1-36
Factory-Set Logic
Date Code 990215
SEL-351P Manual Técnico
SEL
OGIC
Setting
(drive-to-
lockout
conditions)
DWG: MP351P020
79DTL
ground
number of operations is greater
than or equal to the number of
set operations to lockout - SEF
(see Figure 1.10)
high-current
lockout
phase
SEF element trip
trip or recloser
open
reclose disabled or
hot line tag ON
(see Figures 1.38
and 1.49)
ABRIR operator control pushbutton
(pulsed output - see Figure 1.36)
serial port OPEN command
drive-to-lockout conditions derived from operations
to lockout conditions (see Figure 1.24)
67N3T
OLS
67P1
67G1
67N1
TRIP
52A
LT2
LT7
PB9
OC
SV16
Relay
Word
Bits
Underfrequency element (see Figure 3.28)
81D1T
Figure SECTION 1: .25:
Drive-to-Lockout Logic – Part 3 of 3
B
LOCK
R
ESET
T
IMING
See Figure SECTION 1: .26. If any of the fast curves, delay curves, or SEF elements are picked
up and timing, reset timing is blocked. Reset timing is also blocked if tripping is in progress.
After block reset conditions are gone, the reset timer fully loads up again and then begins timing
if the recloser is closed.
Содержание SEL-351P
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