Poznámky redaktora
1s data
± 10% s
k)
>II
o^
H 1.20xIn I4<1xIn
step 0.13 Summary table the protection function settings for the PR123/DC
Protection
Disabling
Disabling
TRIPonly
Zone
selectivity
Start-upthreshold
or
E
e
E
al
E
er
É
Threshold
range
Time
range
Threshold
tolerance <2>
Time
Tolerance <2>
L
curve IEC60255-3
□ 0.5s 10% data
± 10% ms
k)
=
of
□ Fixed,
defined SACE
Instantaneous 5°C
linst Automatic, defined
by SACE
Instantaneous
(tc
II<
)
H 0.40s, step 0.02 Pn
0.95xUn
step 0.01s
0.04s t4sel 0.05s
0.10s t2st_„ 30s, step 0.5s t6< 60s, step 0.04s t2sel <P0.8 In.1xIn
< ms
0.05s 0.
(2) These tolerances are based follow ing assum ptions:
- relay full pow ithout start-up)
- preset trip tim 100 ms
(3) no-trip tim e
(4) the protection disable curre values greater than 4In, ere 0.1s 10% data
± 10% ms
LC1/LC2 loads
control
H 50%-M00% step 0.10s t2slalt_up 30s, step 0.2x11
± 10%, In
± 20%, In
s ,
(t k)
H 0.05 and 1.005s
± ,Ig In
± 10% ,lg In
T data
± 10% s
I
(t= k)
H 1,5xIn I3< 10xIn
step 0.01s
0.1xPn
step 0.13.35s,
step 0.20s, step 0.5 0.01s
± ,Ig In
± 10% ,Ig In
T ta
± 10% s
s ,
(t= k/I2)
H 0.01 10xIn
± ,Ig In
± 10% ,Ig In
± 15%, In
± 20%, In
9
S2
(t= k)
H 0.2xUn
step 0.8 and greater than ere I4> 0.6 xIn <10xIn
step 0.1xIn
0.
55/108
.1s t4< 1s, step 0.2.1s t4< 1s, step 0.01s
0.2s, step 0.1s t.1s t8< 5s, step 0.1s data
± 10% ms
k)
P=
ccn
H 0.5s t11 25s, step 0.1xIn
0.20xIn I4<1xIn
step 0.35s, step 0.05xI1
Warning 0,3-h10I step 0,05xIn n
± 10% 10+40 ms
(1) The value this trip regardle the typ curve set (self
protection).05 1.05s
@Ig>4In
± 15%
tc
II
)
H I6< 90%
step 1%
0.01s
where I4
vX)
0^
h-
+1
T data
± 10% ms
G<4>
(t= k/I2)
H 0.02xIn
0.04s t2sel 0.1xIn
< s(3) 10%
tg
II3
)
H 0.1xIn
0.3xPn< P11 <-0.10s t2start 30s, step 0.6xIn 10xIn
step 0.35s, step 0.25 20%
S 10% 20%
± 15% 60m s
G 10% 20%
O 20%
Model 3447
A pparatus Emax DC
S cale
D 1SDH000635R0002
Page No.4xIn 1xIn
step 0.01xUn
0.02xIn
0.01xUn
0.05s t2< 0.1s t9< 5s, step 0.s 1s, step 0.6xIn 10xIn
step 0.01xIn
3s 102s(1), step 3s
t1@ 3I1
R lease n
1.5 In,
greater than In, ere 0.1xIn
0.01s
0.01s2start-up
where I>I4
± 10%
EC£■
il
H 6.5xUn 0.9.05xUn U9< 1.
For all cases covered the above hypotheses, the llo tolerance values
apply:
Protections Trip threshold Trip time
L elease 1.05s t2< 0.0xIn I5< 15xIn
step 0.6 xIn <10xIn2 start-up
step 0.02s4start-up
0
