Summary Table Of Basic Protections - ABB SACE Emax 2 Series Instructions For Use Manual

Summary table of basic protections

ABB ANSI Threshold
(1)
L I1 = 0.4...1 In
49
(60947-2) step = 0.001 In
L I1 = 0.4...1 In
49
(60255-151) step = 0.001 In
(9)
S I2 = 0.6...10 In
50 TD
(t = k) step = 0.1 In
S I2 = 0.6...10 In
51
(t = k / I ) step = 0.1 In
2
I3 = 1.5...15 In
I 50
step = 0.1 In
G I4
50N TD
(t = k) step = 0.001 In
G I4
51N
(t = k / I ) step = 0.001 In
2
I31 = 1.5...15 In
2I 50
step = 0.1 In
I3 = 1.5...15 In
MCR -
step = 0.1 In
I6 = 2...90 %
IU 46
step = 1 %
Iinst - Defined by ABB
Current
50...100 % I1
thresholds (1 -
step = 1 %
and 2)
Current
0.1...10 In
thresholds -
step = 0.01 In
(Iw1 and Iw2)
13 | © 2018 ABB | 1SDH001316R0002 - ECN000086018 - Rev. C
Threshold
tolerance (3)
Activation for
If in the range
(1.05...1.2) x I1
Activation for
If in the range
(1.05...1.2) x I1
± 7 % with If ≤
6 In
± 10 % with If >
6 In
± 7 % with If ≤
6 In
± 10 % with If >
6 In
± 10 %
= 0.1...1 In
(4)
± 7 %
= 0.1...1 In
(4)
± 7 %
± 10 %
± 10 %
± 10 %
-
-
-
Calculation
Time
formula t
t1 = 3...144 s t =
t
step = 1 s (9 t1) / (If / I1)
t =
t1 = 3...144 s
t
(t1 x a x b) / ((If /
step = 1 s
I1) -1)
k
t2 = 0.05...0.8 s
t = t2
step = 0.01 s
t
t2 = 0.05...0.8 s t =
t
step = 0.01 s (100 t2) / (If)
≤ 30 ms
Not adjustable t
t
t4 =
Instantaneous...1
t = t4
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 ≤ 30 ms
t
40...500 ms
(5)
t ≤ 30 ms
step = 0.01 s
t
t6 = 0.5...60 s
t = t6
step = 0.5 s
t
Instantaneous -
- -
- -
Calculation
(2) example t (2)
t t
t = 6.75 s with:
t
I1 = 0.4 In; t1 = 3
2
s; If = 0.8 In
See the table
below
-
t = 5 s con:
t
I2 = 1 In; t2 = 0.8
2
s; If = 4 In
-
-
t = 0.32 s with:
t
I4 = 0.8 In; t4 =
2
0.2 s; If = 2 In
-
-
-
-
-
-
Continued on the next page
Ekip Touch protection trip unit | 6 - Touch protections
ABB | SACE Emax 2
Tolerance t
(3)
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
(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)
-
-
-