GE UR series Instruction Manual page 284

5.5 GROUPED ELEMENTS
SETTING
POWER SWING MODE:
3-step
AND
AND
2-step
AND
5
AND
AND
NOTE:
L1 AND L4 LATCHES ARE SET DOMINANT
L2, L3 AND L5 LATCHES ARE RESET DOMINANT
5-152
SETTINGS
POWER SWING
DELAY 1 PICKUP:
POWER SWING
DELAY 1 RESET:
t
PKP
S Q1
t
RST
R
SETTING
POWER SWING
DELAY 2 PICKUP:
t
PKP
S Q2
0
R
3-step
2-step
SETTING
POWER SWING
DELAY 3 PICKUP:
t
PKP
S Q3
0
R
SETTING
POWER SWING
DELAY 4 PICKUP:
t
PKP
S Q4
0
R
SETTING
POWER SWING BLK:
Off=0
Figure 5–78: POWER SWING DETECT SCHEME LOGIC (3 of 3)
L60 Line Phase Comparison System
L1
FLEXLOGIC OPERAND
POWER SWING 50DD
OR
L2
L3 SETTING
POWER SWING TRIP
MODE:
SETTING
POWER SWING
Early
SEAL-IN DELAY:
0
L4
AND
Delayed
5 SETTINGS
FLEXLOGIC OPERANDS
POWER SWING BLOCK
POWER SWING UN/BLOCK
S Q5
L5
R
OR
FLEXLOGIC OPERAND
POWER SWING TMR2 PKP
FLEXLOGIC OPERAND
POWER SWING TMR3 PKP
FLEXLOGIC OPERAND
POWER SWING INCOMING
FLEXLOGIC OPERAND
t
RST
AND POWER SWING TRIP
FLEXLOGIC OPERAND
POWER SWING TMR4 PKP
FLEXLOGIC OPERAND
POWER SWING OUTGOING
827841A4.CDR
GE Multilin