ABB SACE Emax 2 Instructions Manual page 19

Continued from the previous page
Summary table Standard Protections
ABB ANSI
(1)
L
49
(60947-2)
L
(60255- 49
151)
S
50 TD
(t = k)
(13)
S
(t = k / I 51
)
2 (13)
S2
50 TD
(t = k)
(13)
I 50
G
50N TD
(t = k)
(12)(13)
G
(t = k / I ) 51N
2
(12)(13)
2I
50
MCR
-
IU
46
17 | © 2023 ABB | 1SDH001316R1002 - ECN000297030
Threshold
Threshold
tolerance
Activation for
I1 = 0.4...1 In
If in the range
step = 0.001 In
(1.05...1.2) x I1
Activation for
I1 = 0.4...1 In
If in the range
step = 0.001 In
(1.05...1.2) x I1
± 7 % with If ≤
I2 = 0.6...10 In 6 In
step = 0.1 In ± 10 % with If >
6 In
± 7 % with If ≤
I2 = 0.6...10 In 6 In
step = 0.1 In ± 10 % with If >
6 In
± 7 % with If ≤
I5 = 0.6...10 In 6 In
step = 0.1 In ± 10 % with If >
6 In
I3 = 1.5...15 In
± 10 %
step = 0.1 In
I4 = 0.1...1 In
(4)
± 7 %
step = 0.001 In
I4 = 0.1...1 In
(4)
± 7 %
step = 0.001 In
I31 = 1.5...15 In
± 10 %
step = 0.1 In
I3 = 1.5...15 In
± 10 %
step = 0.1 In
I6 = 2...90 %
± 10 %
step = 1 %
Calculation
Time formula t
(3)
(10)(11)
t1 = 3...144 s t
t
step = 1 s (9 t1) / (If / I1)
t1 = 3...144 s t
t
step = 1 s / ((If / I1)
t2 = 0.05...0.8 s
t
step = 0.01 s
t
t2 = 0.05...0.8 s t
t
step = 0.01 s (100 t2) / (If)
t5 = 0,05...0,8 s
t
step = 0.01 s
t
Not adjustable t
t
t4 =
Instantaneous...1
t
s, 0.1...1s
t
step = 0.05 s
t4 = 0.1...1 s t
t
step = 0.05 s 2 / (If / I4)
Not adjustable t
t
0,04...0,5 s (5)
t
step = 0.01 s
t
t6 = 0.5...60 s
t
step = 0.5 s
t
Calculation
(2)(9)
example t
t
t
t = 6.75 s with:
=
t
I1 = 0.4 In; t1 = 3
2
s; If = 0.8 In
= (t1 x k x b) See the table
a -1) below
= t2 -
t = 5 s con:
=
t
I2 = 1 In; t2 = 0.8
2
s; If = 4 In
= t5 -
≤ 30 ms -
= t4 -
t = 0.32 s with:
=
t
I4 = 0.8 In; t4 =
2
0.2 s; If = 2 In
≤ 30 ms -
≤ 30 ms -
= t6 -
ABB | SACE Emax 2 ABB | SACE Emax 2
Tolerance t
(3)
(2)
t
± 10 % with If ≤
6 In
± 20 % with If
> 6 In
± 10 % with If ≤
6 In
± 20 % with If
> 6 In
The better of
the two values:
± 10 % or ± 40
ms
± 15 % with If ≤
6 In
± 20 % with If
> 6 In
The better of
the two values:
± 10 % or ± 40
ms
-
The better of
the two values:
± 10 % or ± 40
ms
(8)
± 15 %
-
-
the better of the
two values:
± 10 % or ± 40
ms (for a time
set < 5 s) / ± 100
ms (for a time
set ≥ 5 s)
Continued on the next page
Protections