GE Multilin 850

CHAPTER 4: SETPOINTS CONTROL
850 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL 4–389
Figure 4-165: Autorecloser - AR1 Rate Supervision logic diagram - “PAGE 3”
894073A2.cdr
AR1 SHOT RATE PER HOUR:
SET TO ZERO
INCREMENT COUNTER
DECREMENTS SHOTS
FROM 60 MIN. AGO
SETPOINTS
CLEAR AR1 RATE DATA YES NO
SETPOINTS
AR1 MAX RATE PER HOUR: RUN Counter >= Max Rate
SETPOINTS
AR1 RATE SUPERV FUNCTION: Disabled = 0 Alarm
FLEXLOGIC OPERAND
AR1 Rate High
AR1 Rate High - Lockout
To Page 1
AR1 RATE SUP OUTPUT RELAYS (3-7):
SETPOINTS
Do Not Operate, Operate
From Page 2
AR1 close
PAGE 3 (AR1 RATE SUPERVISION)
Lockout
OR
AND
FLEXLOGIC OPERAND
AR1 Rate HI Lockt
ALARM (Default)
STATUS