Technical Data
10-24
7SJ63 Manual
C53000-G1140-C120-1
Trip Time Charac-
teristics As Per
IEC 60255–3
See also Figure10-4
Trip Time Charac-
teristics As Per
ANSI
See Also Figure10-5
The trip times for I
2
/I
2p
≥
20 are identical to those for I
2
/I
2p
= 20.
Pickup Threshold
approx. 1.10 · I
2p
Tolerances
Pickup Current I
2p
3% of set value or 50 mA
Time for 2
≤
I
2
/I
2p
≤
20
5% of reference (calculated) value + 2 %
current tolerance, or 30 ms
1
) For I
N
= 1 A, divide all limits and increments by 5.
t
0.14
I
2
I
2p
⁄
(
)
0.02
1
–
----------------------------------------
T
I
2p
⋅
=
,(&1250$/,19(56(
t
13.5
I
2
I
2p
⁄
(
)
1
1
–
---------------------------------
T
I
2 p
⋅
=
,(&9(5<,19(56(
t
80
I
2
I
2p
⁄
(
)
2
1
–
---------------------------------
T
I
2 p
⋅
=
,(&(;75(0(/<,19(56(
Where:
t
trip time in seconds
T
I
2p
setting value of the time multiplier
I
2
negative sequence currents
I
2p
setting value of the pickup current
for 1.1 < (
I
2
/
I
2p
)
≤
20
[s]
[s]
[s]
t
8.9341
I
2
I
2p
⁄
(
)
2.0938
1
–
---------------------------------------------
0.17966
+
D
I
2p
⋅
=
$16,,19(56(
t
0.0103
I
2
I
2p
⁄
(
)
0.02
1
–
----------------------------------------
0.0228
+
D
I
2p
⋅
=
$16,02'(5$7(/<
t
5.64
I
2
I
2p
⁄
(
)
2
1
–
---------------------------------
0.02434
+
D
I
2p
⋅
=
$16,(;75(0(/<
Where:
t
trip time in seconds
D
I
2p
setting value of the time multiplier
I
2
negative sequence currents
I
2p
setting value of the pickup current
for 1.1 < (
I
2
/
I
2p
)
≤
20
t
3.922
I
2
I
2p
⁄
(
)
2
1
–
---------------------------------
0.0982
+
D
I
2p
⋅
=
$16,9(5<,19(56(
,19(56(
,19(56(
[s]
[s]
[s]
[s]
www
. ElectricalPartManuals
. com
Содержание siprotec 7SJ63
Страница 16: ...xiv 7SJ63 Instruction Manual C53000 G1140 C120 1 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...
Страница 28: ...Introduction 1 12 7SJ63 Manual C53000 G1140 C120 1 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...
Страница 112: ...SIPROTEC 4 Devices 4 38 7SJ63 Manual C53000 G1140 C120 1 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...
Страница 346: ...Functions 6 182 7SJ63 Manual C53000 G1140 C120 1 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...
Страница 494: ...Technical Data 10 48 7SJ63 Manual C53000 G1140 C120 1 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...
Страница 604: ...Index Index 6 7SJ63 Instruction Manual C53000 G1140 C120 1 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...