GE Multilin 850

4–206 850 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
PROTECTION CHAPTER 4: SETPOINTS
Figure 4-86: Logic Diagram of UV Reactive Power Protection Function (2 of 2)
894191A1.cdr
Operate Output Relay 2(CLOSE)
AN D
SETPOINT
BLOCK:
Off=0
J1_3VT Frequency
Actual Values
Frequency
From Metering\Frequency 1-J
MIN VOLTAGE:
SETPOINT
MIN FREQUENCY:
SETPOINT
MAX FREQUENCY:
AND
SETPOINT
RESTORE INITIATE: Any FlexLogic Operand
RESTORE DELAY:
SETPOINT
tdelay
0
Falling Edge
FLEXLOGIC OPERANDS
UV Var Restore
SETPOINT
Output Relay X
Do Not Operate, Operate
AN D
VA > Min Voltage VB > Min Voltage VC > Min Voltage
AND
F > Min Frequency
F < Max Frequency
S R
SETPOINT
27Q INITIATE:
Off=0
On
AND
OR
AND
LATCH
SETPOINT
SYNC SUPERVISION:
Off ON
Sync1 Close Perm
From Synchrocheck 1
AND
OR
AND
AN D
SETPOINT
Configurable
RESTORE FUNCTION:
Disabled=0 Close
OR
From sheet 1 of 2
J1I_1
Actual Values
MIN CURRENT:
SETPOINT
I1 ≥Min Current
OR
1
From sheet 1 of 2
2
From sheet 1 of 2
VA VB VC
Reset
Dominant
FLEXLOGIC OPERANDS BRK 1 Configured BKR 1 Opened
AND
OR