GE D60 - Page 462

5-328 D60 Line Distance Protection System GE Multilin
5.7 CONTROL ELEMENTS 5 SETTINGS
5
Figure 5–167: POTT SCHEME LOGIC
SETTING
FLEXLOGIC OPERANDS
SETTING
FLEXLOGIC OPERAND
FLEXLOGIC OPERAND
SETTING
SETTING
POTT SCHEME
FUNCTION:
Enabled
Custom
PH DIST Z2 PKP
GND DIR O/C FWD:
LINE PICKUP LEO PKP
Off
POTT OP
POTT PERMISSIVE ECHO:
POTT ECHO COND:
Disabled = 0
Off = 0
Disabled
837014AJ.CDR
GND DIST Z2 PKP
Off = 0
SETTINGS
SETTINGS
SETTINGS
SETTINGS
SETTINGS
POTT RX PICKUP
DELAY:
TRANS BLOCK PICKUP
DELAY:
LINE END OPEN PICKUP
DELAY:
ECHO DURATION:
TRANS BLOCK RESET
DELAY:
POTT SEAL-IN
DELAY:
AND
OR
AND
OR
AND
AND
AND
AND
AND
OR
0
t
R
S
T
0
t
R
S
T
t
PKP
t
PKP
t
PKP
0
ECHO LOCKOUT:
Echo duration and lockout logic
SETTINGS
POTT RX1:
POTT RX2:
POTT RX3:
POTT RX4:
POTT NO OF COMM
BITS:
Off = 0
Off = 0
Off = 0
Off = 0
OR
FLEXLOGIC OPERANDS
POTT NO OF COMM
BITS:
POTT TX1
POTT TX2
POTT TX3
POTT TX4
ECHO TABLE
TRANSMIT TABLE
Phase
Selector
RX
RX
RUN
RUN
FLEXLOGIC OPERANDS
POTT NO OF COMM
BITS:
POTT TRIP A
POTT TRIP B
POTT TRIP C
POTT TRIP 3P
TRIP TABLE
Phase
Selector
RUN
AND
0
100 msec
SETTING
POTT SCHEME BLOCK:
OFF = 0
AND
FLEXLOGIC OPERANDS
AR FORCE 3P TRIP
OPEN POLE OP
FLEXLOGIC OPERANDS
AR FORCE 3P TRIP
OPEN POLE OP
Phase
Selector
FLEXLOGIC OPERANDS
AR FORCE 3P TRIP
OPEN POLE OP