ABB SACE Emax 2 - Page 19

ABB | SACE Emax 2ABB | SACE Emax 2
Protections17 | © 2023 ABB | 1SDH001316R1002 - ECN000297030
Continued from the previous page
Summary table Standard Protections
ABB ANSI
(1)
Threshold
Threshold
tolerance
(3)
Time
Calculation
formula t
t
(2)(9)
(10)(11)
Calculation
example t
t
(2)
Tolerance t
t
(3)
L
(60947-2)
49
I1 = 0.4…1 In
step = 0.001 In
Activation for
If in the range
(1.05...1.2) x I1
t1 = 3…144 s
step = 1 s
t
t
=
(9 t1) / (If / I1)
2
t
t
= 6.75 s with:
I1 = 0.4 In; t1 = 3
s; If = 0.8 In
± 10 % with If ≤
6 In
± 20 % with If
> 6 In
L
(60255-
151)
49
I1 = 0.4…1 In
step = 0.001 In
Activation for
If in the range
(1.05...1.2) x I1
t1 = 3…144 s
step = 1 s
t
t
= (t1 x k x b)
/ ((If / I1)
a
-1)
See the table
below
± 10 % with If ≤
6 In
± 20 % with If
> 6 In
S
(t = k)
(13)
50 TD
I2 = 0.6...10 In
step = 0.1 In
± 7 % with If ≤
6 In
± 10 % with If >
6 In
t2 = 0.05…0.8 s
step = 0.01 s
t
t
= t2 -
The better of
the two values:
± 10 % or ± 40
ms
S
(t = k / I
2
)
(13)
51
I2 = 0.6...10 In
step = 0.1 In
± 7 % with If ≤
6 In
± 10 % with If >
6 In
t2 = 0.05…0.8 s
step = 0.01 s
t
t
=
(100 t2) / (If)
2
t
t
= 5 s con:
I2 = 1 In; t2 = 0.8
s; If = 4 In
± 15 % with If ≤
6 In
± 20 % with If
> 6 In
S2
(t = k)
(13)
50 TD
I5 = 0.6...10 In
step = 0.1 In
± 7 % with If ≤
6 In
± 10 % with If >
6 In
t5 = 0,05…0,8 s
step = 0.01 s
t
t
= t5 -
The better of
the two values:
± 10 % or ± 40
ms
I 50
I3 = 1.5...15 In
step = 0.1 In
± 10 % Not adjustable t
t
≤ 30 ms - -
G
(t = k)
(12)(13)
50N TD
I4
(4)
= 0.1...1 In
step = 0.001 In
± 7 %
t4 =
Instantaneous…1
s, 0.1...1s
step = 0.05 s
t
t
= t4 -
The better of
the two values:
± 10 % or ± 40
ms
(8)
G
(t = k / I
2
)
(12)(13)
51N
I4
(4)
= 0.1...1 In
step = 0.001 In
± 7 %
t4 = 0.1…1 s
step = 0.05 s
t
t
=
2 / (If / I4)
2
t
t
= 0.32 s with:
I4 = 0.8 In; t4 =
0.2 s; If = 2 In
± 15 %
2I 50
I31 = 1.5...15 In
step = 0.1 In
± 10 % Not adjustable t
t
≤ 30 ms - -
MCR -
I3 = 1.5...15 In
step = 0.1 In
± 10 %
0,04…0,5 s
(5)
step = 0.01 s
t
t
≤ 30 ms - -
IU 46
I6 = 2…90 %
step = 1 %
± 10 %
t6 = 0.5…60 s
step = 0.5 s
t
t
= t6 -
the better of the
two values:
± 10 % or ± 40
ms (for a time
set < 5 s) / ± 100
ms (for a time
set ≥ 5 s)
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