GE Multilin L60, Instruction Manual

Page: 320 / 752

5-190 L60 Line Phase Comparison System GE Multilin
5.5 GROUPED ELEMENTS 5 SETTINGS
5
Figure 5–87: POWER SWING DETECT SCHEME LOGIC (3 of 3)
NOTE:
L1 AND L4 LATCHES ARE SET DOMINANT
L2, L3 AND L5 LATCHES ARE RESET DOMINANT
FLEXLOGIC OPERAND
FLEXLOGIC OPERAND
FLEXLOGIC OPERAND
FLEXLOGIC OPERAND
FLEXLOGIC OPERAND
FLEXLOGIC OPERAND
FLEXLOGIC OPERANDS
FLEXLOGIC OPERAND
FLEXLOGIC OPERANDS
SETTING
SETTINGS
SETTING
SETTING
SETTING
SETTING
SETTING
SETTING
POWER SWING
SEAL-IN DELAY:
POWER SWING
DELAY 1 RESET:
POWER SWING
DELAY 1 PICKUP:
POWER SWING
DELAY 2 PICKUP:
POWER SWING
DELAY 3 PICKUP:
POWER SWING
DELAY 4 PICKUP:
POWER SWING BLK:
Off=0
POWER SWING TRIP
MODE:
POWER SWING MODE:
POWER SWING TRIP
POWER SWING TMR2 PKP
POWER SWING TMR4 PKP
POWER SWING OUTGOING
POWER SWING TMR3 PKP
POWER SWING INCOMING
POWER SWING BLOCK
POWER SWING UN/BLOCK
POWER SWING 50DD
P
OWER SWING OUTER
827841A5.CDR
P
OWER SWING MIDDLE
P
OWER SWING INNER
AND
3-step
Early
3-step
2-step
Delayed
2-step
AND
OR
OR
AND
AND
AND
0
t
PKP
t
PKP
t
PKP
t
PKP
t
RST
t
RST
0
0
0
AND
AND
S Q4
R
S Q3
R
S Q2
R
S Q1
R
S Q5
R
L1
L5
L2
L3
L4
UNBALANCE
From sheet 1
AND