GE L30

5-226 L30 Line Current Differential System GE Multilin
5.7 CONTROL ELEMENTS 5 SETTINGS
5
Figure 5–98: AUTORECLOSURE SCHEME LOGIC (Sheet 2 of 2)
SHOT COUNTER
FLEXLOGIC OPERANDS FLEXLOGIC OPERAND
To Sheet 1
Shot Count = MAX
ACTUAL VALUE
FLEXLOGIC OPERAND
Shot cnt = 4
AR1 SHOT CNT = 4 AR
1 SHOT CNT = 2
AR
1 SHOT CNT = 3
AR
1 SHOT CNT = 1
AR
1 SHOT CNT = 0
Increment
shot
counter
Shot cnt = 2 Shot cnt = 1 Shot cnt = 0
Reset shot
counter
Shot cnt = 3
AUTORECLOSE 1 SHOT COUNT: 0(1,2,3,4)
AR
1 CLOSE
AND
AND
AND AND AND AND
AND AND
100 ms
AND
OR
OR
OR
OR
OR
OR OR
OR
SETTING
SETTING
SETTING SETTING SETTING
AR1 RESET TIME:
AR1 MAX NUMBER OF SHOTS:
AR1 REDUCE MAX TO 1: AR1 REDUCE MAX TO 2: AR1 REDUCE MAX TO 3:
MAX = 1
Off = 0 Off = 0 Off = 0
MAX = 2 MAX = 3 MAX = 4
Close Bkr is Closed AR Initiate LO Reset from LO
To Sheet 1
R S
Latch
O
827082A7.CDR