/PERATING INSTRUCTIONS
6+
6
# ' #
2 ! 2
4
! # 4
S
!CTION TIME FOR 2!2 FIRST !2 SHOT IF TRIP SIGNAL
IS GIVEN AFTER THIS TIME !2 IS BLOCKED
3MALLEST SETTING VALUE
,ARGEST SETTING VALUE
AND
0
S
S
2 ! 2
4
0 / ,
S
$EAD TIME FOR FIRST THREE POLE 2!2 CYCLE
3MALLEST SETTING VALUE
,ARGEST SETTING VALUE
S
S
2 ! 2
4
0 / ,
S
$EAD TIME FOR FIRST !2 CYCLE 2!2 SINGLE POLE
3MALLEST SETTING VALUE
,ARGEST SETTING VALUE
S
S
% 6 & 2 % # / '
" 9
4 2 ) 0
# / - - ! . $
" 9
& ! 5 , 4
$ % 4 % #
2ECOGNITION OF EVOLVING FAULTS ONLY WITH SINGLE POLE
!2
"9 42)0 #/--!.$
FAULTS DURING SINGLE POLE
DEAD TIME ARE RECOGNIZED AS
EVOLVING FAULTS ONLY WHEN THE
RELAY TRIPS
"9 &!5,4 $%4%#
TION
EACH FAULT DETECTION DURING
SINGLE POLE DEAD TIME IS REC
OGNIZED AS AN EVOLVING FAULT
% 6 & " , / # +
! , 7 ! 9 3
. % 6 % 2
4REATMENT OF EVOLVING FAULTS ONLY WITH POLE !2
EACH EVOLVING FAULT RESULTS IN FINAL THREE POLE TRIP
RECLOSURE IS BLOCKED
NO BLOCKING OF RECLOSURE IN THE CASE OF EVOLVING
FAULTS A CHANGE FROM SINGLE POLE !2 TO THREE
POLE !2 OCCURS WHEN PERMITTED
BEFORE EXPIRY OF 4 $)3#2 A CHANGE TO THREE
POLE !2 WHEN PERMITTED OCCURS
AFTER EXPIRY OF 4 $)3#2 RECLOSURE IS BLOCKED
4
$ ) 3 # 2
4
$ ) 3 # 2
S
$ISCRIMINATION TIME FOR EVOLVING FAULTS ONLY WITH
SINGLE POLE !2
3MALLEST SETTING VALUE
,ARGEST SETTING VALUE
S
S
&OR $!2 FURTHER AUTO RECLOSE CYCLES SEVERAL PRO
GRAMS ARE POSSIBLE ADDRESS $!2 CAN BE EX
CLUDED $!2 02/'
./ $!2
$!2 CAN BE PER
MITTED ALSO IF NO 2!2 HAS BEEN PRECEDED $!2
02/'
$!2 7)4(/54 2!2
$!2 CAN BE PER
MITTED ONLY AFTER AN UNSUCCESSFUL 2!2 $!2 02/'
$!2 !&4%2 2!2
$!2 IS ALWAYS THREE POLE
-ULTIPLE AUTO RECLOSURE WITH LONGER THREE POLE
DEAD TIMES ARE ONLY PERMITTED IN NETWORKS IN WHICH
NO STABILITY PROBLEMS ARE TO BE EXPECTED FOR EX
AMPLE DUE TO A HIGH DEGREE OF MESHING OR IN RADIAL
NETWORKS OR IF SYNCHRO CHECK IS USED REFER TO 3EC
TION
