GE UR Series L90, Instruction Manual

Page: 453 / 846

GE Multilin L90 Line Current Differential System 5-315
5 SETTINGS 5.7 CONTROL ELEMENTS
5
Figure 5–166: DIRECTIONAL COMPARISON BLOCKING SCHEME LOGIC
SETTING
SETTING
SETTINGS
SETTING
SETTING
SETTING
SETTING
SETTING
FLEXLOGIC OPERANDS
FLEXLOGIC OPERANDS
FLEXLOGIC OPERANDS
FLEXLOGIC OPERAND
FLEXLOGIC OPERAND
BLOCKING SCHEME
FUNCTION:
BLOCKING RX CO-ORD PKP
DELAY:
TRANS BLOCK PICKUP
DELAY:
TRANS BLOCK RESET
DELAY:
BLOCK SCHEME
SEAL-IN DELAY:
PH DIST Z2 PKP
PH DIST Z4 PKP
PH DIST Z1 PKP
DIR BLOCK OP
DIR BLOCK TX INIT
Disabled=0
GND DIR O/C FWD:
BLOCKING SCHEME RX1:
BLOCKING SCHEME RX2:
BLOCKING SCHEME RX3:
BLOCKING SCHEME RX4:
BLOCK SCHEME NO OF
COMM BITS:
GND DIR O/C REV.
837016AG.CDR
GND DIST Z2 PKP
GND DIST Z4 PKP
GND DIST Z1 PKP
OR
OR
OR
OR
OR
AND
AND
AND
t
PKP
t
PKP
0
0
t
RST
t
RST
Off = 0
Off = 0
Off = 0
Off = 0
Off = 0
Off = 0
FLEXLOGIC OPERANDS
BLOCK SCHEME NO OF
COMM BITS:
DIR BLOCK TX1 STOP
DIR BLOCK TX2 STOP
DIR BLOCK TX3 STOP
DIR BLOCK TX4 STOP
TRANSMIT TABLE
RX
RUN
FLEXLOGIC OPERANDS
BLOCK SCHEME NO OF
COMM BITS:
BLOCK SCHEME NO OF
COMM BITS:
DIR BLOCK TRIP A
DIR BLOCK TRIP B
DIR BLOCK TRIP C
DIR BLOCK TRIP 3P
TRIP TABLE
TRIP TABLE
PATTERN RECEIVED
(see Chapter 8 of the
instruction manual)
Phase
Selector
Phase
Selector
RUN
RUN
AND
SETTING
BLOCK SCHEME BLOCK:
OFF = 0
AND
FLEXLOGIC OPERANDS
AR FORCE 3P TRIP
OPEN POLE OP
FLEXLOGIC OPERANDS
AR FORCE 3P TRIP
OPEN POLE OP