" READY
&.O
)N CASE SUCH INFORMATION IS NOT AVAILABLE FROM THE #"
CIRCUIT INTERROGATION OF
#" READY
CAN BE SUP
PRESSED BY SETTING THE PARAMETER #" 42)0
./
IE #" INTERROGATION AT ST TRIP ADDRESS
OTHERWISE RECLOSURE WOULD NOT BE POSSIBLE
!DDITIONALLY IT IS POSSIBLE TO INTERROGATE READINESS OF
THE CIRCUIT BREAKER BEFORE EACH FURTHER RECLOSE COM
MAND OR BEFORE EVERY OTHER RECLOSE COMMAND 3ET
TING IS MADE IN ADDRESS
#" #,/3%
#" .%6%2
INTERROGATION IS NOT
MADE OR ONLY AT THE MOMENT OF THE
FIRST TRIP COMMAND AS PARAMETERIZED
UNDER ADDRESS
#" #,/3%
#" 7)4( %!#( !2
INTERROGATION IS
MADE BEFORE EACH RECLOSE COM
MAND
#" #,/3%
#" 7)4( ND !2
INTERROGATION IS
MADE BEFORE EVERY OTHER RECLOSE
COMMAND IE BEFORE THE ND TH
ETC EVERY TRIP CLOSE CYCLE IS VALID
REGARDLESS WHETHER IT IS 2!2 OR $!2
)N ORDER TO MONITOR THE REGENERATION TIME OF THE CIR
CUIT BREAKER A SPECIAL CIRCUIT BREAKER SUPERVISION
TIME 4 #" 3506 CAN BE SET UNDER ADDRESS
4HIS TIME SHOULD BE SET SLIGHTLY ABOVE THE REGENERA
TION TIME OF THE BREAKER AFTER A TRIP CLOSE CYCLE )F THE
CIRCUIT BREAKER IS NOT YET READY AFTER THIS TIME RECLO
SURE IS SUPPRESSED
ONLY FOR MODEL 3*
J JJJJJ
JJJ
AND
JJJ
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